Hydrothermal synthesis and upconversion luminescence of Y2WO6:Yb3+/Er3+ crystals

被引：12
|
作者：
Chen, Cuili [1 ,2 ]
Cai, Peiqing [1 ,2 ]
Qin, Lin [1 ,2 ]
Wang, Jing [1 ,2 ]
Huang, Yanlin [2 ,3 ]
Seo, Hyo Jin [1 ,2 ]
机构：
[1] Pukyong Natl Univ, Dept Phys, Busan 608737, South Korea
[2] Pukyong Natl Univ, Interdisciplinary Program Biomed Mech & Elect Eng, Busan 608737, South Korea
[3] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2018年 / 747卷
基金：
新加坡国家研究基金会;
关键词：
Hydrothermal; Morphology; Heat treatments; Upconversion; SHAPE; SIZE; OXYTUNGSTATES; NANOCRYSTALS; PHOSPHORS; IONS;
D O I：
10.1016/j.jallcom.2018.03.092
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：
The Y2WO6:Yb3+/Er3+ crystals were synthesized by the hydrothermal method. The needle-shaped morphology is controllably formed and a number of crystals aggregate as spheres by adding the surfactant of sodium dodecylbenzenesulfonate (SDBS) into the reaction system. The crystal structure, morphology and upconversion luminescence properties of the Y2WO6:Yb3+/Er3+ crystals are conducted on the basis of X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), FTIR and emission spectra. The different emission intensity ratio of the red and green bands is observed for the Y2WO6:Yb3+/Er3+ precursors under different heat treatments. The different intensity ratio are illustrated according to the upconversion mechanism. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：803 / 808
页数：6
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