Ultrafast Relaxation Dynamics of Photoexcited Carriers in Metallic and Semiconducting Single-walled Carbon Nanotubes(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)

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概要

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• We have investigated carrier relaxation dynamics in both metallic and semiconducting single-walled carbon nanotubes by means of femtosecond pump-probe experiments. The femtosecond excitation pulse bleaches the absorption bands of both metallic and semiconducting tubes. In the metallic tubes, the change in the absorption spectra vary from bleaching to broadening. The relaxation aspects of the spectral features change from internal thermalization to electron temperature cooling In the semiconducting tubes, the nonradiative channel governes the recovery behavior via trapping at defects in the SWNTs

• 社団法人日本物理学会の論文
• 2004-12-15

著者

• Achiba Yoji

  Faculty Of Science Tokyo Metropolitan University

• Ichida Masao

  Faculty Of Science And Engineering Konan University:presto Jst

• Nakamura Arao

  Graduate School Of Engineering Nagoya University

• Kataura Hiromichi

  Nri Aist

• HAMANAKA Yasushi

  Graduate School of Engineering, Nagoya University

• KATAURA Hiromichi

  NRI, AIST

• Hamanaka Yasushi

  Graduate School Of Engineering Nagoya University

関連論文

• Ultrafast Relaxation Dynamics of Photoexcited Carriers in Metallic and Semiconducting Single-walled Carbon Nanotubes(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
• 13C-NMR Shift of Highly Concentrated Metallic and Semiconducting Single-Walled Carbon Nanotubes

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