作者:Kazuki Iwasaki、Kazuki Yoshii、Seiji Tsuzuki、Hajime Matsumoto、Tetsuya Tsuda、Susumu Kuwabata
DOI:10.1021/acs.jpcb.6b06990
日期:2016.9.8
designable basic anion structure. Various [ArBF3](-)-based anions were synthesized to create novel alkali metal salts using a simple and safe process. Nearly 40 novel alkali metal salts were successfully obtained, and their physicochemical characteristics, particularly their thermal properties, were elucidated. These salts have lower melting points than those of simple inorganic alkali halide salts, such
三氟硼酸芳基酯([ArBF3](-))具有可设计的碱性阴离子结构。合成了多种基于[ArBF3](-)的阴离子,使用一种简单且安全的方法即可生成新型碱金属盐。成功获得了近40种新型碱金属盐,并阐明了其理化特性,特别是其热性能。这些盐的熔点比简单的无机碱式卤化物盐(如KCl和LiCl)的熔点低,这是因为碱金属阳离子与[ArBF3](-)阴离子之间的相互作用较弱,且阴离子的熵较大。此外,有趣的是,在433 K下,(甲基-乙氧基苯基)三氟硼酸钾(K [m-OEtC6H4BF3])熔融盐中的钾阳离子被电化学还原。这些发现在很大程度上促进了熔融盐化学,离子液体化学,