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

被引：34
|
作者：
Sharma, Sanjeev K. [1 ]
Kim, Deuk Young [1 ]
机构：
[1] Dongguk Univ Seoul, Dept Semicond Sci, Semicond Mat & Device Lab, Seoul 100715, South Korea
来源：
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 2016年 / 32卷 / 01期
关键词：
YZO nanobolts; Hydrothermal synthesis; Microstructural; Optical properties; ZNO NANOCRYSTALS; THIN-FILMS; NANOSTRUCTURES; FABRICATION; GROWTH; RAMAN; PHOTOLUMINESCENCE; LUMINESCENCE; MORPHOLOGIES; NANOWIRES;
D O I：
10.1016/j.jmst.2015.11.001
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, yttrium-doped zinc oxide (YZO) nanopowder was synthesized via hydrothermal precipitation-method. The microstructure and optical properties of yttrium-doped zinc oxide nanopowder were characterized, which confirmed the well-crystalline wurtzite hexagonal phase of ZnO. The yttrium-doped zinc oxide nanopowder grains formed the nanobolts of similar to 400 nm in length and similar to 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. Copyright (C) 2015, The editorial office of Journal of Materials Science & Technology. Published by Elsevier Limited. All rights reserved.
引用
收藏
页码：12 / 16
页数：5
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