Heteroleptic Cu(I) Phenanthroline Complexes Bearing Benzoxazole and Benzothiazole Moieties for Visible Light Absorption

被引：5

作者：

Takeda, Hiroyuki ^{[1
,2
]}

Shimo, Makoto ^{[2
]}

Yasuhara, Gai ^{[2
]}

Kobori, Ken ^{[2
]}

Asano, Motoko S. ^{[2
]}

Amao, Yutaka ^{[1
]}

机构：

[1] Osaka City Univ, Res Ctr Artificial Photosynth, Sumiyoshi Ku, 3-3-138 Sugimoto, Osaka 5588585, Japan

[2] Gunma Univ, Fac Sci & Technol, Div Mol Sci, 1-5-1 Tenjin, Kiryu, Gumma 3768515, Japan

来源：

CHEMISTRY LETTERS | 2022年 / 51卷 / 01期

关键词：

Cu(I) complex; Visible-light absorption; Photosensitizer; EXCITED-STATE; PHOTOSENSITIZERS; REDUCTION; EMISSION; DIIMINE;

D O I：

10.1246/cl.210583

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Three kinds of heteroleptic Cu(I) complexes having a phenanthroline-based ligand acting as a chromophore and bearing benzoxazole, benzothiazole, and thiazole moieties were synthesized. Introduction into the phenanthroline ligands of electron-withdrawing five-membered aryl groups caused large red-shifts in the metal-to-ligand charge transfer bands, showing visible light absorption up to 500 nm. The obtained Cu(I) complexes exhibited emissions with quantum yields of 0.01-0.04 and long lifetimes of 0.4-3 mu s.

引用

页码：69 / 72

页数：4

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