Poly(quinoxaline-2,3-diyl) as a Multifunctional Chiral Scaffold for Circularly Polarized Luminescent Materials: Color Tuning, Energy Transfer, and Switching of the CPL Handedness

被引：85
作者：
Nishikawa, Tsuyoshi [1 ]
Nagata, Yuuya [1 ]
Suginome, Michinori [1 ]
机构：
[1] Kyoto Univ, Grad Sch Engn, Dept Synthet Chem & Biol Chem, Kyoto 6068501, Japan
来源：
ACS MACRO LETTERS | 2017年 / 6卷 / 04期
关键词：
PI-CONJUGATED MOLECULES; HELICAL POLY(QUINOXALINE-2,3-DIYL)S; ENANTIOSELECTIVE SYNTHESIS; SIDE-CHAINS; POLYMER; INVERSION; LIGAND; LIGHT; FILMS;
D O I：
10.1021/acsmacrolett.7b00131
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Random poly(quinoxaline-2,3-diyl) copolymers, containing achiral 5,8-diarylquinoxaline units and chiral units bearing (S)-2-butoxymethyl groups, exhibited circularly polarized luminescence (CPL). The emission color was fully tunable by changing the aryl substituents on the 5,8-diarylquinoxaline units. An energy transfer from the quinoxaline main chain to the 5,8-diarylquinoxaline units was observed. The handedness of the CPL was dependent on the helical chirality of the polymer main chain, which could be switched by changing the solvent from CHCI3 to 1,1,2-trichloroethane or n-octane to cyclooctane, depending on the chiral side chain.
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收藏
页码：431 / 435
页数：5
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