Natural Light-Regulated Switchable Self-Adhesive Supramolecular Films for Smart Windows

被引:7
|
作者
Luo, Sha [1 ]
Zheng, Bo [2 ]
Dong, Shengyi [1 ]
机构
[1] Hunan Univ, Coll Chem & Chem Engn, Changsha 410082, Peoples R China
[2] Northwest Univ, Coll Chem & Mat Sci, Xian Key Lab Funct Supramol Struct & Mat, Xian 710069, Peoples R China
基金
中国国家自然科学基金;
关键词
reverse photochromism; smart windows; spiropyrans; supramolecular adhesives; supramolecular films; DESIGN; SPIROPYRAN; HYDROGELS; DEVICES;
D O I
10.1002/chem.202301277
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Switchable self-adhesive films are promising coating materials for constructing smart windows. Compared to commonly used hydrogels, self-adhesive supramolecular films have a variety of advantages and serve as a universal carrier of stimuli-responsiveness. In this study, supramolecular adhesive material is processed into self-adhesive films, which display tough and long-term stable adhesion to commercially available organic/inorganic glass windows. Spiropyrans are used as the photo-responsive units to endow smart windows with switchable optical behavior. Reverse photochromism is successfully realized by the combination of supramolecular films and spiropyrans. Reversible and rapid transformations in the color and transmittance of smart windows are fully achieved by natural light irradiation in different weather conditions, including sun, rain, and clouds.
引用
收藏
页数:8
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