Hans-Hermann Johannes

Dr. rer. nat. Hans-Hermann Johannes

 

Akademischer Direktor

Gruppenleiter der Arbeitsgruppe
Applied Organic Materials

Raum 123, 1. OG
Schleinitzstraße 22
38106 Braunschweig

Labor für Elektrooptik Raum 04 Bienroder Weg 94 38106 Braunschweig Telefon: +49 531 391-2006/ -8002 Telefax: +49 531 391-2045 h2.johannes[at]ihf.tu-bs.de

 

Arbeits- und Forschungsgebiete
Lehrveranstaltungen


Veröffentlichungen und Vorträge



 

Arbeits- und Forschungsgebiete







Siehe Forschungsprofil der Arbeitsgruppe.


Lehrveranstaltungen







Organische Materialien C1 (Vorlesung, WS)




Einführung in die Chemie der Werkstoffe




Polytronik (Vorlesung, SS)


Veröffentlichungen und Vorträge





2013

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Veröffentlichungen:

Holger Spahr, Christine Nowak, Felix Hirschberg, Johannes Reinker, Dirk Hente, Wolfgang Kowalsky and
Hans-Hermann Johannes
"Enhancement of the maximum energy density in atomic layer deposited oxide based thin film capacitors"
Appl. Phys. Lett., 103 (4), 042907, 2013,http://dx.doi.org/10.1063/1.4816339

Holger Spahr, Tim Bülow, Christine Nowak, Felix Hirschberg, Johannes Reinker, Sami Hamwi,
Hans-Hermann Johannes, Wolfgang Kowalsky
"Impact of morphological defects on the electrical breakdown of ultra thin atomic
layer deposition processed Al2O3 layers"
Thin Solid Films 534 (2013) 172-176, http://dx.doi.org/10.1016/j.tsf.2013.02.076

Holger Spahr, Johannes Reinker, Tim Bülow, Diana Nanova, Hans-Hermann Johannes and Wolfgang Kowalsky
"Regimes of leakage current in ALD-processed Al2O3 thin-film layers"
J. Phys. D: Appl. Phys. 46 (2013) 155302, http://dx.doi.org/10.1088/0022-3727/46/15/155302

Matthias Böttger, Tobias Graumann, Redouan Boughaled, Frank Neumann, Wolfgang Kowalsky, Hans-Hermann Johannes
Development of a new qualification method for photocatalytically active surfaces based on a solid state luminescent dye, Journal of Photochemistry and Photobiology A: Chemistry, Volume 253, 1 February 2013, Pages 7-15, ISSN 1010-6030, 10.1016/j.jphotochem.2013.12.012.




2012

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Veröffentlichungen:

Sven Ammermann, Christian Hrib, Peter G. Jones, Wolf-Walther du Mont, Wolfgang Kowalsky, and Hans-Hermann Johannes
Pyrrolo[1,2-a]quinoxalines: Novel Synthesis via Annulation of 2-Alkylquinoxalines, Organic Letters, Vol 14, No 19, 2012, pp 5090-5093

Matthias Böttger and Björn Wiegmann and Steffen Schaumburg and Peter G. Jones and Wolfgang Kowalsky and Hans-Hermann Johannes
Synthesis of new pyrrole-pyridine-based ligands using an in situ Suzuki coupling method, Beilstein Journal of Organic Chemistry, Vol 8, pp. 1037-1047 2012

Wiegmann, Björn and Jones, Peter G. and Wagenblast, Gerhard and Lennartz, Christian and Münster, Ingo and Metz, Stefan and Kowalsky, Wolfgang and Johannes, Hans-Hermann
A New Framework of a Heteroleptic Iridium(III)-Carbene Complex as a Triplet Emitting Material, Organometallics, Vol 31, No 15, pp. 5223-5226, 2012

Caspary, R.; Schutz, S.; Mohl, S.; Cichosch, A.; Johannes, H.; Kowalsky, W.; , "Polymer optical fiber amplifiers," Transparent Optical Networks (ICTON), 2012 14th International Conference on , vol., no., pp.1-4, 2-5 July 2012

T. Winkler, H. Schmidt, H. Flügge, F. Nikolayzik, I. Baumann, S. Schmale, H.-H. Johannes, T. Rabe, S. Hamwi, T. Riedl and W. Kowalsky
Realization of ultrathin silver layers in highly conductive and transparent ZTO/Ag/ZTO multilayer electrodes deposited at room temperature for organic devices
Thin Solid Films 520, 4669 (2012).




2011

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T. Winkler, H. Schmidt, H. Flügge, F. Nikolayzik, I. Baumann, S. Schmale, T. Weimann, P.
Hinze, H.-H. Johannes, T. Rabe, S. Hamwi, T. Riedl, and W. Kowalsky, Org. Electron. 2011
12, 1612: Efficient large area semitransparent organic solar cells based on highly
transparent and conductive ZTO/Ag/ZTO multilayer top electrodes
.

 

H. Schmidt, T. Winkler, I. Baumann, S. Schmale, H. Flügge, H.-H. Johannes, S. Hamwi, T.
Rabe, T. Riedl, and W. Kowalsky, Appl. Phys. Lett. 2011, 99, 033304: Indium-free bottom
electrodes for inverted organic solar cells with simplified cell architectures
.

 

T. Winkler, H. Schmidt, H. Flügge, F. Nikolayzik, I. Baumann, S. Schmale, H.-H. Johannes,
T. Rabe, S. Hamwi, T. Riedl and W. Kowalsky, Thin Solid Films (in press):
Realization of ultrathin silver layers in highly conductive and transparent ZTO/Ag/ZTO
multilayer electrodes deposited at room temperature for organic devices
.




2010

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Jones, P.G., Freund, A., Debeaux, M., Kowalsky, W., Johannes, H.-H., Acta Crystallographica Section E: Structure Reports Online 2010, 66 (11), pp. m1408-m1409.
Mer-[3-Phenyl-5-(2-pyridylκ-N)-1,2,4-triazol-1-κido-N 1]bis-(2-quinolylphenyl-κ2 C 1,N) iridium(III) deuterochloro-form disolvate

 

Jones, P.G., Freund, A., Weinkauf, A., Kowalsky, W., Johannes, H.-H., Acta Crystallographica Section E: Structure Reports Online 2010, 66 (9), pp. m1088-m1089.
Mer-Bis[2-(1,3-benzothiazol-2-yl)phenyl-κ2C 1,N][3-phenyl-5-(2-pyridyl)-1,2,4-triazol-1-ido- κ2N1,N5]iridium(III) deuterochloro-form 3.5-solvate

 

P. G. Jones, M. Debeaux, A. Weinkauf, H. Hopf, W. Kowalsky, H.-H. Johannes, Acta
Cryst.
2010, E66, m66-67: mer-Bis[3,5-difluoro-2-(2-pyridyl)phenyl-k2C1,N]{5-(2-pyridyl-kN)-3-[3-(4-vinylbenzyloxy)phenyl]-1,2,4-triazol-1-ido}-iridium(III) methanol solvate.

 

Mike J. Zöllner, Jan S. Frähmcke, Marcus Elstner, Ullrich Jahn, Peter G. Jones, Eike
Becker, Wolfgang Kowalsky, Hans-Hermann Johannes, Macromol. Chem. Phys. 2010,
211, 359-371: A New Synthetic Approach to Thiophene-Nickel(II)porphyrin Hybrid
Molecules and Their Electrochemical and Computational Investigation
.

 

M. W. Thesen, B. Höfer, M. Debeaux, S. Janietz, A. Wedel, A. Köhler, H.-H.
Johannes, H. Krueger, J. Polym. Sci., Part A: Polym. Chem. 2010, 48, 3417-3430:
Hole-transporting host-polymer series consisting of triphenylamine basic structures
for phosphorescent polymer light-emitting diodes
.

 

M. J. Zöllner, E. Becker, U. Jahn, W. Kowalsky, H.-H. Johannes, Eur. J. Org. Chem.
2010, 23, 4426-4435: New Versatile Strategy towards Zinc(II)-, Copper(II)- and
Cobalt(II)-Metallated Thiophene/Porphyrin-Hybrids
.

 

T. Riedl, T. Winkler, H. Schmidt, J. Meyer, D. Schneidenbach, H.-H. Johannes, W.
Kowalsky, T. Weimann, and P. Hinze, IEEE International Reliability Physics
Symposium
, Anaheim (USA), 2010, pp. 327-333: Reliability aspects of organic light
emitting diodes

 

Peter G. Jones, Andreas Freund, Andreas Weinkauf, Wolfgang Kowalsky
and Hans-Hermann Johannes, Acta Cryst. 2010, E66, , m1088-m1089: mer-Bis[2-
(1,3-benzothiazol-2-yl)phenyl-κ2C1,N][3-phenyl-5-(2-pyridyl)-1,2,4-triazol-1-ido-
κ2N1,N5]iridium(III) deuterochloroform 3.5-solvate
.




