[Ln4] complexes based on 8-hydroxylquinoline-schiff base: Synthesis, crystal structure and near-infrared emission

被引：2

作者：

Gou, Jian ^{[1
,2
]}

Yang, Qian-Qi ^{[1
]}

Li, Si-Yu ^{[1
]}

Zhao, Li-Hua ^{[4
]}

Gao, Hong-Ling ^{[1
,3
]}

Cui, Jian-Zhong ^{[1
,3
]}

机构：

[1] Tianjin Univ, Dept Chem, Tianjin 300354, Peoples R China

[2] Henan Polytech Univ, Coll Chem & Chem Engn, Jiaozuo 454000, Henan, Peoples R China

[3] Nankai Univ, Minist Educ, Key Lab Adv Energy Mat Chem, Tianjin 300071, Peoples R China

[4] Tianjin Univ, Renai Coll, Tianjin 301636, Peoples R China

来源：

POLYHEDRON | 2021年 / 201卷 / 201期

基金：

中国国家自然科学基金;

关键词：

Lanthanide complexes; 8-hydroxylquinoline-schiff base; Near-infrared luminescence; Energy transfer; Er3+; INTRAMOLECULAR ENERGY-TRANSFER; UP-CONVERSION; TRIS(2-THENOYLTRIFLUOROACETONATO)LANTHANIDE(III) COMPLEXES; LUMINESCENT MATERIALS; LANTHANIDE COMPLEXES; FLUORESCENCE; FIELD; COORDINATION; SENSITIZERS; BEHAVIOR;

D O I：

10.1016/j.poly.2021.115165

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Five lanthanide-containing complexes, featured with the structural formula of [Ln(4)(L-1)(4)(L)(6)(mu(3)-OH)(2)]center dot m (CH3CN) and a related binuclear Yb-based complex, were synthesized and structurally characterized (HL = 5-(2-furanimino)-8-hydroxylquinoline; HL1 represents for beta-diketone ligand). The solid-state near-infrared fluorescence was also tested. Complex 3 emits characteristic near-infrared luminescence of the corresponding Er3+ ions when excited by ultraviolet spectrum of 350 nm, which demonstrates the efficient energy transfer from the excited triplet states of the ligands to the central Er3+ ions. (C) 2021 Published by Elsevier Ltd.

引用

页数：7

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