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Proceedings Paper

Organic thin-film transistors using suspended source/drain electrode structure
Author(s): Yong Uk Lee; Yong-Hoon Kim; Jeong-In Han; Min-Koo Han
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Paper Abstract

The electrical properties of triisopropylsilyl (TIPS) pentacene organic thin-film transistors (OTFTs) such as field-effect mobility, on/off ratio, threshold voltage and subthreshold slope were markedly improved by employing suspended source/drain (SSD) electrode structure. The SSD structure was fabricated by using Cr/Au double layer where Cr was used as a sacrificial layer. Using the SSD structure, the field-effect mobility in the linear region increases from 0.007 cm2/Vs to 0.29 cm2/Vs, on/off ratio from 104 to 107, threshold voltage decreases from +9 V to -3 V and subthreshold slope decreases from 4.5 V/decade to 0.6 V/decade.

Paper Details

Date Published: 13 September 2007
PDF: 6 pages
Proc. SPIE 6658, Organic Field-Effect Transistors VI, 66581F (13 September 2007); doi: 10.1117/12.739028
Show Author Affiliations
Yong Uk Lee, Korea Electronics Technology Institute (South Korea)
Yong-Hoon Kim, Korea Electronics Technology Institute (South Korea)
Jeong-In Han, Korea Electronics Technology Institute (South Korea)
Min-Koo Han, Seoul National Univ. (South Korea)


Published in SPIE Proceedings Vol. 6658:
Organic Field-Effect Transistors VI
Zhenan Bao; David J. Gundlach, Editor(s)

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