Purity assessment of multiwalled carbon nanotubes by Raman spectroscopy

被引:432
作者
DiLeo, Roberta A. [1 ]
Landi, Brian J.
Raffaelle, Ryne P.
机构
[1] Rochester Inst Technol, Dept Phys, Rochester, NY 14623 USA
[2] Rochester Inst Technol, NPRL, Rochester, NY 14623 USA
关键词
Multiwalled carbon nanotubes (MWCN);
D O I
10.1063/1.2712152
中图分类号
O59 [应用物理学];
学科分类号
摘要
Carbonaceous purity assessment for chemical vapor deposition multiwalled carbon nanotubes (MWNTs) using Raman spectroscopy was investigated. Raman spectroscopy was performed on a reference sample set containing predetermined ratios of MWNTs and representative synthesis by-products. Changes in the characteristic Raman peak ratios (i.e., I-D/I-G, I-G(')/I-G, and I-G(')/I-D) as a function of MWNT content were measured. Calibration curves were generated from the reference samples and used to evaluate MWNTs synthesized under different conditions with varying purity. The efficacy of using Raman spectroscopy in conjunction with thermogravimetric analysis for quantitative MWNT purity assessment is discussed. (c) 2007 American Institute of Physics.
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页数:5
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