Mobility enhancement through homogeneous nematic alignment of a liquid-crystalline polyfluorene

Authors
Redecker, M Bradley, DDC Inbasekaran, M Woo, EP
Citation
M. Redecker et al., Mobility enhancement through homogeneous nematic alignment of a liquid-crystalline polyfluorene, APPL PHYS L, 74(10), 1999, pp. 1400-1402
Citations number
19
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
APPLIED PHYSICS LETTERS
ISSN journal
00036951 → ACNP
Volume
74
Issue
10
Year of publication
1999
Pages
1400 - 1402
Database
ISI
SICI code
0003-6951(19990308)74:10<1400:METHNA>2.0.ZU;2-H
Abstract
Homogeneous alignment of poly(9,9 '-dioctylfluorene) films on rubbed polyim ide results in a more than one order of magnitude increase in time-of-fligh t hole mobility normal to the alignment direction. We find mu = 8.5+/-1 x 1 0(-3) cm(2)/V s at an electric field of E = 10(4) V/cm. Hole transport is f ound to be nondispersive, indicating a low degree of energetic disorder. (C ) 1999 American Institute of Physics. [S0003-6951(99)04210-2].