✦ LIBER ✦
Comparative Raman Study of Carbon Nanotubes Prepared by D.C. Arc Discharge and Catalytic Methods
✍ Scribed by Pingheng Tan; Shu-Lin Zhang; Kwok To Yue; Fumin Huang; Zujing Shi; Xihuang Zhou; Zhennan Gu
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 284 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0377-0486
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✦ Synopsis
The Raman spectra of carbon nanotubes prepared by catalytic (C-CNT) and d.c. arc discharge (D-CNT) methods are reported. A previously unnoticed third-order Raman peak at ca. 4248 cm-1 was observed in the Raman spectrum of D-CNT. The Raman features of D-CNT and C-CNT are similar to those of highly oriented pyrolytic graphite (HOPG) and active carbon, respectively. The data also suggest that the increase in disorder in D-CNT compared with HOPG is due to structural defects in D-CNT.