Complexes of Rare Earth Metals with Bromine-Substituted (Benzoxazolyl)Naphtholate Ligands as Emissive Materials

被引：0

作者：

Kuzyaev, D. M. ^{[1
]}

Balashova, T. V. ^{[1
]}

Polyakova, S. K. ^{[1
]}

Ilichev, V. A. ^{[1
]}

Yablonskiy, A. N. ^{[2
]}

Baranov, E. V. ^{[1
]}

Fukin, G. K. ^{[1
]}

Bochkarev, M. N. ^{[1
]}

机构：

[1] Russian Acad Sci, Razuvaev Inst Organometall Chem, Nizhnii Novgorod, Russia

[2] Russian Acad Sci, Inst Phys Microstruct, Nizhnii Novgorod 603087, Russia

来源：

JOURNAL OF STRUCTURAL CHEMISTRY | 2024年 / 65卷 / 11期

基金：

俄罗斯科学基金会;

关键词：

lanthanide complexes; substituted 2-(2-benzoxazol-2-yl)-3-naphtholate ligands; X-ray structure; luminescence; LUMINESCENT PROPERTIES; CRYSTAL-STRUCTURE; PROTON-TRANSFER; LANTHANIDE; FLUORESCENT; POLYMERS; PR(III); ER(III); ND(III);

D O I：

10.1134/S0022476624110064

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A series of complexes [Ln((NpOON)-O-Br)(3)](2) (Ln = Nd, Eu, Gd, Yb) were synthesized by the reaction of the corresponding lanthanide silylamides with 2-(2-benzoxazol-2-yl)-7-bromo-3-naphthol. The structure of the initial phenol, Eu and Yb complexes was established using X-ray diffraction analysis, which showed that the resulting compounds have a centrosymmetric dimeric structure. All the obtained complexes in the solid state upon excitation by light with a wavelength of 365 nm revealed ligand-centered photoluminescence (PL) in the visible region of 450-700 nm. The complexes of Nd and Yb in addition exhibit the metal-centered emission in the near-infrared (NIR) region of high intensity.

引用

页码：2175 / 2186

页数：12

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