Laser photolysis of ionic liquid [bmim][PF6]

被引：7
|
作者：
Zhu, Guanglai [1 ,2 ,3 ]
Wu, Guozhong [1 ]
Long, Dewu [1 ,3 ]
Sha, Maolin [1 ,3 ]
Yao, Side [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
[2] Anhui Normal Univ, Inst Atom & Mol Phys, Wuhu 241000, Peoples R China
[3] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
来源：
NUCLEAR SCIENCE AND TECHNIQUES | 2007年 / 18卷 / 01期
基金：
中国国家自然科学基金;
关键词：
bmim][PF6; laser flash photolysis; triplet state; photoionization;
D O I：
10.1016/S1001-8042(07)60011-6
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
Photoinduced chemical reactions of 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim][PF6]) were studied by laser photolysis at a wavelength of 266nm. Excited triplet state (3)[bn-dm](+)* was observed, radical cation [bmim](2+)* and neutral [bmim]* radical via photoionization were also formed. Energy transfer from (3)[bmim](+)* to beta-carotene was confirmed. Oxidation via one electron transfer from TMPD to (3)[bmim](+)* was also observed and the rate constant was determined to be 1.2 x 10(5) L.mol(-1).s(-1). The reaction of [bmim][PF6] with hydrated electron (e(aq)(-)) was confirmed by laser photolysis in aqueous solution.
引用
收藏
页码：16 / 19
页数：4
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