2009

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M. J. Zöllner, U. Jahn, E. Becker, W. Kowalsky, H.-H. Johannes, Chem. Commun.
2009, 565-567: Simplified methods fort he functionalisation of 3-hexoxythiophenes at
the 5-position and further reactions to alkynyl and vinyl derivatives
.

 

A. Hefczyc, L. Beckmann, E. Becker, H.-H. Johannes and W. Kowalsky, in Christof Wöll: Organic Electronics: Structural and Electronic Properties of OFETs, 2009, Wiley-VCH, Kapitel 27, 595-612: Contact Effects in Cu(TCNQ) Memory Devices (pages 595-612).

 

J. Meyer, S. Hamwi, S. Schmale, T. Winkler, H.-H. Johannes, T. Riedl, and W.
Kowalsky, J. Mater. Chem. 2009, 19, 702: A strategy towards p-type doping of
organic materials with HOMO levels beyond 6 eV using tungsten oxide
.

 

J. Meyer, P. Görrn, F. Bertram, S. Hamwi, T. Winkler, H.-H. Johannes, T. Weimann,
P. Hinze, T. Riedl, and W. Kowalsky, Adv. Mater. 2009, 21, 1845: Al2O3/ZrO2
nanolaminates as ultra-high gas diffusion barriers - a strategy for reliable
encapsulation of organic electronics
.

 

J. Meyer, D. Schneidenbach, P. Görrn, F. Bertram, T. Winkler, S. Hamwi, H.-H.
Johannes, T. Riedl, W. Kowalsky, P. Hinze, and T. Weimann, SID Digest of Technical
Papers
2009, 40, 1706: Highly-Efficient Gas Diffusion Barriers Based on
Nanolaminates Prepared by Low-Temperature ALD
.

 

M. W. Thesen, H. Krüger, S. Janietz, A. Wedel, M. Debeaux, W. Kowalsky, H.-H.
Johannes, International Krutyn Summer School 2009, Krutyn (Polen), 02.-08. Juni

2009: "Screening of charge transport structures for solution processable
phosphorescent PLEDs in regard to their performance
".

 

H. Krüger, M. W. Thesen, S. Janietz, A. Wedel, M. Debeaux, H.-H. Johannes, Large-
area, Organic & Printed Electronics Convention (LOPE-C)
, Frankfurt, 23.-25. Juni
2009
: "Hole-Transporting Polymer Series Based on Triphenylamine Base Bodies for
Phosphorescent PLEDs
".

 

M. Debeaux, K. Brandhorst, P. G. Jones, H. Hopf, J. Grunenberg, W. Kowalsky, H.-H.
Johannes, Beilstein J. Org. Chem. 2009, 5, No. 31: "A stable enol from a 6-substituted
benzanthrone and its unexpected behaviour under acidic conditions
".

 

P. G. Jones, M. Debeaux, H. Hopf, W. Kowalsky, H.-H. Johannes, Acta Crsyt. E 2009,
65, o926: "8-(Biphenyl-2-yl)-7,9-diphenyl-8H-cyclopenta[a]acenaphthylen-8-ol".

 

J. Meyer, D. Schneidenbach, T. Winkler, S. Hamwi, T. Weimann, P. Hinze, S.
Ammermann, H.-H. Johannes, T. Riedl, and W. Kowalsky, Appl. Phys. Lett. 2009, 94,
233305: Reliable Thin Film Encapsulation for Organic Light Emitting Diodes grown
by Low-Temperature Atomic Layer Deposition
.

 

M. Debeaux, M. W. Thesen, D. Schneidenbach, H. Hopf, S. Janietz, H. Krüger, A.
Wedel, W. Kowalsky, H.-H. Johannes, Adv. Funct. Mater. 2009, 20, 399-408: "Charge
Transporting Polymers Based on Phenylbenzo[d]imidazole Moieties
".

 

D. Schneidenbach, S. Ammermann, M. Debeaux, A. Freund, M. Zöllner, P. G. Jones,
W. Kowalsky, H.-H. Johannes, J. Inorg. Chem. 2009, 49, 397-406: Efficient Red
Iridium(III) Complexes for Organic Light-Emitting Diodes based on Quinoxaline
Ligands
.

 

P. G. Jones, M. Debeaux, H. Hopf, W. Kowalsky, H.-H. Johannes, Acta Crsyt. E 2009,
65, o926: 8-(Biphenyl-2-yl)-7,9-diphenyl-8H-cyclopenta[a]acenaphthylen-8-ol.

 

M. Böttger, B. Wiegmann, M. J. Zöllner, W. Kowalsky, H.-H. Johannes, The 14th
International Conference on TiO2 Photocatalysis: Fundamentals and Applications
,
2009, Boston: Synthesis and Application of Luminescent Dyes for the Quantitative
Determination of Photocatalytic Activity of a TiO2 Surface
.




2008

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T. Riedl, H.-H. Johannes, and W. Kowalsky,
Jahrbuch Optik und Feinmechanik 2008, p.29-41: Transparente OLED Displays

 

M. Hoping, H. Gargouri, T. Riedl, M. Tilgner, H.-H. Johannes, and W. Kowalsky,
Appl. Phys. Lett. 2008, 92, 213306: Transition metal oxides as charge injecting layer
for admittance spectroscopy

 


A. Hefczyc, L. Beckmann, E. Becker, H.-H. Johannes, W. Kowalsky,
physica status solidi (a) 2008, 647-655: Contact effects in Cu(TCNQ) memory devices.

 

Sven Ammermann, Constantin Daniluc; Peter G. Jones, Wolf-Walter du Mont,
Wolfgang Kowalsky, Hans-Hermann Johannes, Dalton Trans. 2008, 4095-4098: A
unique six-membered chelated iridium complex
.

 

M. Blumentritt, K. Melhorn, J. Flachsbarth, M. Kröner, W. Kowalsky, H.-H. Johannes,
Sensors and Actuators 2008, B131, 504-508: A novel fabrication method of fibre-
optical planar transmission sensors for monitoring pH in concrete structures
.

 

M. Hoping, C. Schildknecht, H. Gargouri, T. Riedl, M. Tilgner, H.-H. Johannes, and
W. Kowalsky, SPIE-Int. Soc. Opt. Eng. 2008, 7051, 70511D: Charge injecting layers
for admittance spectroscopy (invited)
.

 

U. J. Weinaug, S. Ammermann, M. Hoping, M. Tamm, W. Kowalsky, H-H. Johannes,
Intern. Conf. Of Organic Electronics (ICOE) 2008, Eindhoven: Color Tuning by
Changing the Substituent of Highly Luminescent Iridium(III) Complexes
.

 

U. J. Weinaug, S. Ammermann, H. Gargouri, M. Hoping, P. Erk, K. Kahle, Ch.
Lennartz, O. Molt, I. Münster, M. Tamm, W. Kowalsky, H-H. Johannes, SPIE-Int.
Soc. Opt. Eng.
2008, 7051, 705108: Color Tuning by Changing the Substituent of
Highly Luminescent Iridium(III) Complexes
.

 

S. Mozer, D. Schneidenbach, H. Blei, M. Lehnhardt, T. Riedl, M. Hoping, H-H.
Johannes, and W. Kowalsky, SPIE-Int. Soc. Opt. Eng. 2008, 7051, 70510A:
Characterization and optimization of the deposition process of aluminum top
electrodes for organic devices.

 

S. Ammermann, C. Daniliuc, P. G. Jones, W.-W. du Mont, H.-H. Johannes, Acta
Cryst.
2008, E64, o1205-o1206: rac-(2R,3S)-2-Phenyl-3-(3-phenyl-1,2,3,4-
tetrahydroquinoxalin-2-yl)quinoxaline
.

 

M. Debeaux, S. Ammermann, H. Hopf, S. Janietz, W. Kowalsky, H. Krüger, M.
Thesen, A. Wedel, U. J. Weinaug, H.-H. Johannes, 7th
International Conference on
Electroluminescence of Molecular Materials and Related Phenomena (ICEL-7)
,
Dresden, 03.-06. September 2008: "Novel Styrene Functionalized Materials for
Phosphorescent Polymers
".

