REACTION-MECHANISM FOR THE PHOTOPOLYMERIZATION OF SOLID FULLERENE C-60

被引:202
作者
ZHOU, P [1 ]
DONG, ZH [1 ]
RAO, AM [1 ]
EKLUND, PC [1 ]
机构
[1] UNIV KENTUCKY, CTR APPL ENERGY RES, LEXINGTON, KY 40506 USA
关键词
D O I
10.1016/0009-2614(93)87069-F
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
A photochemical ''2 + 2 cycloaddition'' reaction is proposed to drive the photopolymerization of pristine solid C60. This mechanism proceeds via the triplet T1 state and exhibits a temperature threshold near 250 K, close to the orientational ordering transition of solid C60. Below this threshold, the topochemical requirement of reactive double bond alignment on adjacent C60 molecules becomes improbable, thereby suppressing the reaction rate.
引用
收藏
页码:337 / 340
页数:4
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