Optoelectronic Properties of Discotic
Materials for Device Applications

By Jorge Piris
December 2004
Delft University Press
ISBN: 9040725209
155 pages, Illustrated, 6 " x 9 "
$75.00 Paper Original


This is a Ph.D. dissertation. A parameter of prime importance in determining the successful technological application of organic compounds as the active layers in the rapidly advancing area of molecular (opto)electronics is the mobility of charge within these materials.

This parameter controls for example the switching speed of field effect transistors, the intensity of light-emitting diodes, and the collection of the photo generated charges in photovoltaic cells.

Contents include: Discotic liquid crystals for molecular electronics, Experimental techniques, the Mobility and decay kinetics of charge carriers in discotic hexabenzocoronenes, the Optical and charge transport properties of discotic materials with large aromatic hydrocarbon cores, pi-deficient discotic mesogens for electron transport, Tailoring discotic mesophases: columnar order enforced with hydrogen bonds, Aniotropy in the mobility and photogeneration of charge carriers in thin films of discotic hexabenzocoronenes, columnarly self-assembled on friction-deposited PTFE, Thermal switching of the optical anisotropy of a macroscopically aligned film of a discotic liquid crystal, Aligned thin films of discotic hexabenzocoronenes: anisotropy in the optical and charge transport properties, Photo-induced charge separation in a blend of perylenediimide and hexabenzocoronenes derivatives studied by FP-TRMC.

Physical Chemistry

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