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

M. Redecker, D. D.C. Bradley, M. Inbasekaran, E. P. Woo

Research output: Contribution to journalArticlepeer-review

258 Scopus citations

Abstract

Homogeneous alignment of poly(9,9′-dioctylfluorene) films on rubbed polyimide results in a more than one order of magnitude increase in time-of-flight hole mobility normal to the alignment direction. We find μ = 8.5 ± 1 × 10-3 cm2/V s at an electric field of E = 104 V/cm. Hole transport is found to be nondispersive, indicating a low degree of energetic disorder. © 1999 American Institute of Physics.
Original languageEnglish (US)
JournalApplied Physics Letters
Volume74
Issue number10
DOIs
StatePublished - Mar 8 1999
Externally publishedYes

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