CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
gamma-radiation effect on ionic liquid [bmim][BF4]
Qi, MY; Wu, GZ(吴国忠); Li, QM; Luo, YS; Wu, GZ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, POB 800-204, Shanghai 201800, Peoples R China
2008
Source PublicationRADIATION PHYSICS AND CHEMISTRY
ISSN0969-806X
Volume77Issue:7Pages:877
AbstractThe effect of gamma radiation on 1-butyl-3-methylimidazolium tetrafluoroborate ([bmim][BF4]) was investigated in detail. It was found that radiation induced an increase of UV absorption of the ionic liquid but no change in its glass transition point. Raman spectroscopy analysis indicates that the radiolysis of [bmim][BF4] induces detectable destruction of alkyl-chain and scission of H-atoms of ring of imidizolium cation, and the relatively small changes of BF4 anion. Viscosities of irradiated [bmim][BF4] samples were measured at different shear rates and temperatures, and compared with irradiated [bmim][PF6] samples. The plots of shear stress against shear rate indicates that [bmim][BF4] is a Newtonian fluid, no matter with irradiation. The viscosity of irradiated [bmim][BF4] decreased with increasing of temperature and followed an Arrhenius equation. However, radiation caused no change in the viscosity of [bmim][BF4], but a decrease in the viscosity of [bmim][PF6] by up to 10%. We conclude that the radiation stability of [bmim][BF4] is higher than [bmim][PF6]. (C) 2008 Elsevier Ltd. All rights reserved.
Subject AreaNuclear Science & Technology ; Physics
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000257037200006
Citation statistics
Cited Times:62[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/7736
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorWu, GZ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, POB 800-204, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Qi, MY,Wu, GZ,Li, QM,et al. gamma-radiation effect on ionic liquid [bmim][BF4][J]. RADIATION PHYSICS AND CHEMISTRY,2008,77(7):877.
APA Qi, MY,Wu, GZ,Li, QM,Luo, YS,&Wu, GZ .(2008).gamma-radiation effect on ionic liquid [bmim][BF4].RADIATION PHYSICS AND CHEMISTRY,77(7),877.
MLA Qi, MY,et al."gamma-radiation effect on ionic liquid [bmim][BF4]".RADIATION PHYSICS AND CHEMISTRY 77.7(2008):877.
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