An organic thin-film transistor of high mobility by dielectric surface modification with organic molecule

Jong M. Kim, Joo W. Lee, Jai Kyeong Kim, Byeong Kwon Ju, Jong Seung Kim, Yun-Hi Lee, Myung Hwan Oh

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

Organic thin-film transistors (OTFTs) based on pentacene semiconductor are elaborated on the plastic substrates through a four-level mask process without photolithographic patterning to yield a simple fabrication process. Octadecyltrimethoxysilane (OTMS) as an organic molecule for self-assembled monolayers is deposited on the surface of zirconium oxide dielectric layer. The effect of OTMS interlayer with gate dielectric surface modification on the field effect mobility of OTFTs has been examined and these prototype organic transistors showed excellent electrical characteristics with field effect mobility >0.66 cm2 V s and Ion Ioff >10. 5

Original languageEnglish
Pages (from-to)6368-6370
Number of pages3
JournalApplied Physics Letters
Volume85
Issue number26
DOIs
Publication statusPublished - 2004 Dec 27

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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