Syntheses and efficient phosphorescence of ionic silver(I) complexes based on benzothiazole-phosphine ligands

被引：1

作者：

Liu, Rui ^{[1
]}

Liu, Chunmei ^{[1
]}

Xiao, Jiacheng ^{[1
]}

Sun, Xiaoli ^{[2
]}

Yan, Mengzhen ^{[1
]}

Du, Chenxia ^{[1
]}

Zhang, Bin ^{[1
]}

机构：

[1] Zhengzhou Univ, Coll Chem, Zhengzhou 450001, Peoples R China

[2] Henan Inst Durg & Med Device Inspect, Zhengzhou 450018, Peoples R China

来源：

INORGANICA CHIMICA ACTA | 2024年 / 568卷

基金：

中国国家自然科学基金;

关键词：

Silver(I) complex; Benzothiazole; Phosphorescence; ACTIVATED DELAYED FLUORESCENCE; AG(I) COMPLEXES; ARYL-BENZOTHIAZOLES; PHOTOLUMINESCENCE; LUMINESCENCE;

D O I：

10.1016/j.ica.2024.122108

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two ionic mononuclear silver(I) complexes ( 1 and 2 ) with formula of [Ag(N<^>P)(Xantphos)]SbF 6 , where N<^>P = 2 - (benzo[ d ]thiazol) -2 -yl) diphenylphosphine derivatives, Xantphos = 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene, have been synthesized and characterized. Single crystal analysis reveals that the geometries around Ag(I) centers adopt distorted tetrahedron ( 1 ) and trigonal planar ( 2 ). In powder at 298 K, these complexes exhibit bright emissions with high photo -luminescent quantum yields of 55.2 % ( 1 ) and 46.7 % ( 2 ) and lifetimes of 0.426 ms ( 1 ) and 1.87 ms ( 2 ), respectively. The results suggested that these complexes containing bulky benzothiazole phosphine can realize efficient long-lived phosphorescence.

引用

页数：6

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