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    题名: Interfacial interaction of gas molecules and single-walled carbon nanotubes
    作者: Zhong, Jun;Chiou, Jauwern;Dong, Chungli;Glans, Per-Anders;Pong, Way-Faung;Chang, Chinglin;Wu, Ziyu;Guo, Jinghua
    贡献者: 淡江大學物理學系暨研究所
    日期: 2012-05
    上传时间: 2014-03-06 16:04:46 (UTC+8)
    出版者: College Park: American Institute of Physics
    摘要: The interfacial interaction between single-walled carbon nanotubes(SWNTs) and various gas molecules (H2, He, and N2) at different pressures has been probed by in situx-rayabsorption near-edge structure(XANES)spectroscopy. Experimental results reveal the different strength of interfacial interaction (involving external and internal collisions) between SWNTs and various gas molecules under different pressures. At gas pressures higher than 5 Torr, the unoccupied states of SWNTs show some features corresponding to the structure deformation with a reversible behavior when cycling under vacuum and gas conditions. The XANES study for different gases (H2, He, and N2) shows a strong dependence of gas molecular weight, which provides experimental evidence to the gas scattering mechanism.
    關聯: APPLIED PHYSICS LETTERS 100(20), 201605(4pages)
    DOI: 10.1063/1.4718421
    显示于类别:[物理學系暨研究所] 期刊論文

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