Dual emissive bodipy-benzodithiophene-bodipy TICT triad with a remarkable Stokes shift of 194 nm

被引:25
作者
Sengupta, Sanchita [1 ,2 ]
Pandey, Upendra K. [1 ]
机构
[1] Indian Inst Sci IISc Bangalore, Interdisciplinary Ctr Energy Res ICER, CV Raman Rd, Bangalore 560012, Karnataka, India
[2] Indian Inst Sci Educ & Res IISER Mohali, Dept Chem Sci, Sect 81,PO Manauli, Knowledge City 140306, Punjab, India
关键词
INTRAMOLECULAR CHARGE-TRANSFER; ACTIVATED DELAYED-FLUORESCENCE; AGGREGATION-INDUCED EMISSION; POLYMERS; DYES; SOLVATOCHROMISM; DESIGN; STATES;
D O I
10.1039/c8ob00272j
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
An acceptor-donor-acceptor (A-D-A) triad based on a BODIPY acceptor and a benzodithiophene donor exhibited dual fluorescence and pronounced fluorescence solvatochromism because of twisted intramolecular charge transfer (TICT) state formation. Furthermore, it showed a Stokes shift of approximate to 194 nm which is the highest known for any BODIPY compound with a readily tunable fluorescence and a high charge carrier mobility of 4.46 x 10(-4) cm(2) V-1 s(-1).
引用
收藏
页码:2033 / 2038
页数:6
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