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Morphology, diameter distribution and Raman scattering measurements of double-walled carbon nanotubes synthesized by catalytic decomposition of methane
W. C. Ren; F. Li; J. A. Chen; S. Bai; H. M. Cheng
2002
发表期刊Chemical Physics Letters
ISSN0009-2614
卷号359期号:3-4页码:196-202
摘要Double-walled carbon nanotubes (DWNTs) were synthesized by catalytic decomposition of methane in the presence of Fe catalyst at 1373 K. The microstructure of the as-prepared DWNTs was characterized by high-resolution transmission electron microscopy (HRTEM) and resonant laser Raman spectroscopy. HRTEM observations revealed that the dominant type of the as-prepared product was DWNTs, which are mostly bundle-like. A triangular lattice arrangement of DWNTs in a DWNT bundle was observed. The as-prepared DWNTs show corresponding peaks from resonant Raman spectra of the radial breathing mode (RBM), which are considered to be associated with inner tubes as well as outer tubes of the DWNTs. The outer and inner tube diameters of the DWNTs, as determined from HRTEM images. are in the range of 1.6-3.6 and 0.8-2.8 nm. in agreement with the results from the resonant Raman scattering measurements. Moreover, the interlayer spacing of DWNTs is not a constant. ranging from 0.34 to 0.41 nm. (C) 2002 Elsevier Science B.V. All rights reserved.
部门归属chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. sichuan inst light ind & chem technol, zigong 643033, peoples r china.;cheng, hm (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china
关键词Large-scale Hydrocarbons
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WOS记录号WOS:000176628900004
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被引频次:137[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/36404
专题中国科学院金属研究所
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W. C. Ren,F. Li,J. A. Chen,et al. Morphology, diameter distribution and Raman scattering measurements of double-walled carbon nanotubes synthesized by catalytic decomposition of methane[J]. Chemical Physics Letters,2002,359(3-4):196-202.
APA W. C. Ren,F. Li,J. A. Chen,S. Bai,&H. M. Cheng.(2002).Morphology, diameter distribution and Raman scattering measurements of double-walled carbon nanotubes synthesized by catalytic decomposition of methane.Chemical Physics Letters,359(3-4),196-202.
MLA W. C. Ren,et al."Morphology, diameter distribution and Raman scattering measurements of double-walled carbon nanotubes synthesized by catalytic decomposition of methane".Chemical Physics Letters 359.3-4(2002):196-202.
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