Identification of the constituents of double-walled carbon nanotubes using Raman spectra taken with different laser-excitation energies
文献类型：期刊论文
| 作者 | F. Li ; S. G. Chou ; W. C. Ren ; J. A. Gardecki ; A. K. Swan ; M. S. Unlu ; B. B. Goldberg ; H. M. Cheng ; M. S. Dresselhaus |
| 刊名 | Journal of Materials Research
 |
| 出版日期 | 2003 |
| 卷号 | 18期号:5页码:1251-1258 |
| 关键词 | scattering |
| ISSN号 | 0884-2914 |
| 中文摘要 | Double-walled carbon nanotubes (DWNTs), synthesized by the catalytic decomposition of methane, were explored by resonance Raman spectroscopy using different energies for laser excitation. Based on the radial breathing mode frequencies, the indices of the two layers of a DWNT were approximately assigned, depending on the interlayer separation of the two coaxial layers of the DWNT, which ranged from 0.34 to 0.40 nm. From the tentatively assigned results, it was found that the two walls of the DWNT are not strongly selected by chirality and diameter. The results, however, suggest that, for the tubes that are resonant with the available laser excitation energies, most of the outer layers of the observed DWNTs in our samples are semiconducting, while the inner layers of the observed DWNTs are either semiconducting or metallic based on the assembled DWNTs. The characteristics of the G, D, and G' band of the DWNTs are discussed, and a double peak feature in the D and G' band, originating from the inner and outer layers of the DWNTs, is reported. |
| 原文出处 | |
| 公开日期 | 2012-04-14 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/35884]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | F. Li,S. G. Chou,W. C. Ren,et al. Identification of the constituents of double-walled carbon nanotubes using Raman spectra taken with different laser-excitation energies[J]. Journal of Materials Research,2003,18(5):1251-1258. |
| APA | F. Li.,S. G. Chou.,W. C. Ren.,J. A. Gardecki.,A. K. Swan.,...&M. S. Dresselhaus.(2003).Identification of the constituents of double-walled carbon nanotubes using Raman spectra taken with different laser-excitation energies.Journal of Materials Research,18(5),1251-1258. |
| MLA | F. Li,et al."Identification of the constituents of double-walled carbon nanotubes using Raman spectra taken with different laser-excitation energies".Journal of Materials Research 18.5(2003):1251-1258. |
入库方式： OAI收割
来源：金属研究所
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