Cholesterol Decorated Diazocine Gelator with Photo-and Thermo-Responsive Properties for Smart Window  

作　　者：Yaxin Wang Yuan Yuan Shuaipeng Zhang Long Chen Yulan Chen 

机构地区：[1]Key Laboratory of Organic Integrated Circuit,Ministry of Education & Tianjin Key Laboratory of Molecular Optoelectronic Sciences,Department of Chemistry,School of Science,Tianjin University,Tianjin 300072,China [2]State Key Laboratory of Supramolecular Structure and Materials,College of Chemistry,Jilin University,Changchun,Jilin 130012,China

出　　处：《Chinese Journal of Chemistry》2024年第24期3278-3282,共5页中国化学(英文版)

基　　金：supported by the National Key R&D Program of China(Nos.2023YFB3609000 and 2022YFF1202902);the National Natural Science Foundation of China(Nos.22275068 and 21975178).

摘　　要：A new gelator(BAzo-Chol)comprising a diazocine core and two cholesterol units linked via carbamate groups has been designed and synthesized.Its gelation ability in several kinds of organic solvents is identified.Investigations with scanning electron microscopy(SEM),transmission electron microscopy(TEM),rheological measurements,and UV-vis absorption and 1H NMR spectroscopy reveal that BAzo-Chol can self-assemble into elastically interpenetrating one-dimensional nanostructures in organogels through a cooperative effect of theπ-πinteractions,hydrogen-bonding,and van der Waals forces.Moreover,the unconventional Z/E conformational transitions of these organogels,due to the inclusion of diazocine,endow the BAzo-Chol gels with excellent photo-responsive gel-sol transition and remarkable visible light-induced chromic properties.Lastly,due to its sensitive response to visible light accompanied by distinct changes in both colour and transparency of the gel-sol transitions,the potential application of the current gelator in smart windows is signified.

关 键 词：Diazocine CHOLESTEROL PHOTO-RESPONSIVE ORGANOGEL PHOTOCHROMISM Self-assembly Smart window Sol-gel processes 

分 类 号：TP3[自动化与计算机技术—计算机科学与技术]