期刊
JOURNAL OF CHEMICAL PHYSICS
卷 134, 期 12, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3569131
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资金
- U. S. Department of Energy (DOE), Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences, SISGR [DE-FG02-09ER16118]
- U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357, DE-AC02-98CH10886]
We report the structure functions obtained from x-ray scattering experiments on a series of four homologous ionic liquids. The ionic liquids are 1-alkyl-1-methylpyrrolidinium cations paired with the bis(trifluoromethylsulfonyl)amide anion, with alkyl chain lengths of n = 4, 6, 8, and 10. The structure functions display two intense diffraction peaks for values of the scattering vector q in the range from 0.6 to 1.5 angstrom(-1) for all samples. Both diffraction peaks shift to lower values of q for increasing temperature. First sharp diffraction peaks are observed in the structure functions for q < 0.5 angstrom(-1) for liquids with n = 6, 8, and 10. (C) 2011 American Institute of Physics. [doi:10.1063/1.3569131]
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