 

S. Mozer, M. Lehnhardt, M. Hoping, T. Riedl, H.-H. Johannes, and W. Kowalsky,
14th International Workshop on Inorganic and Organic Electroluminescence (EL
2008), Rome (Italy)
2008, p. 467: Flash Evaporation of Aluminum Electrodes for
Organic Devices

 

J. Meyer, S. Schmale, S. Hamwi, T. Winkler, H.-H. Johannes, T. Riedl, and W.
Kowalsky, 14th International Workshop on Inorganic and Organic
Electroluminescence (EL 2008), Rome (Italy)
2008, p. 49: Electrochemical p-Type
Doping of Organic Hole Transport Materials with Deep Lying HOMO Levels
.

 

M. W. Thesen, H. Krueger, S. Janietz, A. Wedel, M. Debeaux, H.-H. Johannes:
Solution-processible multilayer phosphorescent PLEDs based on crosslinkable
copolymer structures
, POLYDAYS 2008, Berlin, 01.-02. Oktober 2008

 

M. Debeaux, S. Ammermann, H. Hopf, W. Kowalsky, H. Krüger, M. Thesen, A.
Wedel, U. J. Weinaug, H.-H. Johannes, 14th International Workshop on Inorganic and
Organic Electroluminescence (EL 2008), Rome (Italy)
2008, 1-23-Po: "Novel Styrene
Based Monomers for Application in PLEDs
".

 

J. Meyer, T. Winkler, S. Hamwi, S. Schmale, H.-H. Johannes, T. Riedl, and W.
Kowalsky, Adv. Mater. 2008, 20, 2839: Transparent Inverted OLEDs with Tungsten
Oxide Buffer Layer

 

J. Meyer, P. Görrn, S. Hamwi, H.-H. Johannes, T. Riedl, and W. Kowalsky, Appl.
Phys. Lett.
2008, 93, 073308: Indium-free transparent Organic Light Emitting Diodes
with Al doped ZnO electrodes grown by atomic layer and pulsed laser deposition
.




2007

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Michael Kröger, Sami Hamwi, Jens Meyer, Thomas Dobbertin, Thomas Riedl,
Wolfgang Kowalsky, and Hans-Hermann Johannes, Phys. Rev. B 2007, 75, 235321:
Temperature-independent field-induced charge separation at doped organic/organic
interfaces: Experimental modeling of electrical properties

 

J. Meyer, T. Winkler, S. Hamwi, S. Schmale, M. Kröger, P. Görrn, H.-H. Johannes, T.
Riedl, E. Lang, D. Becker, T. Dobbertin, and W. Kowalsky,
SPIE-Int. Soc. Opt. Eng. 2007, 6655, 66550L: Highly efficient fully transparent
inverted OLEDs

 

A. Janssen, T. Riedl, S. Hamwi, H.-H. Johannes, and W. Kowalsky,
Appl. Phys. Lett. 2007, 91, 073519: Highly efficient organic tandem solar cells using
an improved connecting architecture

 

J. Meyer, S. Hamwi, T. Bülow, H.-H. Johannes, T. Riedl, and W. Kowalsky:
Appl. Phys. Lett. 2007, 91, 113506 (2007): Highly Efficient Simplified Organic Light-
Emitting Diodes

 

D. Schneidenbach, S. Ammermann, H. Blei, S. Mozer, W. Kowalsky, H.-H. Johannes, 4. Jungchemikertag, Braunschweig, 16.10.2007: Zehn hoch minus acht - Das Weiß von morgen.

 

M. Debeaux, S. Ammermann, U. J. Weinaug, W. Kowalsky, H. Hopf, H.-H. Johannes, 4. Jungchemikertag, Braunschweig, Poster, 16.10.2007: Substituted Triazolate Saturating Ligands for Triplet Emitters.

 

M. Debeaux, S. Ammermann, U. J. Weinaug, W. Kowalsky, H. Hopf, H.-H. Johannes, 4. Jungchemikertag, Braunschweig, 16.10.2007: Polymerisierbare Triplettemitter für Organische Leuchtdioden.

 

W. Kowalsky, P. Görrn, J. Meyer, M. Kröger, H.-H. Johannes, and T. Riedl,
SPIE-Int. Soc. Opt. Eng. 2007, 6486, 64860F: See-through OLED displays (invited)

 

W. Kowalsky, P. Görrn, J. Meyer, M. Kröger, H.-H. Johannes, and T. Riedl, SPIE-Int. Soc. Opt. Eng. 6486, 2007, 64860F: See-through OLED displays (invited)

 

T. Rabe, S. Hamwi, J. Meyer, P. Görrn, T. Riedl, H.-H. Johannes, and W. Kowalsky, Appl. Phys. Lett. 2007, 90, 151103: Suitability of Lithium doped electron injection layers for organic semiconductor lasers.




2006

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M. Kroeger, M. Hüske, J. Meyer, T. Riedl, H.-H. Johannes, and W. Kowalsky, Proceedings Electroluminescence Conference 2006, Jeju (Korea), TU1-3:
High-Resolution Laser-Based Patterning of Oragnic Materials for Full-Color OLED Displays

 

S. Hartmann, A. Janssen, H.-H. Johannes, R. Caspary, W. Kowalsky, H. Schwab, D. Bertram, H. Blei, N. Meyer, B. Marheineke, M. Heuken, SID Conf. 2006, San Francisco, USA, 4.-9. Juli 2006, SID Symp. Digest 37, 1563-1566: Stable deposition of organic materials for Ir-based red OLEDs using organic vapor phase deposition.

 

T. Rabe, K. Gerlach, T. Riedl, H.-H. Johannes, W. Kowalsky, J. Niederhofer, W. Gries, J. Wang, T. Weimann, P. Hinze, F. Galbrecht and Ullrich Scherf, Appl. Phys. Lett. 2006, 89, 081115-1-1 - 081115-3:
Quasi-continuous-wave operation of an organic thin-film distributed feedback laser.

 

Blumentritt, M., Brodersen, O., Flachsbarth, J., Johannes, H.-H., Kröner, M., Melhorn, K., Sokoll, T., Jacob, A. F., Kowalsky, W.: 3rd European Workshop on Structural Health Monitoring 2006, Stanford: Novel Sensor Systems for Structural Health Monitoring. accepted, (2006)

 

Blumentritt, M., Flachsbarth, J., Kröner, M., Melhorn, K., Kowalsky, W., Johannes, H.-H., Brodersen, O.: Tagung Bauchemie, 5. - 6. Oktober 2006, Karlsruhe: Optische chemoselektive Sensoren für die Bauwerksüberwachung. Accepted

 

Blumentritt, M., Flachsbarth, J., Kröner, M., Melhorn, K., Kowalsky, W., Johannes H.‑H., Brodersen, O.: Workshop Innovative Feuchtemessung in Forschung und Praxis, 17. - 18. Oktober 2006, Karlsruhe: Feuchtebestimmung in Bauwerken mit optischen Sensoren.

 

Peter G. Jones, Sven Ammermann, Constantin Daniliuc,Wolf-Walther du Mont, Wolfgang Kowalsky and Hans-Hermann Johannes, Acta Cryst. 2006, E62, m2202-m2204: mer-Bis[2-(6-fluoro-3-methylquinoxalin-2-yl-kN1)phenyl][3-phenyl-5-(2-pyridyl-kN)-1,2,4-triazol-1-yl]iridium(III) dichloromethane disolvate.

 

 

S. Ammermann, W. Kowalsky, W.-W. du Mont, H.-H. Johannes, 3. Jungchemikertag, Braunschweig, Poster, 07.11.2006: New Triplet-Emitters for OLEDs.

 

S. Ammermann, W. Kowalsky, W.-W. du Mont, H.-H. Johannes, 3. Jungchemikertag, Braunschweig, 07.11.2006: Entwicklung und Synthese neuer Triplett-Emitter - Entstehung einer weißen OLED.

 

S. Ammermann, M. Debeaux, U. J. Weinaug, W. Kowalsky, H.-H. Johannes, SID Mid Europe Chapter Fall Meeting 2006, Potsdam, 09.10.-10.10.2006: Color tuning of triplet emitters for OLED applications.

Patrick Görrn, Michelle Sander, Jens Meyer, Michael Kröger, Eike Becker, Hans-Hermann Johannes, Wolfgang Kowalsky, and Thomas Riedl, Adv. Mater. 2006, 18, 738-741: Towards See-Through Displays: Fully Transparent Thin-Film Transistors Driving Transparent Organic Light Emitting Diodes.

 

P. Görrn, M. Sander, J. Meyer, M. Kröger, E. Becker, H.-H. Johannes, W. Kowalsky, and T. Riedl, RIX-03, E-MRS 2006, Nice: Fully Transparent Smart Pixels.

