Synthesis,optical properties and self-organization of blue-emitting butterfly-shaped dithienobenzosiloles
Synthesis, optical properties and self-organization of blue-emitting butterfly-shaped dithienobenzosiloles作者机构：Shanghai Key Lab of Chemical Assessment and SustainabilitySchool of Chemical Science and EngineeringTongji UniversityShanghai 200092China
出 版 物：《Chinese Chemical Letters》 (中国化学快报（英文版）)
年 卷 期：2022年第33卷第9期
页 面：4306-4312页
核心收录：
学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070303[理学-有机化学] 0703[理学-化学]
基 金：supported by the National Natural Science Foundation of China(No.21501135)
主 题：Dithienobenzosilole Luminogen Double-cyclisation Blue-emitting Photo-stability
摘 要：Ten novel butterfly-shaped dithienobenzosilole-based luminogens,which are peripherally installed with a variety of substituents including hydrogen,phenyl and substituted phenyl groups,have been readily prepared via an iodine-induced intramolecular electrophilic double-cyclisation reaction and subsequent deiodination or coupling *** optical and electrochemical properties of these compounds were systematically investigated to clarify the relationships between their structures and properties,supported by theoretical *** compounds exhibit deep-blue to sky-blue emissions and high photoluminescence quantum yields up to 0.84 in solution and solid states which are regulated by the functional blades and their steric hindrance on theα–andβ–positions of thiophene *** high thermal-and photo-stabilities have been revealed and mainly attributed to the dithienobenzosilole core.
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