期刊
JOURNAL OF RAMAN SPECTROSCOPY
卷 43, 期 10, 页码 1381-1384出版社
WILEY
DOI: 10.1002/jrs.4092
关键词
SERS; individual MWCNT; hydrogen arc discharge; Lorentzian fitting; 1510 cm-1
类别
资金
- National Natural Science Foundation of China [10974131]
- Nanotechnology Program of Shanghai Science and Technology Committee [0952nm07100]
The Raman spectra of individual multiwalled carbon nanotubes (MWCNTs) with the innermost diameters of 0.60.9 nm are studied by surface-enhanced Raman scattering. The influences of small innermost diameters to Raman features are investigated. A clear and relatively sharp Raman peak appears at 1510 cm-1 when the innermost diameter is close to 0.6 nm. Lorentzian fits of G band indicate that its splitting is affected by the small innermost diameter of MWCNT. Moreover, the splitting of 2iTO mode is also observed at 28003000 cm-1. Copyright (c) 2012 John Wiley & Sons, Ltd.
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