 

T. Riedl, J. Meyer, P. Görrn, T. Rabe, H.-H. Johannes, and W. Kowalsky, RI-03, E-MRS 2006, Nice: Al doped ZnO as transparent top-contact for inverted organic light emitting diodes.

 

T. Riedl, P. Görrn, J. Meyer, S. Hamwi, H.-H. Johannes, and W. Kowalsky, 3rd Intl. Conference on Intelligent Automotive Lighting, 2006, Frankfurt: First Entirely Transparent OLED Displays (invited)

 

T. Riedl, T. Rabe, H.-H. Johannes, W. Kowalsky, J. Wang, T. Weimann, P. Hinze, B. S. Nehls, T. Farrell, and Ullrich Scherf, Appl. Phys. Lett. 2006, 88, 241116-1 - 241116-3: Tunable organic thin-film laser pumped by an inorganic violet diode laser.




2005

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R. Parashkov, E. Becker, T. Riedl, H.-H. Johannes, and W. Kowalsky, Proc. Of the IEEE 2005, 93, 1321: Large Area Electronics Using Printing Methods.

 

M. Kröger, M. Hüske, T. Dobbertin, J. Meyer, H. Krautwald, T. Riedl, H. H. Johannes, and W. Kowalsky, Proc. SPIE-Int. Soc. Opt. Eng. 2005 vol. 5940, p. 177: A laser induced local transfer for patterning of RGB-OLED-displays.

 

T. Spehr, A. Siebert, T. Fuhrmann-Lieker, J. Salbeck, T. Riedl, T. Rabe, H.-H. Johannes, W. Kowalsky, J. Wang, T. Weimann, P. Hinze, Appl. Phys. Lett. 2005, 87, 161103-1 - 161103-3: Organic solid-state ultraviolet-lasers based on spiro-terphenyl.

 

C. Schildknecht, G. Ginev, A. Kammoun, T. Riedl, W. Kowalsky, H.-H. Johannes, C. Lennartz, K. Kahle, M. egen, T. Geßner, M. Bold, S. Nord, and P. Erk, Proc. SPIE-Int. Soc. Opt. Eng., 2005, vol. 5937, p. 59370E: Novel deep-blue emitting phosphorescent emitter

 

T. Riedl, T. Rabe, D. Schneider, H. H. Johannes, W. Kowalsky, T. Spehr, A. Siebert, T. Fuhrmann-Lieker, J. Salbeck, J. Wang, T. Weimann, and P. Hinze, Frontiers in Optics, 89th OSA Annual Meeting 2005, SSuA3, Tucson:
Organic Semiconductor Lasers for the UV

 

W. Kowalsky, T. Rabe, D. Schneider, H. H. Johannes, C. Karnutsch, M. Gerken, U. Lemmer, J. Wang, T. Weimann, P. Hinze, and T. Riedl, SPIE-Int. Soc. Opt. Eng. 2005, vol. 6008, p. 194: Organic Semiconductor Distributed Feedback Lasers (invited).

 

Peter Erk, Markus Bold, Martina Egen, Evelyn Fuchs, Thomas Geßner, Klaus Kahle, Christian Lennartz, Oliver Molt, Simon Nord, Christian Schildknecht, Hans-Hermann Johannes, Wolfgang Kowalsky, SID 2005: Efficient Deep Blue Triplet Emitters for OLEDs.

 

D. Schneider, T. Rabe, T. Riedl, T. Dobbertin, M. Kröger, E. Becker, H.-H. Johannes, W. Kowalsky, T. Weimann, J. Wang, P. Hinze, A. Gerhard, P. Stössel, H. Vestweber, Adv. Mater. 2005, 17, 31-34: Ultraviolet organic thin-film solid-state laser for bio-marker applications.

 

C. Himcinschi, N. Meyer, S. Hartmann, M. Gersdorff, M. Friedrich, H.-H. Johannes, W. Kowalsky, M. Schwambera, G. Strauch, M. Heuken, D.R.T. Zahn, Appl. Phys. A, 2005, 80, 551-555: Spectroscopic ellipsometric characterization of organic films obtained via organic vapor phase deposition.

 

R. Parashkov, E. Becker, T. Riedl, H.-H. Johannes, and W. Kowalsky, Adv. Mater. 2005, 17, 1453-1459: Microcontact Printing as a Versatile Tool for Patterning Organic Field-Effect Transistors.

 

Torsten Rabe, Matthias Hoping, Daniel Schneider, Eike Becker, Hans-Hermann Johannes, Wolfgang Kowalsky, Thomas Weimann, Jing Wang, Peter Hinze, Benjamin S. Nehls, Ullrich Scherf,Tony Farrell, and Thomas Riedl, Adv. Funct. Mater. 2005, 15, 1188-1192: Threshold reduction in polymer lasers based on poly(9,9-dioctylfluorene) with statistical binaphthyl units.




2004

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R. Parashkov, E. Becker, G. Ginev, T. Riedl, H.-H. Johannes, W. Kowalsky, Jap. J. Appl. Phys., 2004, 43, No 2A, 130-132: Flexible All-Organic Field-Effect Transistors fabricated by Electronic-Peeling Transfer.

 

R. Parashkov, E. Becker, G. Ginev, T. Riedl, H.-H. Johannes, W. Kowalsky, J. Appl. Phys., 2004, 95, 1594-1596: All-organic thin-film transistors made of poly(3-butylthiophene) semiconducting and various polymeric insulation layers.

 

H.-H. Johannes, E. Becker, R. Parashkov, W. Kowalsky, Bunsenkolloquium Golm, März 2004: Elektrochemische Polymerisation zur Strukturierung von leitfähigen Polymeren.

 

G. Ginev, T. Riedl, R. Parashkov, H.-H. Johannes und W. Kowalsky, Appl. Surf. Sci. 2004, 234, 22-27: Organic-GaAs heterostructure diodes for microwave applications.

 

T. Dobbertin, M. Kröger, D. Schneider, E. Becker, H.-H. Johannes und W. Kowalsky, Proc. SPIE Europe 5464, 2004, Strasbourg, France, 145-156: Inverted topside-emitting organic-light emitting diodes for active-matrix displays.

 

Pavel Makedonski, Marc Brandes, Walter Grahn, Wolfgang Kowalsky, Jürgen Wichern, Stefan Wiese, Hans-Hermann Johannes, Dyes and Pigments, 2004, 61, 109-119: Synthesis of new kinds of reactive azo dyes and their application for fibre-optical pH-measurements.

 

S. Hartmann, A. Janssen, H. Krautwald, H.-H. Johannes, W. Kowalsky, Displays and Vakuum Electronics 183 ITG Fachtagungsbericht, 2004, 235-237: OVDP - an Alternative Process for OLED Production.

 

S. Hartmann, A. Janssen, M. Gersdorff, N. Meyer, M. Reinhold, M. Schwambera, G. Strauch, B. Marheineke, M. Heuken, H.-H. Johannes, W. Kowalsky, C. Himcinschi, D. Zahn, SID International Symposium, 2004,Seattle, WA, U.S.A. May 23-28, 2004: First Hybrid OLED by Organic Vapor Phase Deposition and its Advantages in Deposition Rate Control for OLED Manufacturing.

 

Daniel Schneider, Torsten Rabe, Thomas Riedl, Thomas Dobbertin, Michael Kröger, Eike Becker, Hans-Hermann Johannes, Wolfgang Kowalsky, T. Weimann, J. Wang, P. Hinze, Appl Phys. Lett., 2004, 85, 1659-1661: Laser threshold reduction by using Spiro-DPVBi a dopant in an all spiro guest-host system.

 

D. Schneider, T. Rabe, T. Riedl, T. Dobbertin, M. Kröger, E. Becker, H.-H. Johannes, W. Kowalsky, T. Weimann, J. Wang, P. Hinze, Appl. Phys. Lett. 2004, 85, 1886-: Ultra wide tuning range in DCM2-doped organic solid state lasers.

 

D. Schneider, T. Rabe, T. Riedl, T. Dobbertin, O. Werner, M. Kröger, E. Becker, H.-H. Johannes, W. Kowalsky, T. Weimann, J. Wang, P. Hinze, A. Gerhard, P. Stössel, H. Vestweber, Appl Phys. Lett., 2004, 84, 4693-4695: Deep Blue widely-tunable organic solid-state laser based on a spirobifluorene derivative.

 

T. Riedl, D. Schneider, T. Rabe, T. Dobbertin, M. Kröger, H.-H. Johannes, W. Kowalsky, T. Weimann, J. Wang, and P. Hinze, Proceedings Electroluminescence Conference, 2004, Toronto, p. 17: Low threshold DFB lasers based on Spiro-DPVBi as dopand in an all-spiro guest-host system.

