Pyrene Derivate Functionalized with Acetylene for Organic Field Effect Transistors |
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| Authors: | Zuo-qin Liang Jie Zhou Xiao-mei Wang Xu-tang Tao |
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| Affiliation: | 1.Jiangsu Key Laboratory for Environment Functional Materials, School of Chemistry, Biology and Mat-erial Engineering, Suzhou University of Science and Technology, Suzhou 215009, China2.State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China |
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| Abstract: | A new X-shaped compound (SiPy) functionalized with acetylene bonds in the 1-, 3-, 6-, and 8-positions of the pyrene core has been synthesized by Sonogashira coupling reactions. Its photophysical, thermal, and organic field effect transistor (OFET) properties as well as the film morphologies have been investigated. SiPy exhibits high stability which is evidenced by thermal gravimetric analysis. The atomic force microscopy images reveal that the morphol-ogy of thin films depends on the substrate temperature. The film OFET devices based on SiPy were constructed and exhibited p-type performances. |
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| Keywords: | Pyrene Acetylene Organic field effect transistors Carrier mobility On/off ratio |
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