High circularly polarized luminescence brightness from analogues of Shibasaki's lanthanide complexes

被引：55

作者：

Deng, Min ^{[1
]}

Schley, Nathan D. ^{[2
]}

Ung, Gael ^{[1
]}

机构：

[1] Univ Connecticut, Dept Chem, Storrs, CT 06269 USA

[2] Vanderbilt Univ, Dept Chem, Nashville, TN 37235 USA

来源：

CHEMICAL COMMUNICATIONS | 2020年 / 56卷 / 94期

关键词：

BINOLATE COMPLEXES; SUBSTRATE-BINDING; ENANTIOPURE; LI-3(THF)(N)(BINOLATE)(3)LN; REACTIVITY; EXCHANGE; PROBES; EU; SM;

D O I：

10.1039/d0cc06568d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

To reach the promising potential of circularly polarized luminescence (CPL) emitters, high CPL brightness must be achieved. We describe the synthesis of analogues of the C-3-symmetrical Shibasaki's lanthanide complexes (Sm, Tb, Dy) supported by enantiopure 5,5 ',6,6 ',7,7 ',8,8 '-octahydro-1,1 '-bi-2-naphthol (H-8-Binol). The complexes exhibit visible luminescence in solution with exceptionally high quantum yields for Sm (4%) and Dy (17%), and strong circularly polarized luminescence for Sm, Tb, and Dy (|g(lum)| up to 0.44, 0.32, 0.33, respectively). Altogether, these complexes possess amongst the strongest CPL brightness reported to date in lanthanide molecular complexes (up to 782 M-1 cm(-1) for Tb).

引用

收藏

页码：14813 / 14816

页数：4

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