 

R. Parashkov, E. Becker, G. Ginev, T. Riedl, H.-H. Johannes, W. Kowalsky, Appl. Phys. Lett., 2004, 85, 5751-5753: Organic vertical-channel transistors structured using excimer laser.

 

J. Flachsbarth, M. Brandes, W. Kowalsky, H.-H. Johannes, 2nd European Workshop on Structural Health Monitoring, München, 7.7. - 9.7.2004: A new Humidity Sensor based on Reichardt's Dye prepared with Excimer-Laser.




2003

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T. Dobbertin,O. Werner, J. Meyer, A. Kammoun, D. Schneider, T. Riedl, E. Becker, H.-H. Johannes, W. Kowalsky, Appl. Phys. Lett., 2003, 83, 5071-5073: Inverted hybrid organic light-emitting device with polyethylene dioxythiophene-polystyrene sulfonate as an buffer layer.

 

E. Becker, R. Paraschkov, G. Ginev, D. Schneider, S. Hartmann, F. Brunetti, T. Dobbertin, D. Metzdorf,T. Riedl, H.-H. Johannes, W. Kowalsky, Appl. Phys. Lett. 2003, 83, 4044-4046: All-organic thin-film transistors patterned by means of selective electropolymerization.

 

D. Schneider, S. Hartmann, T. Dobbertin, T. Benstem, D. Metzdorf, E. Becker, A. Kammoun, C. Schildknecht, H. Krautwald, H.-H. Johannes, T. Riedl, W. Kowalsky, SPIE Annual Meeting, San Diego (USA) (2003): Laser threshold analysis of first and second order organic solid-state distributed feedback laser.

 

T. Dobbertin, D. Schneider, D. Metzdorf, E. Becker, T. Riedl, A. Kammoun, C. Schildknecht, H.-H. Johannes, W. Kowalsky, SPIE Annual Meeting, San Diego (USA) (2003): Inverted topside-emitting organic light-emitting diodes.

 

M. Brandes, M. Beckmann, M. Kroener, P. Makedonski, S. Wiese, H.-H. Johannes, W.Kowalsky, 4th Int. Workshop on Sructural Health Monitoring, Stanford CA 2003, 1035-1042: New Designs of Fiber-Optical Sensors in Structural Health Monitoring.

 

M. Brandes, H.-H. Johannes, P. Makedonski, W. Kowalsky, Kolloquium mit Workshop Innovative Feuchtemessung in Forschung und Praxis, Karlsruhe, 2003: Neuartige Faseroptische Sensoren für die Überwachung von Korrosionsprozessen in Bauwerken.

 

G. Ginev, T. Riedl, R. Parashkov, H.-H. Johannes and W. Kowalsky, Journal of Physics - Condensed Matter 2003, 15, 2611-2618: Enhanced Mixing Characteristics of GaAs/PTCDA Schottky Diodes.

 

T. Dobbertin, E. Becker, T. Benstem, G. Ginev, D. Heithecker,H.-H. Johannes, D. Metzdorf, H. Neuner, R. Parashkov, W. Kowalsky, Thin Solid Films, 2003, 442, 132-139: OLED matrix displays: in-line process technology and fundamentals.

 

D. Schneider, S. Hartmann, T. Benstem, T. Dobbertin, D. Heithecker, D. Metzdorf, E. Becker, T. Riedl, H.-H. Johannes, W. Kowalsky, T. Weimann, J. Wang, P. Hinze, Appl. Phys. B, 2003, 77, 399: Wavelength-tunable organic solid-state distributed feedback laser.

 

P. Makedonski, M. Brandes, M. Beckmann, M. Kröner, S. Wiese, W. Kowalsky und H.-H. Johannes, GESA-Symposium VDI Berichte Nr. 1757, Braunschweig 2003, 167-174: Neue Konzepte für faseroptische Chloridsensoren in der Bauwerksüberwachung.

 

G. Ginev, T. Riedl, R. Parashkov, H.-H. Johannes and W. Kowalsky, Frühjahrstagung der Deutchen Physikalischen Gesellschaft 2003, 5, 206: Investigation of the GaAs-PTCDA diodes in the low and high frequency ranges (Poster).

 

T. Dobbertin, D. Schneider, A. Kammoun, D. Metzdorf, T. Riedl, Ch. Schildknecht, E. Becker, H.-H. Johannes and W. Kowalsky, Electronic Display 2003, Wiesbaden, Germany: Inverted organic light-emitting diodes for ative-matrix OLED-Displays.

 

R. Parashkov, E. Becker, G. Ginev, D. Schneider, D. Metzdorf, T. Dobbertin, H.-H. Johannes, W. Kowalsky, Mat.Res.Soc.Symp.Proc 2003, Vol. 769, H3.2.1-H3.2.4: All-organic field effect transistors.

 

R. Parashkov, E. Becker, S. Hartmann, G. Ginev, D. Schneider, H. Krautwald, T. Dobbertin, D. Metzdorf, F. Brunetti, C. Schildknecht, A. Kammoun, M. Brandes, T. Riedl, H.-H. Johannes, and W. Kowalsky, Appl. Phys. Lett. 2003, 82, 4579-4581: Vertical channel all-organic thin-film transistors.

 

Dirk Metzdorf , Eike Becker, Thomas Dobbertin, Soeren Hartmann, Dirk Heithecker, Hans‑Hermann Johannes, Anis Kammoun, Henning Krautwald, Thomas Riedl, Christian Schildknecht, Daniel Schneider, and Wolfgang Kowalsky, Material Research Science 2003 Proc. Vol. 769 H4.2.1, San Francisco: OLED-Matrix Displays.

 

D. Heithecker, A. Kammoun, T. Dobbertin, T. Riedl, E. Becker, D. Metzdorf, D. Schneider, H.-H. Johannes, und W. Kowalsky, Appl. Phys. Lett. 2003, 82, 4187-4189: Low-voltage organic electroluminescence device with an ultrathin, hybrid structure.

 

E. Becker, T. Riedl, T. Dobbertin, D. Schneider, , D. Heithecker, D. Metzdorf, H.-H. Johannes, und W. Kowalsky, Appl. Phys. Lett. 2003, 82, 2712-2714: Spatially selective flash sublimation of small organic molecules for organic light-emitting diodes and display applications.

 

T. Dobbertin, M. Kröger, D. Heithecker, D. Schneider, D. Metzdorf, H. Neuner, E. Becker, H.-H. Johannes, und W. Kowalsky, Appl. Phys. Lett. 2003, 82, 284-286: Inverted top-emitting organic light-emtting diodes using sputter-deposited anodes.




2002

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R. Parashkov, E. Becker, H.-H. Johannes, D. Schneider, G. Ginev, D. Metzdorf, T. Dobbertin, W. Kowalsky, International PolyScene-Workshop on Polymer Electronics, München 04.-05.11. 2002, Proc. 103-105: Non-lithographic patterning of polymer transistors (Poster)


 

E. Becker, T. Dobbertin, S. Hartmann, H.-H. Johannes, H. Krautwald, D. Metzdorf, R. Parashkov, D. Schneider, T. Riedl, W. Kowalsky, International PolyScene-Workshop on Polymer Electronics, München 04.-05.11. 2002, Proc. 67-70: OFETs, OLEDs, OLDs: Organic Devices for Future Polytronic Systems (Poster)

 

Thomas Dülcks, Walter Grahn, Hans-Hermann Johannes, Ulf Lawrentz, Miriam Rittner, Hans-Martin Schiebel, Peter Schulz, Z. Naturforsch. 2002, 57b, 393-398: Mass Spectrometry of Oligomeric Cyanines and Squaraines of the Indole Series: Fast Atom Bombardment-Induced Chemical Reaktions.

 

Thomas Dobbertin, Eike Becker, Torsten Benstem, Hans-Hermann Johannes, Dirk Metzdorf, Helge Neuner and Wolfgang Kowalsky, Precision, August 2002, 6-9, Electroluminescent Displays: From Fundamental Research To Final Product.

 

T. Dobbertin, E. Becker, T. Benstem, G. Ginev, D. Heithecker, H.-H.-Johannes, D. Metzdorf, H. Neuner, R. Parashkov und W. Kowalsky, Proc. 4th Int. Conf. On Coatings on Glas (ICCG) 2002, Braunschweig, 459-470: OLED matrix displays: in-line process technology and fundamentals (keynote lecture).

 

M. Brandes, H.-H. Johannes, W, Kowalsky, P. Makedonski, J. Wichern, S. Wiese, W.Grahn, Structural Health Monitoring, Paris 10.-12.07. 2002, 599-606: Fibreoptical In-Situ Evaluation of Corrosion Processes in Reinforced Concrete.

