PHOTOINDUCED POLYMERIZATION AND OXIDATION OF C-60 OBSERVED BY PHOTOELECTRON-SPECTROSCOPY

被引:85
作者
ITO, A [1 ]
MORIKAWA, T [1 ]
TAKAHASHI, T [1 ]
机构
[1] TOHOKU UNIV,DEPT PHYS,SENDAI,MIYAGI 980,JAPAN
关键词
D O I
10.1016/0009-2614(93)87068-E
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
It was found by photoelectron spectroscopy that C60 molecules undergo polymerization and oxidation upon ultraviolet light irradiation. It was observed that UV light is more effective than visible light in the photo-induced transformation, suggesting that the process is initiated by excitation of electrons beyond the energy pp between the HOMO and the LUMO bands of C60. It was also found that oxygen molecules absorbed in solid C60 play a key role in the photo-induced oxidation process.
引用
收藏
页码:333 / 336
页数:4
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