Synthesis, structural and optical properties of Al doped SnO2 nanoparticles

被引：24

作者：

Kumari, N. ^{[1
]}

Ghosh, A. ^{[1
,2
]}

Tewari, S. ^{[3
]}

Bhattacharjee, A. ^{[1
]}

机构：

[1] Natl Inst Technol Silchar, Dept Phys, Silchar 788010, Assam, India

[2] Don Bosco Coll, Dept Phys, Tura 794002, Meghalaya, India

[3] Karimganj Coll, Dept Phys, Karimganj 788710, Assam, India

来源：

INDIAN JOURNAL OF PHYSICS | 2014年 / 88卷 / 01期

关键词：

SnO2; Nanoparticles; Porosity; Band gap; Urbach energy; THIN-FILMS; ABSORPTION; NANOWIRES;

D O I：

10.1007/s12648-013-0387-0

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Pure tin dioxide (SnO2) and Al doped SnO2 nanoparticles are prepared by co-precipitation method. Studies on structural and morphological properties are done by X-ray diffraction, field emission scanning electron microscopy and electron diffraction X-ray spectroscopy and optical properties by using UV-Visible spectroscopy in diffuse reflectance spectroscopy mode. Porosity is found to increase with Al doping when compared to pure SnO2. The band gap as well as Urbach energy increases with Al doping. Al doped SnO2 exhibits high porosity.

引用

页码：65 / 70

页数：6

共 40 条

[1] Optical characterization of xTiO2-(60-x)SiO2-40Na2O glasses:: II.: Absorption edge, Fermi level, electronic polarizability and optical basicity [J].