Magnetic Alignment in Solid State and Temperature Hysteresis in Aqueous Tetrahydrofuran Solution for Tetrathiafulvaleno[18]annulenes
Magnetic Alignment in Solid State and Temperature Hysteresis in Aqueous Tetrahydrofuran Solution for Tetrathiafulvaleno[18]annulenes
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DOI：
10.1002/cphc.200900545
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发表时间：
2009-10-19
期刊：
影响因子：
2.9
通讯作者：
Iyoda, Masahiko
中科院分区：
文献类型：
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作者：
Enozawa, Hideo;Hasegawa, Masashi;Iyoda, Masahiko
三(四硫富瓦烯)十二氢[18]轮烯六酯具有多功能性，对酯侧链的微小差异非常敏感。 [18]轮烯在 THF-H2O（v/v，1:1）等两亲性介质中的自聚集要么产生纤维结构，要么导致颜色和 H-1 NMR 信号的温度滞后。溶液中的这种温度滞后现象是由于 THF 和水的二元溶液中强烈的自聚集行为和独特的簇形成造成的。
Tris(tetrathiafulvaleno)dodecadehydro[18]annulene-hexaesters have a multi-functionality that is very sensitive to small differences in the ester side-chain. Self-aggregation of the [18]annulenes in amphiphilic media such as THF-H2O (v/v, 1:1) either produce a fibrous structure or result in temperature hysteresis of the color and H-1 NMR signals. This temperature hysteresis in solution is due to both strong self-aggregation behavior and unique cluster formation in a binary solution of THF and water.