期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 112, 期 34, 页码 13053-13056出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp805136e
关键词
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Interaction of single-walled carbon nanotubes with electron-donor and -acceptor molecules causes significant changes in the electronic and Raman spectra. Electron-donating molecules such as tetrathiafulvalene and aniline cause changes opposite to those caused by electron-withdrawing molecules such as nitrobenzene and tetracyanoethylene. Thus, a proportion of the semiconducting SWNTs becomes metallic on electron donation through molecular charge transfer. Electrical resistivity measurements reveal a systematic variation with electron-donating or -withdrawing power of the interacting molecules.
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