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.

引用

页码：12 / 16

页数：5

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