A self-assembled aza-BODIPY linked dicyanostilbenzene with a large Stokes shift, AIE, mechanochromism and singlet oxygen yield

被引：6
|
作者：
Ding, Wei [1 ]
Chen, Shibo [1 ]
Du, Xuyang [1 ]
Cheng, Xiaohong [1 ,2 ]
机构：
[1] Yunnan Univ, Sch Chem Sci & Technol, Key Lab Med Chem Nat Resource, Minist Educ, Kunming 650091, Peoples R China
[2] Yunnan Univ, Key Lab Med Chem Nat Resources, Kunming, Peoples R China
来源：
JOURNAL OF MOLECULAR LIQUIDS | 2022年 / 363卷
基金：
中国国家自然科学基金;
关键词：
Self-assembly; Liquid crystal; Organogel; AIE; Mechanochromism; Singlet oxygen yield; AGGREGATION-INDUCED EMISSION; STIMULI-RESPONSIVE FLUORESCENCE; EFFICIENT PHOTOSENSITIZERS; LIQUID-CRYSTALS; ROOM-TEMPERATURE; HIGHLY EFFICIENT; EXCITED-STATES; QUANTUM YIELDS; CYANOSTILBENE; LUMINESCENCE;
D O I：
10.1016/j.molliq.2022.119906
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A novel polycatenar liquid crystal containing two a-cyanostilbene (CS) interconnected by an aza-BODIPY core and three alkoxy chains at each end has been prepared via Suzuki coupling and Knoevenagel reac-tions as key steps. This compound can self-assemble into the enantiotropic columnar phase with p4mm lattice and organogels with different morphologies. Such NIR compound displays a large Stokes shift and AIE effect. It possesses a certain singlet oxygen yield. The CS units also endow such compound mechan-ochromic luminescence (MCL) responsive property. These properties have been verified by theoretical calculation.(c) 2022 Elsevier B.V. All rights reserved.
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页数：11
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