Ultraviolet alignment effect and properties of organic thin film transistors based on soluble triisopropylsilyl-pentacene with photoreactive polymer

Ji Yun Chun; Jin Woo Han; Jeong Min Han; Dae Shik Seo

doi:10.1143/JJAP.48.010206

Ultraviolet alignment effect and properties of organic thin film transistors based on soluble triisopropylsilyl-pentacene with photoreactive polymer

Ji Yun Chun, Jin Woo Han, Jeong Min Han, Dae Shik Seo

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article

2 Citations (Scopus)

Abstract

We investigated the electrical properties of triisopropylsilyl (TIPS)-pentacene organic thin film transistors (OTFTs) fabricated with a photoreactive polymer. The OTFTs fabricated with annealing of the gate dielectric layer had a field-effect mobility of up to 0.06cm² V ^-1 s^-1, while those treated with ultraviolet (UV) irradiation showed a field effect mobility of 0.12cm² V^-1 s^-1. The large improvement in TIPS-pentacene OTFT performance using a photoreactive dielectric layer is probably due to the enhanced alignment of TIPS-pentacene molecules and improved dielectric properties.

Original language	English
Article number	010206
Journal	Japanese journal of applied physics
Volume	48
Issue number	1
DOIs	https://doi.org/10.1143/JJAP.48.010206
Publication status	Published - 2009 Jan 20

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All Science Journal Classification (ASJC) codes

Engineering(all)
Physics and Astronomy(all)

Cite this

Chun, J. Y., Han, J. W., Han, J. M., & Seo, D. S. (2009). Ultraviolet alignment effect and properties of organic thin film transistors based on soluble triisopropylsilyl-pentacene with photoreactive polymer. Japanese journal of applied physics, 48(1), [010206]. https://doi.org/10.1143/JJAP.48.010206

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10.1143/JJAP.48.010206