Synthesis and Characterization of SnO2 Nanopowder Prepared by Precipitation Method

被引：28

作者：

Senthilkumar, V. ^{[1
]}

Vickraman, P. ^{[1
]}

Jayachandran, M. ^{[2
]}

Sanjeeviraja, C. ^{[3
]}

机构：

[1] Gandhigram Rural Univ, Dept Phys, Gandhigram 624302, India

[2] Cent Electrochem Res Inst, Electrochem Mat Sci Div, Karaikkudi, Tamil Nadu, India

[3] Alagappa Univ, Dept Phys, Karaikkudi, Tamil Nadu, India

来源：

JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 2010年 / 31卷 / 09期

关键词：

Diffuse reflectance spectrum; nanoparticle; photoluminescence; TEM; tin oxide; XPS; GAS-SENSING PROPERTY; NANOMETER-SIZED SNO2; OXIDE THIN-FILM; TIN OXIDE; NANOPARTICLES; SENSORS;

D O I：

10.1080/01932690903223856

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Tetragonal SnO2 nanopowder of the range 8nm has been successfully synthesized by precipitation method. The prepared powder was characterized by thermogravimetry analysis (TGA), x-ray diffraction (XRD), transmission electron microscopy (TEM), Infrared spectroscopy (FTIR), x-ray photoelectron spectroscopy (XPS), diffuse reflectance spectroscopy (DRS), and room temperature photoluminescence (PL) spectroscopy. Experimental results show that the prepared powder was phase pure SnO2 of tetragonal rutile structure without any impurities. The optical band gap was determined to be 4.26eV, using diffuse reflectance technique with the aid of Kubelka-Munk relation. The blue shift of the band gap was attributed to the quantum size confinement effect.

引用

页码：1178 / 1181

页数：4

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