 

M. Brandes, P. Makedonski, H.-H. Johannes, S. Wiese, W. Kowalsky and W. Grahn, Sensoren und Mess-Systeme, Ludwigsburg 11.-12.03.2002, 115-118: Fiberoptical sensors in concrete.

 

E. Becker, T. Dobbertin, T. Benstem, D. Heithecker, H.-H. Johannes, D. Metzdorf, H. Neuner, R. Parashkov, and W. Kowalsky: International Newsletter on Microsystems an MEMS (mstnews), VDI/VDE Technologiezentrum Informationstechnik GmbH, 1/2002, 41-42: High-Resolution Patterning of Organic Thin Films for Device Applications.

 

T. Dobbertin, E. Becker, T. Benstem, H. H. Johannes, D. Metzdorf, H. Neuner, und W.Kowalsky: Fachverband Bauelemente der Elektronik im Zentralverband Elektrotechnik- und Elektronikindustrie (ZVEI), Mikroelektronik - Trendanalyse bis 2005, Wirtschaftliche und technische Aspekte, im Druck, Organische Displays - Technik und Markt.

 

T. Dobbertin, E. Becker, T. Benstem, H.-H. Johannes, D. Metzdorf, H. Neuner, W. Kowalsky, Carolo-Wilhelmina Schwerpunktheft Materialwissenschaften, Forschungsmagazin der Technischen Universität Braunschweig 2002, 1, 70-76: OLED-Displays: Von der Grundlagenforschung zum Produkt.




2001

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E. Becker, H.-H. Johannes, T. Benstem, T. Dobbertin, D. Heithecker, D. Metzdorf, H. Neuner, W. Kowalsky, Polytronics 2001, First International IEEE Conference on Polymers and Adhesives in Microelectronics and Photonics, Potsdam, 21.-24.10. 2001, 95-97: A New Structuring Technique for Polymer Integrated Circuits.

 

W. Kowalsky, E. Becker, T. Benstem, T. Dobbertin, H.-H. Johannes, D. Metzdorf, H. Neuner, Polytronics 2001, Proc. of First International IEEE Conference on Polymers and Adhesives in Microelectronics and Photonics, Potsdam, 21.-24.10. 2001, 20-28: OLED Matrix Displays: Technology and Fundamentals (Keynote Speaker).

 

H.-H. Johannes, E. Becker, T. Benstem, D. Metzdorf, H. Neuner, J. Schöbel und W. Kowalsky: Svarowski-Workshop 19.07.2001, Wattens bei Insbruck: Organische Elektrolumineszenz.

 

T. Dobbertin, E. Becker, T. Benstem, H.-H. Johannes, D. Metzdorf, H. Neuner, W. Kowalsky, 6. Euroforum-Jahrestagung: Display 2001,26.-27.06. 2001, Stuttgart, Organische Elektrolumineszenz-Displays: Von der Grundlagenforschung zum Endprodukt.

 

J. Schöbel, E. Becker, T. Benstem, H.-H. Johannes, D. Metzdorf, H. Neuner, and W. Kowalsky, Proc. of Display and Vacuum Electronics (ITG-Fachbericht 165), Garmisch-Partenkirchen, 2.-3.05.2001, 37-42: OLED matrix displays: fabrication and characterization.

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2000

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A. Feldner, D. Scherer, M. Welscher, Th. Vogtmann, M. Schwörer, U. Lawrentz, Th. Laue, H.-H. Johannes, W. Grahn, Nonlinear Optics 2000, 26, 99-106: Nonlinear Optical Properties of Specific Polymethines: Influence of Substituents and Chain Length.

 

W. Kowalsky, E. Becker, T. Benstem, H.-H. Johannes, D. Metzdorf, H. Neuner, und J. Schöbel: SPIE Int. Symp. on Optical Science and Technologie (Proc. of SPIE Vol. 4105, Organic Light-Emitting Materials and Devices IV), San Diego, USA, 2000, 194-202: Characterization and Optimization of OLED Materials and Layer Sequences.

 

W. Kowalsky, E. Becker, T. Benstem, H.-H. Johannes, D. Metzdorf, H. Neuner, und J. Schöbel, Advances in Solid State Physic. 2000, 40, 795-808: Organic semiconductors: fundamentals and applications.

 

E. Becker, T. Benstem, H.-H. Johannes, D. Metzdorf, H. Neuner, J. Schöbel und W. Kowalsky: FKT Fachzeitschrift der Fernseh und Kinotechnischen Gesellschaft 2000, 54. Jahrgang, 8-9, 532-537: Organische Elektrolumineszenz: Neue Technologie für flache Bildschirme.

 

M. Stößel, J. Staudigel, F. Steuber, J. Blässing, J. Simmerer, A. Winnacker, H. Neuner, D. Metzdorf, H.-H. Johannes and W. Kowalsky, Synth. Met. 2000, 111-112 (0), 19-24: Electron injection and transport in 8-hydroxyquinoline aluminium.

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1999

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W. Kowalsky, T. Benstem, A. Böhler, H.-H. Johannes, D. Metzdorf, H. Neuner and J. Schöbel: 9th Int. Conf. on Unconventional Photoactive Systems (UPS´99), Würzburg, 1999, 103-104: Electroluminescence from Organic Thin Film Multilayers.

 

W. Kowalsky, T. Benstem, A. Böhler, S. Dirr, H.-H. Johannes, D. Metzdorf, H. Neuner, J. Schöbel, Advances in Solid State Physic. 1999, 39, 91-100: Organic Electroluminescent Devices.

 

Wolfgang Kowalsky, Torsten Benstem, Achim Böhler, Siegfried Dirr, Hans-Hermann Johannes, Dirk Metzdorf, Helge Neuner, Jörg Schöbel and Peter Urbach, Phys. Chem. Chem. Phys. 1999, 1, 1719-1725: Organic molecular beam deposition: technology and applications in electronics and photonics.

 

Wolfgang Kowalsky, Torsten Benstem, Achim Böhler, Siegfried Dirr, Hans-Hermann Johannes, Dirk Metzdorf, Helge Neuner, Jörg Schöbel, SPIE Conference on Light-Emitting Diodes: Research, Manufacturing and Applications III, San Jose, CA, USA, 1999, SPIE Vol. 3621, 103-114: Improved Lifetime and Efficiency of Organic Light Emitting Diodes for Applications in Displays.

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1998

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W. Kowalsky, H.-H. Johannes, T. Benstem, A. Böhler, S. Dirr, D. Metzdorf, H. Neuner, J. Schöbel, Photonik-Symposium der Volkswagen-Stiftung, 14.-16.10. 1998, Seeheim-Jugenheim: Organische Elektrolumineszenz.

 

A. Feldner, M. Welscher, Th. Fehn, Th. Vogtmann, M. Schwörer, H.-H. Johannes, W. Grahn, International Bunsen Discussion Meeting, Poster P 4-2, 27.-30.09.1998 Heidelberg: Nichtlinear optische Eigenschaften ausgewählter Polymethine: Einfluß von Substituenten und Kettenlänge.

 

W. Kowalsky, T. Benstem, A. Böhler, S. Dirr, H.-H. Johannes, D. Metzdorf, H. Neuner und J.Schöbel, Proceedings of SPIE 1998, Vol. 3621, Light-Emitting Diodes: Research, Manufacturing, and Applications III, 103-114: Improved Lifetime and Efficiency of Organic Light Emitting Diodes for Applications in Displays (eingel. Vortrag).

 

T. Benstem, S. Dirr, A. Böhler, H.-H. Johannes, W. Kowalsky, Extended Abstracts of the Inorganic and Organic Electroluminescence, 9th International Workshop, 4th Int. Conf.on Sci and Techn. of Display Phosphors, Bend, OR, USA, 1998, 95-98: Europium-Chelate Based Microcavity OLEDs with a Guest-Host Emission Layer.

 

D. Metzdorf, A. Böhler, S. Dirr, H.-H. Johannes, H. Neuner, J. Schöbel, W. Kowalsky, Extended Abstracts of the Inorganic and Organic Electroluminescence, 9th International Workshop, 4th Int. Conf.on Sci and Techn. of Display Phosphors, Bend, OR, USA, 1998, 91-94: Improved Lifetime and Efficiency of Organic Light Emitting Devices Using a New Fabrication Technique.

 

A. Böhler, P. Urbach, J. Schöbel, S. Dirr, H.-H. Johannes, D. Ammermann, W. Kowalsky, Physica E 2 1998, 562-572: Organic heterostructures for electronic and photonic devices.

