期刊
NANOTECHNOLOGY
卷 20, 期 15, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/20/15/155704
关键词
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资金
- National Centre for Electron Spectroscopy and Surface Analysis (NCESS)
- EPSRC [EP/C512308/1, EP/E025722/1]
- EPSRC [EP/E025722/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/C512308/1, EP/E025722/1] Funding Source: researchfish
Controlling the electronic structure of carbon nanotubes (CNTs) is of great importance to various CNT based applications. Herein the electronic fine structure of single-walled carbon nanotube films modified with 4-nitrophenyl groups, produced following reaction with 4-nitrobenzenediazonium tetrafluoroborate, was investigated for the first time. Various techniques such as x-ray and ultra-violet photoelectron spectroscopy, and near edge x-ray absorption fine structure studies were used to explore the electronic structure, and the results were compared with the measured electrical resistances. A reduction in number of the p electronic states in the valence band consistent with the increased resistance of the functionalized nanotube films was observed.
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