期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 59, 期 3, 页码 1228-1231出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201913672
关键词
carbenes; circularly polarized luminescence; copper; transition-metal complexes
资金
- University of Connecticut
The synthesis of chiral C-1-symmetrical copper(I) complexes supported by chiral carbene ligands is described. These complexes are yellow emitters with modest quantum yields. Circularly polarized luminescence (CPL) spectra show a polarized emission band with dissymmetry factors |g(lum)|=1.2x10(-3). These complexes are the first reported examples of molecular copper(I) complexes exhibiting circularly polarized luminescence. In contrast with most CPL-emitting molecules, which possess either helical or axial chirality, the results presented show that simple chiral architectures are suitable for CPL emission and unlock new synthetic possibilities.
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