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
收藏
页码：1824 / 1827
页数：4
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