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领域: | 纳米材料 | ||
样品: | 碳纳米管 | 项目: | 结构(手性等),化学性质 |
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碳纳米管——拉曼光谱能提供什么信息? |
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This note demonstrates that depending on the configuration of the Raman system used, one can extract different types of information about Carbon Nanotubes. A multiexcitation, low frequency, high spectral and spatial resolution Raman system is the best solution to collect the maximum information. Raman has shown a high potential in characterising the SWCNTs ‘ structure. The correlation between knowledge about structure with physical and chemical properties about the tubes make the technique extremely powerful to control the quality of the SWCNTs for specific applications. Raman spectrometer capabilities like spatial resolution, spectral resolution and excitation wavelength versatility have been examined. Beside Raman, preliminary fluorescence studies are describing the potential of the technique.