New luminescent 10-oxybenzoquinolate complexes of rare earth metals

被引：8

作者：

Balashova, Tatyana V. ^{[1
]}

Polyakova, Svetlana K. ^{[1
]}

Ilichev, Vasily A. ^{[1
]}

Kukinov, Andrey A. ^{[1
]}

Rumyantcev, Roman V. ^{[1
]}

Fukin, Georgy K. ^{[1
]}

Grishin, Ivan D. ^{[2
]}

Yablonskiy, Artem N. ^{[3
]}

Shestakov, Alexander F. ^{[4
]}

Bochkarev, Mikhail N. ^{[1
]}

机构：

[1] Russian Acad Sci, G A Razuvaev Inst Organometall Chem, Tropinina St 49, Nizhnii Novgorod 603950, Russia

[2] Nizhnii Novgorod State Univ, Gagarina Ave 23-2, Nizhnii Novgorod 603950, Russia

[3] Russian Acad Sci, Inst Phys Microstruct, Akademicheskaya St 7, Nizhnii Novgorod 603950, Russia

[4] Russian Acad Sci, Inst Problems Chem Phys, Academician Semenov Ave 1, Chernogolovka 142432, Moscow, Russia

来源：

JOURNAL OF RARE EARTHS | 2023年 / 41卷 / 08期

关键词：

Lanthanides; Photoluminescence (PL); Electroluminescence (EL); 10-hydroxybenzo[h]quinoline; X-ray structure; Organic light-emitting diodes (OLEDs); LIGHT-EMITTING-DIODES; LANTHANIDE COMPLEXES; QUANTUM YIELDS; SCANDIUM; DESIGN;

D O I：

10.1016/j.jre.2022.05.002

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A series of Sc, Y, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Ho, Er, Tm and Yb complexes with oxybenzoquinoline ligands (BQ) was synthesized by the reactions of 10-hydroxybenzo[h]quinoline with cyclopentadienides or tris(trimethylsilyl)amides of rare earth metals. The structure, as well as the photo-and electrolumi-nescent (PL, EL) properties of these complexes in solutions and solid state were studied. In solutions, complexes of sodium and lanthanides exhibit double peaked ligand-centered PL of enol and keto forms of BQ with a quantum yield of 1%-8%. In the solid state the complexes of Sm, Eu, Ho, Nd, Er, and Yb along with the ligand-centered PL also exhibit a moderate-intensity metal-centered PL which is characteristic of the corresponding Ln3 thorn ions. Sc(BQ)3 complex shows bright green EL which has intensity comparable to the best results observed for scandium complexes with other organic ligands.& COPY; 2022 Chinese Society of Rare Earths. Published by Elsevier B.V. All rights reserved.

引用

页码：1135 / 1143

页数：9

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