Photoluminescence properties of the In2O3 octahedrons synthesized by carbothermal reduction method

被引：22

作者：

Huang, Zaiyin ^{[1
]}

Chai, Chunfang

Tan, Xuecai

Wu, Jian

Yuan, Aiqun

Zhou, Zeguang

机构：

[1] Guangxi Univ, Sch Chem & Chem Eng, Nanning 530004, Peoples R China

[2] Guangxi Univ Nationalities, Sch Chem & Chem Engn, Nanning 5330006, Peoples R China

来源：

MATERIALS LETTERS | 2007年 / 61卷 / 29期

关键词：

chemical vapour deposition; microstructure; In2O3; octahedrons; carbothermal reduction; PL;

D O I：

10.1016/j.matlet.2007.04.062

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In2O3 octahedrons were synthesized by carbothermal reduction method. The products were characterized by X-ray diffraction (XRD), energy dispersive X-ray (EDX), field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), selected-area electron diffraction analysis (SAED) and room-temperature photoluminescence (PL) spectra. The results show that the products are single-crystalline In2O3 octahedrons with the arrises length in the range of 400-3000 nm. The PL spectra displays blue and green emission peaks which can be indexed to default and oxygen vacancies; blue-shift and intensity decrease was observed when excitation wavelength decreases from 380 nm to 325 nm. The growth mechanism of the In2O3 octahedrons is discussed. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：5137 / 5140

页数：4

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