Microstructure and luminescence properties of Co-doped SnO2 nanoparticles synthesized by hydrothermal method

被引：100

作者：

Fang, L. M. ^{[1
]}

Zu, X. T. ^{[1
,2
]}

Li, Z. J. ^{[1
]}

Zhu, S. ^{[3
,4
]}

Liu, C. M. ^{[1
]}

Wang, L. M. ^{[3
,4
]}

Gao, F. ^{[5
]}

机构：

[1] Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China

[2] Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110015, Peoples R China

[3] Univ Michigan, Dept Nucl Engn & Radiol Sci, Ann Arbor, MI 48109 USA

[4] Univ Michigan, Dept Mat Sci & Engn, Ann Arbor, MI 48109 USA

[5] Pacific NW Natl Lab, Richland, WA 99352 USA

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2008年 / 19卷 / 8-9期

关键词：

D O I：

10.1007/s10854-007-9543-7

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Co-doped SnO2 nanoparticles were synthesized by a simple hydrothermal method, and characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Transmission electron microscopy (TEM), UV-Vis diffuse reflectance spectra (DRS) and Photoluminescence spectroscopy (PL). It is found that the SnO2 crystallites with the tetragonal rutile structure formed directly during the hydrothermal process without calcination. The Co-doped SnO2 nanoparticles were spheric and well-dispersed with narrow size distribution. The crystalline size of SnO2 decreased from 5.98 to 2.22 nm when the Co content increased from 0% to 20%. A considerable red shift in the absorbing band edge was observed with increasing of Co dopant.

引用

页码：868 / 874

页数：7

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