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首页> 外文期刊>Physica status solidi, B. Basic research >Effect of nitrogen doping on Raman spectra of multi-walled carbon nanotubes
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Effect of nitrogen doping on Raman spectra of multi-walled carbon nanotubes

机译：氮掺杂对多壁碳纳米管拉曼光谱的影响

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Multi-walled carbon nanotubes (CNTs) and nitrogen-doped carbon (CNx) nanotubes have been synthesized by the aerosol-assisted chemical vapour deposition (CVD) method. The samples were prepared from toluene and acetonitrile taken in different proportion. The structure of CNTs and CNx nanotubes was compared using first- and second-order Raman spectra. The disorder-induced D band was found to up-shift with increase of the acetonitrile fraction. The I-D/I-G and I-G/I-G ratios showed the opposite dependence on the doping level of CNTs. Both kinds of the substitute nitrogen: graphitic-like and pyridinic-like contribute to the disorder in CNx nanotube layers. [GRAPHICS] The first- and second-order Raman spectra of CNTs produced from toluene and CNx nanotubes produced from acetonitrile. (C) 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
机译：多壁碳纳米管（CNTs）和氮掺杂碳（CNx）纳米管已通过气溶胶辅助化学气相沉积（CVD）方法合成。样品由甲苯和乙腈按不同比例制备。使用一阶和二阶拉曼光谱比较了CNT和CNx纳米管的结构。发现该疾病诱导的D带随乙腈部分的增加而上移。 I-D / I-G和I-G / I-G比率显示出对CNT掺杂水平的相反依赖性。两种替代氮：类似石墨的和类似吡啶的氮都有助于CNx纳米管层的无序。 [图]由甲苯产生的CNT和由乙腈产生的CNx纳米管的一阶和二阶拉曼光谱。 （C）2008 WILEY-VCH Verlag GmbH＆Co.KGaA，Weinheim

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