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Crystallization and temperature-dependent structure deflection of C(6)mimBr ionic liquid intercalated in LAPONITE (R)
Jiang, Fangling1; Li, Cheng1; Guo, Xiaojing1; Fu, Haiying1; Wu, Guozhong1; Chen, Shimou2
2016
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume6Issue:100Pages:98018-98025
Abstract

The physicochemical properties of large molecules confined in nanopores are expected to be different from those of the bulk. This study investigates the cation-anion relative position and the molecular orientation of the 1-hexyl-3-methylimidazolium bromide (C(6)mimBr) ionic liquid intercalated in LAPONITE (R) by a temperature-dependent X-ray absorption fine structure (XAFS) and some traditional methods (TEM, DSC, XRD, and IR). DSC and TEM analyses revealed the formation of C(6)mimBr crystals intercalated in LAPONITE (R). The XAFS and XRD analyses at ambient temperature revealed that an ordered monolayer structure, with C(6)mim(+) cations intercalated in the interlayer nanospace and Br located on the edge of the LAPONITE (R), was formed when ILs were intercalated in LAPONITE (R). The results also demonstrated that the enhanced interactions, the formed hydrogen bonds, as well as the ordered monolayer arrangement induced the formation of C(6)mimBr crystals when intercalated in LAPONITE (R). In situ XAFS analysis with a combination of XRD patterns at varied temperatures revealed that the structure orientation of the intercalated C(6)mim(+) cations tends to deflect and maintain the ordered monolayer arrangement with the elevation of temperature. The ordered crystal structure still exists at 120 degrees C and disappears at a higher temperature.

SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c6ra18618a
Indexed BySCI
Language英语
WOS KeywordSOLAR-CELLS ; SURFACE ; BEHAVIOR ; SILICA ; DYE ; GEL ; DYNAMICS ; PHASES ; GLASS ; CLAY
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China(11079007 ; 21306220 ; 21276257 ; 91534109)
WOS IDWOS:000386312700063
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21581
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Fangling,Li, Cheng,Guo, Xiaojing,et al. Crystallization and temperature-dependent structure deflection of C(6)mimBr ionic liquid intercalated in LAPONITE (R)[J]. RSC ADVANCES,2016,6(100):98018-98025.
APA Jiang, Fangling,Li, Cheng,Guo, Xiaojing,Fu, Haiying,Wu, Guozhong,&Chen, Shimou.(2016).Crystallization and temperature-dependent structure deflection of C(6)mimBr ionic liquid intercalated in LAPONITE (R).RSC ADVANCES,6(100),98018-98025.
MLA Jiang, Fangling,et al."Crystallization and temperature-dependent structure deflection of C(6)mimBr ionic liquid intercalated in LAPONITE (R)".RSC ADVANCES 6.100(2016):98018-98025.
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