期刊
ORGANIC ELECTRONICS
卷 23, 期 -, 页码 76-81出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.orgel.2015.04.001
关键词
Organic field effect transistors; Conjugated polymer; Gas sensor; Diketopyrrolopyrrole; Flexible organic transistors
资金
- Korea CCS R&D Center (KCRC) Grant - Korea government (Ministry of Science, ICT & Future Planning) [2014M1A8A1049314]
- LG electronics
- National Research Foundation of Korea [2014M1A8A1049314] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We demonstrate high-performance flexible polymer OFETs with P-29-DPP-SVS in various geometries. The mobilities of TG/BC OFETs are approximately 3.48 +/- 0.93 cm(2)/V s on a glass substrate and 2.98 +/- 0.19 cm(2)/V s on a PEN substrate. The flexible P-29-DPP-SVS OFETs exhibit excellent ambient and mechanical stabilities under a continuous bending stress of 1200 times at an R = 8.3 mm. In particular, the variation of mu(FET), V-Th and leakage current was very negligible (below 10%) after continuous bending stress. The BG/TC P-29-DPP-SVS OFETs on a PEN substrate applies to flexible NH3 gas sensors. As the concentration of NH3 increased, the channel resistance of P-29-DPP-SVS OFETs increased approximately 100 times from similar to 10(7) to similar to 10(9) Omega at V-SD = -5 V and V-GS = -5 V. (C) 2015 Elsevier B.V. All rights reserved.
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