Spectroscopic and voltammetric characteristics of α-Zn2SiO4:V luminophor

被引：9

作者：

Krasnenko, T. I. ^{[1
]}

Yanchenko, M. Yu. ^{[1
,2
]}

Zaitseva, N. A. ^{[1
,2
]}

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

Baklanova, I. V. ^{[1
]}

Buldakova, L. Yu. ^{[1
]}

Onufrieva, T. A. ^{[1
]}

Samigullina, R. F. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Solid State Chem, Ural Branch, Ekaterinburg 620990, Russia

[2] Ural State Min Univ, Ekaterinburg, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2017年 / 91卷 / 09期

关键词：

zinc orthosilicate; bandgap; charge states of vanadium ions; SOL-GEL METHOD; CO; PHOTOLUMINESCENCE; LUMINESCENCE; PHOSPHORS; ZN2SIO4; TB3+; NI;

D O I：

10.1134/S0036024417090163

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Single-phase luminophor Zn2SiO4:V with willemite structure is prepared by hydrothermal method. It is found that the Zn: Si: V ratio between cations is 2: 0.9: 0.1. It is shown that the inclusion of vanadium in the willemite structure reduces the width of the bandgap by Delta E (g) ae 2 eV. Using a combination of spectroscopic and voltammetric techniques, it is found the zinc silicate matrix contains vanadium ions with charge states V5+, V4+, and V3+. In addition, magnetic ions form clusters.

引用

页码：1824 / 1827

页数：4

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