In-situ infrared spectroscopy of a photoirradiated potassium-doped C60 film

被引:24
作者
Onoe, J
Hashi, Y
Esfarjani, K
Hara, T
Kawazoe, Y
Takeuchi, K
机构
[1] RIKEN, Inst Phys & Chem Res, Appl Laser Chem Lab, Wako, Saitama 3510198, Japan
[2] Hitachi Tohoku Software, Ctr Res & Dev, Aoba Ku, Sendai, Miyagi 9800014, Japan
[3] Tohoku Univ, Inst Mat Res, Aoba Ku, Sendai, Miyagi 9808527, Japan
关键词
D O I
10.1016/S0009-2614(99)01224-5
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Photodimerization between C-60 molecules in a potassium-doped C60 film (a mixture of alpha-60 and K3C60 phases) has been investigated using in-situ Fourier-transform (FT) infrared spectroscopy in combination with tight-binding molecular dynamics calculations. A comparison of the experimental spectrum of C-60 dimers, which was found to be a main product in the photoirradiated K-doped film using an FT mass spectrometer, with the theoretical spectra for several isomers of C-120 suggests that C-120 species with structures similar to a bucky peanut were formed in the photoirradiated film. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:19 / 24
页数:6
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