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题名: Ambipolar organic field-effect transistors based on diketopyrrolopyrrole derivatives containing different pi-conjugating spacers
作者: Lin, Gaobo1; Qin, Yunke2; Zhang, Jiajia2; Guan, Ying-Shi2; Xu, Hai1; Xu, Wei2; Zhu, Daoben2
刊名: JOURNAL OF MATERIALS CHEMISTRY C
发表日期: 2016
卷: 4, 期:20, 页:4470-4477
收录类别: SCI
英文摘要: We report the synthesis and characterization of two new DPP-based small molecules, BTDPPCN and TTDPPCN. By variation of pi-conjugating spacers from bithiophene to thieno[3,2-b]thiophene, a lower LUMO level is obtained for TTDPPCN, but both compounds have a similar band gap of about 1.6 eV. Under ambient conditions, the excellent ambipolarity of BTDPPCN is demonstrated by balanced charge carrier mobilities of 0.065 and 0.031 cm(2) V-1 s(-1) for n- and p-channels after thermal annealing. The FETs based on TTDPPCN films also showed ambipolar charge transport properties with a very high electron mobility of 0.80 cm(2) V-1 s(-1) upon thermal annealing at 90 degrees C and a hole mobility of 0.024 cm(2) V-1 s(-1) at 150 degrees C.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35762
Appears in Collections:有机固体实验室_期刊论文

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作者单位: 1.Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
2.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, Beijing 100190, Peoples R China
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