Organic and Polymeric Materials and Devices: Symposium Held April 22-25, 2003, San Francisco, California, U.S.A.The field of organic semiconductors has seen much development in the past years. Displays based on light-emitting diodes made of small organic molecules as well as polymers, have recently been commercialized. Other applications, such as electronic circuits for tagging, efficient photovoltaic devices and biosensors, have already been demonstrated. This volume brings together a "wish list" of leading researchers in the fields of chemistry, physics and technology of organic devices. Novel device concepts such as charge-generation layers, metal complexes and the use of heterojunctions are presented and should lead to further improvement in the efficiency of organic light-emitting diodes. In the field of organic transistors, major progress is reported on the charge-transport properties of organic semiconductors; mobilities up to 5cm2/Vs are reported for pentacene-based transistors. High mobility n-type materials, which enable the development of ambipolar organic electronic circuits, are also discussed. And new approaches to fully printable displays on substrates, such as textiles and paper, are presented. These may lead the way to new applications of organic optoelectronic devices. |
Contents
Electrochemical Characterization of BlueEmitting | 3 |
Oligothiophene Organic Thin Film Transistors and Circuits | 11 |
Energetics of merfac Isomers in Metal Tris8hydroxyquinoline | 17 |
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2003 Materials Research absorption acceptor alignment Alq3 anneal Appl applied band band gap binding energy birefringence cell chains characteristics Chem chemical chromophores cm²/Vs complexes conjugated polymers copolymers Coumarin crystal curves DABCO decrease dependence deposition devices dopant doped dyes effect efficiency electroluminescence electron injection emission evaporation exciton experimental fabricated fluorene hole injection increase intensity interface isomer laser layer Lett ligands LUMO Materials Research Society MDMO-PPV measured metal mobility molecular molecules monomer observed obtained oligomers on/off ratio OP-TFT optical organic semiconductors orientation ORMOSIL parameters PBLG PDLC peak PEDOT pentacene performance phase photocurrent photoluminescence photovoltage Phys polarization polyfluorene polymer films polythiophene potential pressure Proc properties quenching sample shift shown in figure shows solution solvent spectra spectroscopy spin-coated structure substrate surface Symp synthesized Technology temperature TFTs thermal thickness thin film transistors thin films thiophene threshold voltage transistors vacuum Wavelength nm