 

W. Grahn, H.-H. Johannes, U. Lawrentz, M. Kröner, A. Feldner, M. Welscher, Th. Fehn, M. Schwörer, Colorchem '98, Spindleruv Mlyn, Czech Republic 17.-21.05 1998: Oligomeric Cyanines und Squaraines.

 

J. Schöbel, A. Böhler, S. Dirr, H.-H. Johannes, A. Rückmann, P. Urbach, S. Wiese, W. Kowalsky, Display and Vacuum Electronics: contributions of ITG conference, ITG-Fachbericht 150, VDE-Verlag Berlin, 1998, 99-104: Organic Electroluminescence.

 

S. Dirr, A. Böhler, S. Wiese, H.-H. Johannes, W. Kowalsky, Jpn. J. Appl. Phys. 1998, 37, 1457-1461: Organic Electro- and Photoluminescent Microcavity Devices.

 

W. Werncke, M. Pfeiffer, A. Lau, W. Grahn, H.-H. Johannes, L. Dähne, J. Opt. Soc. Am. B, 1998, Vol 15 (No. 2), 863-870: Alternation and saturation effects in the dependence of the third-order hyperpolarizabilities of cyanines.

 

A. Feldner, Th. Fehn, Th. Vogtmann, M. Schwörer, H.-H. Johannes, W. Grahn, Frühjahrstagung der Deutschen Physikalischen Gesellschaft 1998, Poster CP5.5, Bayreuth: Nichtlinear optische Eigenschaften ausgewählter Polymethine: Einfluß von Substituenten und Kettenlänge.

 

S. Dirr, S. Wiese, H.-H. Johannes, W. Kowalsky, Adv. Mat. 1998, 10 (2), 167-171: Organic Electro- and Photoluminescent Microcavity Devices.




1997

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W. Werncke, M. Pfeiffer, T. Johr, A. Lau, W. Grahn, H.-H. Johannes, L. Dähne, Chemical Physics, 1997, 216, 337-347: Increase and saturation of the third-order hyperpolarizabilities in homologous series of symmetric cyanines.

 

H.-H. Johannes, W. Grahn, I. Dix, P. G. Jones, Acta Cryst. 1997, C53, 1432-1434: 5-Iodo-2-[iodo(5-iodo-1,3,3-trimethyl-2-indolinylidene)methyl]-1,3,3-trimethyl-3H-indolium Perchlorate: a Highly Overcrowded Cyanine Dye.

 

H.-H. Johannes, W. Grahn, I. Dix, P. G. Jones, Acta Cryst. 1997, C53, 1363-1366: 1,3,3-Trimethyl-5-styryl-2-[(1,3,3-trimethyl-5-styryl-2-indolinylidene)methyl]-3H-indolium Picrate: an Extended Trichromophoric System.

 

W. Kowalsky, A. Böhler, P. Urbach, J. Schöbel, S. Dirr, H.-H. Johannes, D. Ammermann, Proceedings of the Conference on Modulated Semiconductor Structures 8, Santa Barbara, CA, USA, 14.-18.07. 1997, I TH17: Organic Heterostructures for Electronic and Photonic Devices.

 

S. Dirr, S. Wiese, H.-H. Johannes, D. Ammermann, A. Böhler, W. Kowalsky, Macromol. Symp. 1997, 125, 69-76, Verlag Hüthig & Wepf, Zürich: Photoluminescence Enhancement in Organic Microcavity Structures.

 

S. Dirr, H.-H. Johannes, S. Wiese, D. Ammermann, A. Böhler, W. Grahn, W. Kowalsky, ACS/OSA Symposium on Organic Materials and Devices in Display Technology, San Francisco, CA, USA, 1997: Nearly monochromatic light emitting diodes based on organic thin films.

 

D. Ammermann, A. Böhler, S. Dirr, H.-H. Johannes, W. Kowalsky und W. Grahn, Optoelectronics '97/Photonics West '97, San Jose, USA, 1997: Device Structures and Materials for Organic Light Emitting Diodes (eingeladener Vortrag).

 

S. Dirr, H.-H. Johannes, J. Schöbel, D. Ammermann, A. Böhler, W. Grahn und W. Kowalsky, Society of Information Displays Symposium (SID´97), Boston, USA, 1997, 778‑781: Vacuum Deposited Thin Films of Lanthanide Complexes: Spectral Properties and Applications in Organic Light Emitting Diodes (eingeladener Vortrag).

 

W. Grahn, H.-H. Johannes, U. Lawrentz, 3. Fachtagung über Iminiumsalze, Stimpfach-Rechenberg bei Aalen, 17.09.-19.09.1997: Oligomere Cyaninen und Quadraine.

 

W. Grahn, H.-H. Johannes, U. Lawrentz, H. Nerenz, Photonik-Symposium der Volkswagen-Stiftung, 08.-10.10. 1997, Würzburg, Polymethine als NLO-phore.

 

S. Dirr, S. Wiese, H.-H. Johannes, D. Ammermann, A. Böhler, W. Grahn, W. Kowalsky, Proc. Bayreuth Polymer & Material Research Symposium, Bayreuth, 1997: Microcavity effects in organic multilayer structures.

 

S. Dirr, S. Wiese, H.-H. Johannes, D. Ammermann, A. Böhler, W. Grahn, W. Kowalsky, Synth. Met. 1997, 91 (1-3), 53-56: Luminenscence Enhancement in Microcavity Organic Multilayer Structures.

 

A. Böhler, S. Dirr, H.-H. Johannes, D. Ammermann, W. Kowalsky, Synth. Met. 1997, 91 (1-3), 95-97: Influence of the Process Vacuum on the Device Performance of Organic Light Emitting Diodes.

 

W. Grahn, H.-H. Johannes, U. Lawrentz, 2. Workshop über konjugierte Polymere und Oligomere, Blaubeuren bei Ulm, 02.-06.07.1997: Oligomere Cyaninen und Quadraine.

 

W. Grahn, H.-H. Johannes, T. Laue, U. Lawrentz, Worshop on Nonlinear-Optical Properties of Polymers and Related Topics, Universität Bayreuth, 30.06.-01.07.1997: Approaches to oligomers of polymethines and pseudo-Ladder Polymers: Novel Materials for Cubic Nonlinear Applications.

 

P. Urbach, S. Dirr, H.-H. Johannes, S. Wiese, W. Kowalsky, Extended Abstracts, of the of the International Conference on Solid State Devices and Materials (SSDM '97), Hamamatsu, Japan, 1997, 418-419: Microcavity Device Structures and Lanthanide Complexes for Narrow Bandwidth Light Emitting Diodes.

 

S. Dirr, H.-H. Johannes, J. Schöbel, D. Ammermann, A. Böhler, W. Grahn, W. Kowalsky, 1997 SID International Symposium (Boston, MA), Digest of Technical Papers, Society for Information Display (SID), Santa Ana, CA, USA, May 1997, 778-781: Vacuum deposited thin films of lanthanide complexes: spectral properties and application in organic light emitting diodes.

 

W. Werncke, M. Pfeiffer, A. Lau, W. Grahn, H.-H. Johannes, Chem. Phys. Lett., 1997, 226, 99-106: Third-order hyperpolarizabilities of homologous series of meso-nitrogen substituted thiacyanines.




1996

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D. Ammermann, A. Böhler, S. Dirr, H.-H. Johannes, W. Kowalsky, AEÜ Int. J. Electron. Commun. 50, 1996, No. 5, 327-333: Multilayer Organic Light Emitting Diodes for Flat Panel Displays.

 

S. Dirr, H.-H. Johannes, D. Ammermann, A. Böhler, W. Kowalsky, Extended Abstracts, of the ACS/OSA Symposium on Polymeric and Organic Materials for Optical Applications, Orlando, FL, USA, 1996, 418-419: Organic Multilayer Electroluminescent Devices Using Lanthanide b-Diketonates.

 

S. Dirr, H.-H. Johannes, D. Ammermann, A. Böhler, W. Kowalsky, Conference on Lasers and Electro-Optics/Europe (CLEO/Europe) '96, Hamburg, 1996: Organic Elektroluminescent Devices Using Rare-Earth Complexe Thin Films.

 

S. Dirr, H.-H. Johannes, D. Ammermann, A. Böhler, W. Grahn, W. Kowalsky, Inorganic and organic electroluminescence, 8th International Workshop, EL 96 Berlin, ed. by R. H. Mauch, H.-E. Gumlich, Berlin: Wissenschaft und Technik Verlag Dr. Jürgen Groß, 1996, 359-362: Thin Films of Rare Earth Metal Complexes as Emitter in Organic Elektroluminescent Devices.

