Carbon nanotubes;
Chemical Functionalization;
Raman Spectroscopy;
D O I:
10.1063/1.4810169
中图分类号:
T [工业技术];
学科分类号:
08 ;
摘要:
Multi wall carbon nanotubes (MWCNTs) were characterized by SEM and Raman spectroscopy to observe the effect of functionalization on the structural and the chemical properties. When MWCNTs are chemically treated, the defects are created. In the functionalized sample, the intensity of the disordered band (D-mode) increases than the pristine samples. A higher intensity ratio in D- and G-mode (I-D/I-G) is observed after functionalization with oxygenated functional groups. In case of MWCNTs, the D band becomes equal to the G band in intensity which is due to the huge number of defects that have been introduced in the sidewalls.
机构:
Chinese Univ Hong Kong, Ctr Micro & Nano Syst, Hong Kong, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Ctr Micro & Nano Syst, Hong Kong, Hong Kong, Peoples R China
Sin, Mandy Lai Yi
Chow, Gary Chun Tak
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机构:Chinese Univ Hong Kong, Ctr Micro & Nano Syst, Hong Kong, Hong Kong, Peoples R China
Chow, Gary Chun Tak
Wong, Gary Man Keung
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机构:Chinese Univ Hong Kong, Ctr Micro & Nano Syst, Hong Kong, Hong Kong, Peoples R China
Wong, Gary Man Keung
Li, Wen Jung
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机构:Chinese Univ Hong Kong, Ctr Micro & Nano Syst, Hong Kong, Hong Kong, Peoples R China
Li, Wen Jung
Leong, Philip Heng Wai
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机构:Chinese Univ Hong Kong, Ctr Micro & Nano Syst, Hong Kong, Hong Kong, Peoples R China
Leong, Philip Heng Wai
Wong, Ka Wai
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机构:Chinese Univ Hong Kong, Ctr Micro & Nano Syst, Hong Kong, Hong Kong, Peoples R China