Solution-processed small-molecule bulk heterojunction ambipolar transistors

Shiau Shin Cheng, Peng Yi Huang, Mohan Ramesh, Hsiu Chieh Chang, Li Ming Chen, Chia Ming Yeh, Chun Lin Fung, Meng Chyi Wu, Chung Chi Liu, Choongik Kim, Hong Cheu Lin, Ming Chou Chen, Chih Wei Chu

研究成果: 雜誌貢獻期刊論文同行評審

53 引文 斯高帕斯(Scopus)

摘要

Solution-processed small-molecule bulk heterojunction (BHJ) ambipolar organic thin-film transistors are fabricated based on a combination of [2-phenylbenzo[d,d']thieno[3,2-b;4,5-b']dithiophene (P-BTDT): 2-(4-n-octylphenyl)benzo[d,d']thieno[3,2-b;4,5-b']dithiophene (OP-BTDT)] and C60. Treating high electrical performance vacuum-deposited P-BTDT organic semiconductors with a newly developed solution-processed organic semiconductor material, OP-BTDT, in an optimized ratio yields a solution-processed p-channel organic semiconductor blend with carrier mobility as high as 0.65 cm2 V-1 s-1. An optimized blending of P-BTDT:OP-BTDT with the n-channel semiconductor, C60, results in a BHJ ambipolar transistor with balanced carrier mobilities for holes and electrons of 0.03 and 0.02 cm2 V-1 s-1, respectively. Furthermore, a complementary-like inverter composed of two ambipolar thin-film transistors is demonstrated, which achieves a gain of 115.

原文???core.languages.en_GB???
頁(從 - 到)2057-2063
頁數7
期刊Advanced Functional Materials
24
發行號14
DOIs
出版狀態已出版 - 9 4月 2014

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