期刊
SYNTHETIC METALS
卷 161, 期 1-2, 页码 136-142出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.synthmet.2010.11.009
关键词
TCE-TTF; TTF; Organic single crystal; Micro/nanowires; Self-assembly; Stability; Mobility
资金
- National Natural Science Foundation of China [20721061, 50725311, 60736004, 60771031]
- Ministry of Science and Technology of China [2006CB806200, 2006CB932100]
- Chinese Academy of Science
Tetrathiafulvalene (TTF) was one of the most widely studied heterocyclic systems. However, TTF itself was easily oxidized, which induced the low stability and limited its potential applications. Here, a TTF derivative, 2,3,6,7-tetrakis(2-cyanoethylthio)tetrathiafulvalene (TCE-TTF), was synthesized. It was found that single crystalline micro- and nanowires of TCE-TTF were easily obtained by simple casting due to the enhanced pi-pi overlapping and S center dot center dot center dot S interaction. The thermal and vacuum stability analyses revealed TCE-TTF was much better than TTF. Single crystalline micro- and nanowires field-effect transistors were also fabricated by in situ dropping method. The typical mobility and on/off ratio were similar to 0.02 cm(2)/V s and similar to 10(3), which predicted great potential applications of organic nanowires electronics. (C) 2010 Elsevier B.V. All rights reserved.
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