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Effect of active layer thickness on environmental stability of printed thin-film transistor

โœ Scribed by Min Hee Choi; Seung Hoon Han; Sun Hee Lee; Dong Joon Choo; Jin Jang; Soon Ki Kwon

Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
485 KB
Volume
10
Category
Article
ISSN
1566-1199

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โœฆ Synopsis

We have studied the effect of active layer thickness on the performance and environmental stability of the 6,13-bis(triisopropylsilylethynyl) pentacene (TIPS pentacene) thin-film transistor. The organic thin-film transistors (OTFTs) were fabricated by inkjet printing using a solution based TIPS pentacene. To get thick organic semiconductor, the surface of gate insulator was treated with n-octyltrichlorosilane (OTS-C 8 ) before jetting. The on-currents of the OTFT with $1 lm active layer decreases a little in air, but the OTFT with 0.05 lm TIPS pentacene shows a significant degradation in drain currents.

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