 

A. Böhler, D. Ammermann, S. Dirr, H.-H. Johannes, W. Kowalsky, W. Grahn, A. M. Richter, Inorganic and organic electroluminescence, 8th International Workshop, EL 96 Berlin, ed. by R. H. Mauch, H.-E. Gumlich, Berlin: Wissenschaft und Technik Verlag Dr. Jürgen Groß, 1996, 227-230: Low Voltage Operating Blue and Green Elektroluminescent Devices.

 

A. Böhler, D. Ammermann, C. Rompf, W. Kowalsky, A. M. Richter, H.-H. Johannes, W. Grahn, Proc. International Symposium of the Society of Information Display (SID) '96, San Diego, USA, 1996, 188-191: Low Voltage Blue and Green Emitting Diodes Using Starburst Hole Transport Layers.




1995

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W. Grahn, H.-H. Johannes, J. Rheinheimer, B. Knieriem, E.-U. Würthwein, Liebigs Ann. 1995, 1003-1009: Halogenated Indocyanines: Synthesis, Conformational Behavior, and Light Absorption.

 

H.-H. Johannes, W. Grahn, 8th International Symposium on Novel Aromatic Compounds (ISNA), Braunschweig, 30.07.-04.08.1995: Cross-Coupling Reactions with Cyanines.

 

W. Grahn, H.-H. Johannes, C. B. Jeoung, J. Rheinheimer, 2. Fachtagung über Iminiumsalze, Stimpfach-Rechenberg bei Aalen, 20.09.-22.09.1995: Direkte Funktionalisierung von Cyaninen.

 

H.-H. Johannes, W. Grahn, A. Reisner, P. G. Jones, Tetrahedron Letters 1995, Vol. 36, 7225-7228: Ethynylated, Vinylated and Hetarylated Indodicarbocyanines by Palladium-Catalyzed Cross-Coupling Reactions.







Patente

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Hans-Hermann Johannes, Wolfgang Kowalsky, Steffen Schaumburg, Marc Debeaux,
Matthias Boettger, Henning Hopf, Bjoern Wiegmann, Alexander Cichosch:
Europäisches Patentamt WO 2011107491: Luminescent organometallic compound.
Prioritätsdatum 01. März 2010.

 

Hans-Hermann Johannes, Wolfgang Kowalsky, Mike Zoellner, Matthias Boettger,
Bjoern Wiegmann: Europäisches Patentamt EP 2286916: Verfahren und Verwendung
lumineszenter Verbindungen zur Messung einer photokatalytischen Oberflächenaktivität
.
Prioritätsdatum 13. August 2009.

 

Steffen Mozer, Wolfgang Kowalsky, Hendrik Blei, Hans-Hermann Johannes:
Europäisches Patentamt EP 1838805: Structure of Electro-Optics.
Prioritätsdatum 21. Juli 2008.

 

Wolfgang Kowalsky, Thomas Riedel, Hans-Hermann Johannes, Jens Meyer, Michael
Kroeger, Sami Hamwi: Deutsches Patentamt DE 102008045029: Strahlungsemittierendes
Bauelement und Verfahren zu dessen Betrieb
.
Prioritätsdatum 28. September 2007.

 

Stefan Heinze, Wolfgang Kowalsky, Hans-Hermann Johannes, Thomas Riedel,
Henning Krautwald, Michael Kroeger, Jens Meyer, Matthias Hoping, Heino Wengelnik,
Lorenz Bohrer: Deutsches Patentamt DE 102007012571: Transparente Anzeigevorrichtung
für ein Kraftfahrzeug
. Prioritätsdatum 15. Juli 2006.

 

Hans-Hermann Johannes, Wolfgang Kowalsky, Sven Ammermann, Michael Kröner,
Weinaug, Ute Jana: Europäisches Patentamt WO2007028822: Triplet Emitter having
condensed fife membered rings
. Prioritätsdatum 07. September 2005.

 

Florian Dötz, Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes:
Deutsches Patentamt DE 102005040285.2: Weiße organische Leuchtdioden (OLEDs)
auf der Basis von Exciplexen zweier blau fluoreszierender Verbindungen
.
Prioritätsdatum 25. August 2005.

 

Hans-Hermann Johannes, Wolfgang Kowalsky, Sven Ammermann, Michael Kröner,:
Europäisches Patentamt WO2006119800: Light emitting compound for
electroluminescent applications
. Prioritätsdatumm 09. Mai 2005.

 

Christian Lennartz, Martina Egen, Klaus Kahle, Oliver Molt, Simon Nord, Wolfgang
Kowalsky, Christian Schildknecht, Hans-Hermann Johannes: Deutsches Patentamt DE
102005014284.2: Verwendung von Verbindungen, welche aromatische oder
heteroaromatische über Carbonyl-Gruppen enthaltene Ringe enthalten, als
Matrixmaterialien in organischen Leuchtdioden
. Prioritätsdatum 24. März 2005.

 

Hans-Hermann Johannes, Wolfgang Kowalsky, Martin Dümeland, Ulf Lawrentz,
Michael Kröner,: Europäisches Patentamt WO2006072470: Orthogonally fixed
compounds for electrooptical applications
. Prioritätsdatum 10. Januar 2005.

 

Hans-Hermann Johannes, Wolfgang Kowalsky, Guergana Dobreva, Martin Dümeland,
Ulf Lawrentz: Europäisches Patentamt WO2006066630: Material for doped
and undoped hole and electron transport layer
. Prioritätsdatum 23. Dezember
2004
.

 

Evelyn Fuchs, Martina Egen, Klaus Kahle, Christian Lennartz, Oliver Molt, Simon
Nord, Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes:
Europäisches Patentamt EP 06112228.9: Heteroleptische Übergangsmetallcarben-
Komplexe und deren Verwendung in organischen Leuchtdioden (OLEDs)
.
Prioritätsdatum 25. November 2004.

 

Markus Bold, Christian Lennartz, Martina Egen, Klaus Kahle, Thomas Geßner, Simon
Nord, Hans-Werner Schmidt, Thelakkat Mukundan, Markus Bäte, Christian Neuber,
Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes:
Deutsches Patentamt DE 102004057072.8: Verwendung von Übergangsmetallcarben-
Komplexen in organischen Licht-emittierenden Dioden (OLEDs)
.
Prioritätsdatum 25. November 2004.

 

Markus Bold, Christian Lennartz, Martina Egen, Klaus Kahle, Gerhard Wagenblast,
Florian Dötz, Simon Nord, Hans-Werner Schmidt, Thelakkat Mukundan, Markus Bäte,
Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes:
Deutsches Patentamt DE 102004040005: In Polymermatrices eingebundene
Übergangsmetallcarbenkomplexe zur Verwendung in OLEDs
.
Prioritätsdatum 18. August 2004.

 

Markus Bold, Christian Lennartz, Martina Egen, Hans-Werner Schmidt, Thelakkat
Mukundan, Markus Bäte, Christian Neuber, Wolfgang Kowalsky:
Europäisches Patentamt WO2005019373: Transition metal complexes comprising carbene
ligands serving as emitters for light emitting diodes (OLEDs)
.
Prioritätsdatum 19. August 2003.

 

Thomas Dobbertin, Wolfgang Kowalsky, Hans-Hermann Johannes, Eike Becker:
Europäisches Patentamt WO2005015959: Use of a layer consisting of hydrophobic,
linear or two-dimensional polycyclic aromatics as barrier layer or an encapsulation and
electric components constructed with a layer of this type of comprising organic
polymers
. Prioritätsdatum 05. August 2003.

 

Eike Becker, Dirk Heithecker, Dirk Metzdorf, Hans-Hermann Johannes, Thomas Dobbertin,
Daniel Schneider, Wolfgang Kowalsky: Deutsches Patentamt DE 10246425:
Verfahren zur Mikrostrukturierung mittels ortsselektiver Sublimation,
Prioritätsdatum 04. Oktober 2002.

 

Hans-Hermann Johannes, Wolfgang Kowalsky, Martin Duemeland, Ulf Lawrenz:
Europäisches Patentamt EP 1838805: Orthogonally fixed compounds for electrooptical
applications
.
Prioritätsdatum 01. Oktober 2002.

 

Eike Becker, Hans-Hermann Johannes, Wolfgang Kowalsky: Deutsches Patentamt
DE 10140666: Method of manufactoring a structured conducting polymer layer.
Prioritätsdatum 24. August 2001.

 

Walter Grahn, Wolfgang Kowalsky, Stefan Wiese, Jürgen Wichern, Hans-Hermann
Johannes: Deutsches Patentamt DE 19942317: Verfahren zur
Feuchtebestimmung, Sensor zur Durchführung des Verfahrens und Messanordnung
.
Prioritätsdatum 09. September 1999.