A Class of Electron-Transporting Vinylogous Tetrathiafulvalenes Constructed by the Dimerization of Core-Expanded Naphthalenediimides

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• 作者：Yunbin Hu ; Zhongli Wang ; Xu Zhang ; Xiaodi Yang ; Congwu Ge ; Lina Fu ; Xike Gao
• 刊名：Organic Letters
• 出版年：2017
• 出版时间：February 3, 2017
• 年：2017
• 卷：19
• 期：3
• 页码：468-471
• 全文大小：361K
• ISSN：1523-7052

文摘

The combination of the (1,3-dithiol-2-ylidene)malononitrile (DTYM) and/or (1,3-dithiol-2-ylidene)acetonitrile (DTYA) moieties with naphthalenediimide (NDI) core affords two singly linked NDI-based dimers, (DTYM-NDI-DTYA)₂ (D1) and (NDI-DTYA)₂ (D2), which both contain a dicyano-substituted vinylogous tetrathiafulvalene (TTF) unit. The synthesis, thermal/optical/electrochemical properties of D1 and D2, and their primary applications in n-channel organic thin film transistors are studied. The results demonstrate that these NDI-fused vinylogous TTFs are excellent electron acceptors, and their further applications are promising.