Surface-induced nano-generator utilizing a thermo-responsive smart window based on ionic liquid aqueous solution that exhibits lower critical solution temperature type phase separation

被引：0

作者：

Goda, Kazuya ^{[1
]}

Kataoka, Wataru ^{[1
]}

Araki, Rina ^{[1
]}

机构：

[1] Department Electrical Engineering, Faculty of Engineering, Sanyo-Onoda City University, 1-1-1 Daigaku-Dori, Yamaguchi, Sanyo-Onoda

来源：

Journal of Ionic Liquids | 2024年 / 4卷 / 02期

关键词：

Ionic Liquid; LCST type phase separation; Nano-generator; Surface pinning effect; Thermo-responsive smart window;

D O I：

10.1016/j.jil.2024.100123

中图分类号：

学科分类号：

摘要：

We demonstrate a surface-induced nano-generator utilizing a thermo-responsive smart window based on ionic liquid aqueous solution that exhibits lower critical solution temperature (LCST) type phase separation. This smart window was fabricated by filling an aqueous solution of [nBu4P][CF3COO] between the glass substrates coated with two different polymers: a polyimide with an alkyl side chain and an amorphous fluoropolymer. Below the LCST, the transmittance of the smart window was 87 %, nearly identical to that of a glass substrate. In contrast, when heated above the LCST, the [nBu4P][CF3COO] aqueous solution undergoes phase separation, causing the [nBu4P] cations and [CF3COO] anions to adsorb onto the polyimide with the alkyl side chain and the amorphous fluoropolymer facilitated by the surface pinning effect. This adsorption process results in the smart window generating electricity while transitioning to an opaque state. Therefore, the proposed smart window functions as an electricity-generating thermo-responsive device that can switch between transparent and opaque states in response to temperature changes. © 2024 The Authors

引用

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