Green hydrothermal synthesis and photoluminescence property of ZnO2 nanoparticles

被引：55

作者：

Bai, Haixin ^{[1
]}

Liu, Xiaohua ^{[1
]}

机构：

[1] Henan Agr Univ, Coll Sci, Zhengzhou 450002, Henan, Peoples R China

来源：

MATERIALS LETTERS | 2010年 / 64卷 / 03期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Semiconductors; Nanomaterials; Green synthesis; Optical properties; ZINC PEROXIDE; THIN-FILMS; THERMAL-DECOMPOSITION; GROWTH;

D O I：

10.1016/j.matlet.2009.11.008

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

ZnO2 nanoparticles were synthesized via a green hydrothermal method using ZnO powder and 30% H2O2 aqueous solution as the starting materials, and characterized by X-ray diffraction (XRD), Raman spectra, energy dispersive X-ray (EDX) spectra, field emission scanning electron microscope (FESEM). transmission electron microscopy (TEM), selected area electron diffraction (SAED), and room temperature photoluminescence (RTPL) spectra. It was found that suitable reaction temperature (e.g., 80-140 degrees C) played an important role in obtaining pure cubic phase ZnO2 nanoparticles. The RTPL spectra disclosed that the as-synthesized ZnO2 nanoparticles exhibit one strong emission band centered at around 400 nm and one very weak emission band at around 474 nm, which may have originated from the band edge emission and the oxygen vacancy, respectively. (C) 2009 Elsevier B.V. All rights reserved

引用

页码：341 / 343

页数：3

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