期刊
CHEMICAL PHYSICS LETTERS
卷 712, 期 -, 页码 30-33出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2018.09.046
关键词
Room-temperature ionic liquids; Anion effect; Crossover behavior between ionic and organic nature; Nanoheterogeneity
Anion effects on phase behaviors of 1-butyl-3-methylimidazolium ([C(4)mim](+)) and 1-hyexyll-3-methylimidazolium ([C(6)mim](+)) based room-temperature ionic liquids (RTILs) were examined at low temperature (LT). By simultaneous X-ray diffraction and differential scanning calorimetry measurements, solid phases were determined at LT. Depending on the molecular interactions, amorphization, crystallization, and cold crystallization were clearly distinguished. In the solid phases, the anion effect differs significantly from the alkyl chain length effect of the 1-alkyl-3-methylimidazolium cations, [C(n)mim](+).
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