Enhanced mobility of organic thin film transistors by water absorption of collagen hydrolysate gate dielectric

Chao-Ying Hsieh; Jenn-Chang Hwang; Ting-Hao Chang; Jiun-Yi Li; Shih-Han Chen; Lung-Kai Mao; Li-Shiuan Tsai; Yu-Lun Chueh; Ping-Chiang Lyu; Shawn S. H. Hsu

doi:10.1063/1.4813075

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Enhanced mobility of organic thin film transistors by water absorption of collagen hydrolysate gate dielectric

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Enhanced mobility of organic thin film transistors by water absorption of collagen hydrolysate gate dielectric

Chao-Ying Hsieh, Jenn-Chang Hwang, Ting-Hao Chang, Jiun-Yi Li, Shih-Han Chen, Lung-Kai Mao, Li-Shiuan Tsai, Yu-Lun Chueh, Ping-Chiang Lyu and Shawn S. H. Hsu

Applied Physics Letters, Vol.103(2), 023303

08/07/2013

DOI: https://doi.org/10.1063/1.4813075

Appears in keyword about Physics

Abstract

Collagen hydrolysate is a nature protein, which works well as the gate dielectric for organic thin film transistors (OTFTs). The pentacene OTFTs exhibit a field-effect mobility (μ _FE ) value of 0.8 cm ² V ^-1 s ^-1 and an on/off ratio of 10 ⁵ in vacuum. The drain current is greatly enhanced and the μ _FE value increases to ca. 15.5 cm ² V ^-1 s ^-1 when OTFTs are exposed to air. The enhancement of μ _FE is attributed to the interaction of water and OH-groups in collagen hydrolysate in air ambient. © 2013 AIP Publishing LLC.

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Title: Enhanced mobility of organic thin film transistors by water absorption of collagen hydrolysate gate dielectric
Creators - without role: Chao-Ying Hsieh - Department of Materials Science and Engineering , National Tsing Hua University
Jenn-Chang Hwang - Department of Materials Science and Engineering , National Tsing Hua University
Ting-Hao Chang - Department of Materials Science and Engineering , National Tsing Hua University
Jiun-Yi Li - Department of Materials Science and Engineering , National Tsing Hua University
Shih-Han Chen - Department of Materials Science and Engineering , National Tsing Hua University
Lung-Kai Mao - National Tsing Hua University
Li-Shiuan Tsai - Department of Materials Science and Engineering , National Tsing Hua University
Yu-Lun Chueh - Department of Materials Science and Engineering , National Tsing Hua University
Ping-Chiang Lyu - Department of Materials Science and Engineering , National Tsing Hua University
Shawn S. H. Hsu - Department of Materials Science and Engineering , National Tsing Hua University
Publication Details: Applied Physics Letters, Vol.103(2), 023303
Identifiers: 9957770261806774
Academic Unit: Department of Materials Science and Engineering, College of Engineering, National Tsing Hua University; Ph.D. Program in Bioindustria; Technology, College of Life Science, National Tsing Hua University; College of Electrical Engineering and Computer Science, National Tsing Hua University
Language: English
Resource Type: Journal article

Enhanced mobility of organic thin film transistors by water absorption of collagen hydrolysate gate dielectric

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