Amphoteric and controllable doping of carbon nanotubes by encapsulation of organic and organometallic molecules |
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Authors: | Lu Jing Nagase Shigeru Yu Dapeng Ye Hengqiang Han Rushan Gao Zhengxiang Zhang Shuang Peng Lianmao |
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Institution: | Department of Theoretical Studies, Institute for Molecular Science, Okazaki 444-8585, Japan. jinglu@pku.edu.cn |
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Abstract: | By using first principles calculations, we show that fine tuning of both p- and n-type doping can be realized on single-wall carbon nanotubes (SWNTs) by tuning the electron affinity or ionization potential of the organic and organometallic molecules encapsulated inside SWNTs. This novel type of SWNT-based material offers great promise for molecular electronics because of its air stability, synthetic simplicity and the abundance of organic and organometallic molecules. |
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