青岛科技大学主页平台管理系统 chenkezheng--Home-- 棒状SrAl_2O_4:Eu~(2+),Dy~(3+)长余辉发光粉的制备及性能

陈克正

Professor

Supervisor of Doctorate Candidates

Supervisor of Master's Candidates

Date of Birth:1965-10-27

Team member

Paper Publications

Current position: Home > Scientific Research > Paper Publications

棒状SrAl_2O_4:Eu~(2+),Dy~(3+)长余辉发光粉的制备及性能

Release time:2021-03-15 Hits:

Key Words:长余辉发光粉;;SrAl2O4:Eu2+,Dy3+;;溶液燃烧法

Abstract:以尿素和硝酸盐溶液为反应物,采用空气气氛,在600℃合成了棒状SrAl2O4:Eu2+,Dy3+绿光长余辉发光粉。研究了产物的物相组成、形貌、激发光谱、发射光谱以及余辉衰减曲线。结果表明:产物的晶体结构属于单斜晶系,呈规则的棒状;样品在紫外线照射后发射绿光,发光峰值位于512 nm处,余辉时间可达6 h。并深入研究了尿素和高温煅烧对其发光性能的影响。

Volume:v.31;No.124

Issue:03

Translation or Not:no

Pre One:Enhanced electrorheological characteristics of titanium oxide@H<inf>2</inf>Ti<inf>2</inf>O<inf>5</inf> nanotube core/shell nanocomposite