Towards understanding the color change of 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide during gamma irradiation: an experimental and theoretical study
Wang, SO; Liu, JZ; 袁立永;Yuan, LY; Cui, ZP; Peng, J; Li, JQ; Zhai, ML; Liu, WJ
刊名PHYSICAL CHEMISTRY CHEMICAL PHYSICS
2014
卷号16期号:35页码:18729-18735
学科分类Chemistry; Physics
DOI10.1039/c4cp01905a
英文摘要The application of room-temperature ionic liquids (RTILs) in nuclear spent fuel recycling requires a comprehensive knowledge of radiation effects on RTILs. Although preliminary studies indicate a relatively high radiation stability of RTILs, little attention is paid to the color change of RTILs, an obvious phenomenon of RTILs during irradiation. In this paper, we have investigated radiation-induced darkening and decoloration of 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide ([BMIm][NTf2]), an ionic liquid representing the most popular class of RTILs, by means of UV-Vis analysis and time-dependent density functional theory calculations. Based on the experimental and computational results, it is proposed that the color change of [BMIm][NTf2] upon irradiation originates from the formation of double bonds in the aliphatic chains of pristine organic cations (or radiolytic products of RTILs) and various associated species containing these "doublebond products''. This work sheds light on the understanding of the radiation-induced color change of RTILs.
收录类别SCI
WOS记录号WOS:000341295500011
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225251
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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Wang, SO,Liu, JZ,袁立永;Yuan, LY,et al. Towards understanding the color change of 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide during gamma irradiation: an experimental and theoretical study[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2014,16(35):18729-18735.
APA Wang, SO.,Liu, JZ.,袁立永;Yuan, LY.,Cui, ZP.,Peng, J.,...&Liu, WJ.(2014).Towards understanding the color change of 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide during gamma irradiation: an experimental and theoretical study.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,16(35),18729-18735.
MLA Wang, SO,et al."Towards understanding the color change of 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide during gamma irradiation: an experimental and theoretical study".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 16.35(2014):18729-18735.
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