e-beam irradiation effects on IR absorption bands in single-walled carbon nanotubes
M Ichida, K Nagao, Y Ikemoto, T Okazaki… - Solid State …, 2017 - Elsevier
We have measured the absorption and Raman spectral change induced by the irradiation of
e-beam. By the irradiation of e-beam on SWNTs thin films, the intensity of defect related
Raman band increase, and the peak energy of IR absorption bands shift to the higher
energy side. These results indicate that the origin of infrared band is due to the plasmon
resonance of finite-length SWNT. We have estimated the effective tube length and defect
density from IR absorption peak energy.
e-beam. By the irradiation of e-beam on SWNTs thin films, the intensity of defect related
Raman band increase, and the peak energy of IR absorption bands shift to the higher
energy side. These results indicate that the origin of infrared band is due to the plasmon
resonance of finite-length SWNT. We have estimated the effective tube length and defect
density from IR absorption peak energy.
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