Oligophenyl-based organic thin film transistors

D. J. Gundlach, Y. Y. Lin, T. N. Jackson, D. G. Schlom

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Abstract

Organic thin film transistors (TFTs) have been fabricated using thermally evaporated films of the oligophenyls p-quaterphenyl (p-4P), p-quinquephenyl (p-5P), and p-sexiphenyl (p-6P). The field-effect mobility of these TFTs ranges from 10-2 cm2/V s for p-4P to 10-1 cm2/V s for p-6P with on/off current ratio from 105 to 106. These values are comparable to those achieved using the more widely studied organic semiconductors alpha-sexithienyl (α-6T) and pentacene. X-ray diffraction reveals a high degree of molecular ordering, believed to be important for obtaining high field-effect mobility in organic TFTs.

Original languageEnglish (US)
Pages (from-to)3853-3855
Number of pages3
JournalApplied Physics Letters
Volume71
Issue number26
DOIs
StatePublished - Dec 29 1997

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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