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Laser photolysis study on photochemical reactions in mixed solutions of [bmim] [PF6] and acetonitrile
Xu, JJ(徐静静); Wu, GZ(吴国忠); Long, DW(龙德武); Yao, SD(姚思德); Xu, JJ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2007
Source PublicationSPECTROSCOPY AND SPECTRAL ANALYSIS
ISSN1000-0593
Volume27Issue:10Pages:1936
AbstractLaser flash photolysis study was carried out for the first time in the binary mixture of room-temperature ionic liquid (RTIL) and traditional organic solvent. Photochemical properties of the ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate [bmim][PF6] and its binary mixed solutions with MeCN were investigated by laser photolysis technique at an excitation wavelength of 355 nm, using anthraquinone (AQ) as a probe molecule. It was indicated that [bmim] [PF6] itself participates in the reaction with (3)AQ*. Moreover, along with the change in the ratio of RTIL to organic solvent, the decay reaction rate constant of (3)AQ* changes regularly and a critical point was observed at x(RTIL) =0.06. Before the critical point, the decay rate constant increases rapidly with increasing x(RTIL); however, it decreases obviously with increasing x(RTIL) after the critical point. The kinetic data are given, and the possible reaction mechanisms in mixed solutions are also speculated.
Subject AreaPhysics
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000250794700008
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/7765
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorXu, JJ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Xu, JJ,Wu, GZ,Long, DW,et al. Laser photolysis study on photochemical reactions in mixed solutions of [bmim] [PF6] and acetonitrile[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2007,27(10):1936.
APA Xu, JJ,Wu, GZ,Long, DW,Yao, SD,&Xu, JJ .(2007).Laser photolysis study on photochemical reactions in mixed solutions of [bmim] [PF6] and acetonitrile.SPECTROSCOPY AND SPECTRAL ANALYSIS,27(10),1936.
MLA Xu, JJ,et al."Laser photolysis study on photochemical reactions in mixed solutions of [bmim] [PF6] and acetonitrile".SPECTROSCOPY AND SPECTRAL ANALYSIS 27.10(2007):1936.
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