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Proceedings Paper

Photoconducting discotic liquid crystals
Author(s): Richard J. Bushby; Owen R. Lozman; Jason C. Bunning; Kevin J. Donovan; Theo Kreouzis; Ken Scott
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Paper Abstract

Molecular engineering of discotic liquid crystals is discussed with relation to charge carrier mobility and generation efficiency. Steady State DC and Pulsed TOF measurements are reported as viable complementary methods in the determination of charge generation efficiencies. Data for the quantum efficiencies of charge carrier generation in 2,3,6,7,10,11-hexa(hexyloxy)triphenylene and its 1:1 mixture with 2,3,6,7,10,11-hexakis(nonylphenyl)triphenylene (a complementary polytopic interaction (CPI) stabilized compound) are presented. The wavelength, field and temperature dependence of the quantum efficiency of charge carrier generation are discussed in respect of the Onsager theory of geminate recombination.

Paper Details

Date Published: 14 July 2003
PDF: 12 pages
Proc. SPIE 4991, Organic Photonic Materials and Devices V, (14 July 2003); doi: 10.1117/12.478360
Show Author Affiliations
Richard J. Bushby, Univ. of Leeds (United Kingdom)
Owen R. Lozman, Univ. of Leeds (United Kingdom)
Jason C. Bunning, Queen Mary Univ. of London (United Kingdom)
Kevin J. Donovan, Queen Mary Univ. of London (United Kingdom)
Theo Kreouzis, Queen Mary Univ. of London (United Kingdom)
Ken Scott, Queen Mary Univ. of London (United Kingdom)

Published in SPIE Proceedings Vol. 4991:
Organic Photonic Materials and Devices V
James G. Grote; Toshikuni Kaino, Editor(s)

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