期刊
NATURE COMMUNICATIONS
卷 6, 期 -, 页码 -出版社
NATURE RESEARCH
DOI: 10.1038/ncomms8408
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资金
- Chinese Ministry of Science and Technology [2011CB932304, 2013CB632506]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB12000000]
- National Natural Science Foundation of China [21290191, 21333011]
Currently, studies on organic two-dimensional (2D) materials with special optic-electronic properties are attracting great research interest. However, 2D organic systems possessing promising electrical transport properties are still rare. Here a highly crystalline thin film of a copper coordination polymer, Cu-BHT (BHT = benzenehexathiol), is prepared via a liquid-liquid interface reaction between BHT/dichloromethane and copper(II) nitrate/H2O. The morphology and structure characterization reveal that this film is piled up by nanosheets of 2D lattice of [Cu-3(C6S6)](n), which is further verified by quantum simulation. Four-probe measurements show that the room temperature conductivity of this material can reach up to 1,580 S cm (-1), which is the highest value ever reported for coordination polymers. Meanwhile, it displays ambipolar charge transport behaviour and extremely high electron and hole mobilities (99 cm(2) V (-1) s (-1) for holes and 116 cm(2) V (-1) s (-1) for electrons) under field-effect modulation.
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