Microstructure and Optical Properties of Yttrium-doped Zinc Oxide(YZO) Nanobolts Synthesized by Hydrothermal Method

被引：0
|
作者：
Sanjeev K.Sharma [1 ]
Deuk Young Kim [1 ]
机构：
[1] Semiconductor Materials and Device Laboratory,Department of Semiconductor Science,Dongguk University-Seoul
来源：
Journal of Materials Science & Technology | 2016年 / 32卷 / 01期
关键词：
YZO nanobolts; Hydrothermal synthesis; Microstructural; Optical properties;
D O I：
暂无
中图分类号：
TB383.1 []; TQ132.41 [];
学科分类号：
070205 ; 080501 ; 0817 ; 1406 ;
摘要：
In this work,yttrium-doped zinc oxide(YZO) nanopowder was synthesized via hydrothermal precipitationmethod. The microstructure and optical properties of yttrium-doped zinc oxide nanopowder were characterized,which confirmed the well-crystalline wurtzite hexagonal phase of Zn O. The yttriumdoped zinc oxide nanopowder grains formed the nanobolts of ~400 nm in length and ~900 nm in width.High resolution-transmission electron microscopy(HR-TEM) of the nanobolts revealed uniform lattice fringes and no visible faults and/or distortions. X-ray photoelectron spectroscopy(XPS) analysis confirmed the presence of yttrium in the zinc oxide lattice,proving the contribution of yttrium on the microstructural and optical properties of the material. A strong ultra violet(UV) emission peak of the YZO exhibited a red shift compared to pure zinc oxide,which was ascribed to the defects and the formation of a shallow energy level caused by the incorporation of yttrium.
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页码：12 / 16
页数：5
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