Reflectance spectra of individual single-walled carbon nanotubes
作者： Hualing Zeng , Liying Jiao , Xiaojun Xian , Xingcai Qin , Zhongfan Liu
DOI: 10.1088/0957-4484/19/04/045708
关键词: Optics 、 Density of states 、 Materials science 、 Carbon nanotube 、 Optical properties of carbon nanotubes 、 Reflectivity 、 Molecular physics 、 Spectral line
摘要: We report backscattering spectroscopic measurements on individual single-walled carbon nanotubes (SWNTs). The reflectance spectra show geometry-dependent resonant peaks corresponding to optical transitions between Van Hove singularities in the SWNTs' joint density of states. All display certain colours as their demonstrate strong energy dependence. This approach was proved be an effective tool for probing geometric structures and properties SWNTs.
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