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Organic Light Emitting Diodes
Contact: Hans-Werner Schmidt, Peter Strohriegl, Mukundan Thelakkat
OLEDs in RGB colors

Organic light emitting diodes (OLED) are fundamental units in the innovative and novel flat emissive display technology. OLEDs are also relevant for the future lighting applications. For these challenging applications material synthesis, testing and optimisation of devices should go hand in hand.

Our concept in this topic include elucidation of structure-property relationship for each class of materials such as hole conductors, electron conductors, fluorescent as well as phosphorescent emitters and matrix materials for emitter molecules.

The whole chain of synthesis of functional materials, characterization and their application in test devices is undertaken.


List of publications

Kreger, K.; Bäte, M.; Neuber, C.; Schmidt, H.-W.; Strohriegl, P.: Combinatorial Development of Blue OLEDs Based on Star Shaped Molecules, Advanced Functional Materials, 17, 3456-3461 (2007) -- DOI: 10.1002/adfm.200700223 -- Details
Bolognesi, A.; Botta, C.; Facchinetti, D.; Mercogliano, C.; Jandke, M.; Strohriegl, P.; Kreger, K.; Relini, A.; Rolandi, R.: Polarized electroluminescence from double-layer LEDs with active film formed by two perpendicularly oriented polymers in ACS: CHROMOGENIC PHENOMENA IN POLYMERS, ACS Symposium Series, 888, 211-219 (2005) -- Details
Thelakkat, M.: Organic Light Emitting Diodes in Marcel Dekker: Encyclopedia of Supramolecular Chemistry (online version) NY 2004 (2004)
Kisselev, R.; Thelakkat, M.: Synthesis and Characterization of Poly(triarylamine)s Containing Isothianaphthene Moieties, Macromolecules, 37, 8951-8958 (2004)
Schmitz, C.; Pösch, P.; Thelakkat, M.; Schmidt, H.-W.; Montali, A.; Feldmann, K.; Smith, P.; Weder, C.: Polymeric Light-Emitting Diodes Based on Poly(p-phenylene ethynylene), Poly(triphenyldiamine), and Spiroquinoxaline, Advanced Functional Materials, 11, 41-46 (2001)
Schmitz, C.; Schmidt, H.-W.; Thelakkat, M.: Synthesis of Lithium-quinolate complexes and their use as emitter and interface materials in OLEDs, Proceedings of SPIE 4105, 183-193 (2001)
Bolognesi, A.; Botta, C.; Facchinetti, D.; Jandke, M.; Kreger, K.; Strohriegl, P.; Blumstengel, S.: Polarized electroluminescence in double layer LEDs with perpendiculary oriented polymers, Advanced Materials, 13, 1072 (2001)
Jandke, M.; Hanft, D.; Strohriegl, P.; Whitehead, K.; Grell, M.; Bradley, D.D.C.: Polarized electroluminescence from photocrosslinkable nematic fluorene bisacrylates, Proceedings of SPIE 4105, 338 (2001)
Schmitz, C.; Schmidt, H.-W.; Thelakkat, M.: Lithium-quinolate complexes as emitter and interface materials in organic light-emitting diodes, Chemistry of Materials, 12, 3012-3019 (2000)
Whitehead, K.; Grell, M.; Bradley, D.D.C.; Jandke, M.; Strohriegl, P.: Highly Polarized Blue Electroluminescence from Homogeneously Aligned Films of Poly(9,9-dioctylfluorene, Applied Physics Letters, 76, 2946 (2000)
Schmitz, C.; Pösch, P.; Thelakkat, M.; Schmidt, H.-W.: Efficient screening of materials and fast optimization of vapor deposited OLED characteristics, Macromolecular Symposia, 154, 209-221 (2000)
Jandke, M.; Strohriegl, P.; Brütting, W.; Gmeiner, J.; Schwoerer, M.: Polarized electroluminescence from rubbing aligned poly (p-phenylenevinylene), Synthetic Metals, 111-112, 177 (2000)
Jandke, M.; Strohriegl, P.; Brütting, W.; Gmeiner, J.; Schwoerer, M.: Polarized Electroluminescence from Rubbing-Aligned Poly(p-phenylene vinylene), Advanced Materials, 11, 1518 (1999)
Pösch, P.; Thelakkat, M.; Schmidt, H.-W.: Perylenediimides with Electron Transport Moieties for Electroluminescent Devices, Synthetic Metals, 102, 1110-1112 (1999)
Jonda, C.; Mayer, A.B.R.; Thelakkat, M.; Schmidt, H.-W.; Schreiber, A.; Haarer, D.; Terrell, D.: Investigation of TDAPBs as Hole-Transporting Materials for Organic Light-Emitting Devices (OLEDs), Advanced Materials for Optics and Electronics, 9, 117-128 (1999)
Thelakkat, M.; Schmitz, C.; Hohle, C.; Strohriegl, P.; Schmidt, H.-W.; Hofmann, U.; Schloter, S.; Haarer, D.: Novel functional materials based on triarylamines-synthesis and application in electroluminescent devices and photorefractive systems, Physical Chemistry Chemical Physics, 1, 1693-1698 (1999)
Schmitz, C.; Thelakkat, M.; Schmidt, H.-W.: A Combinatorial Study of the Dependence of Organic LED Characteristics on Layer Thickness, Advanced Materials, 11(10), 821-826 (1999)
Gebhardt, V.; Bacher, A.; Thelakkat, M.; Stalmach, U.; Meier, H.; Schmidt, H.-W.; Haarer, D.: Electroluminescent Behavior of a Homologous Series of Phenylenevinylene Oligomers, Advanced Materials, 11(2), 119-123 (1999)
Schmitz, C.; Pösch, P.; Thelakkat, M.; Schmidt, H.-W.: Efficient screening of electron transport material in multi-layer organic light emitting diodes by combinatorial methods, Physical Chemistry Chemical Physics, 1, 1777-1781 (1999)
Dingemans, T.J.; Bacher, A.; Thelakkat, M.; Pedersen, L.G.; Samulski, E.T.; Schmidt, H.-W.: Spectral tuning of light emitting diodes with phenyl-thiophenes, Synthetic Metals, 105, 171-177 (1999)
Thelakkat, M.; Hagen, J.; Haarer, D.; Schmidt, H.-W.: Poly(triarylamine)s- synthesis and application in electroluminescent devices and photovoltaics, Synthetic Metals, 102, 1125-1128 (1999)

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