Studies on the uv-visible and photoluminescent emission in nanocrystalline tungsten oxide

被引：11
|
作者：
Veenas, C. L. [1 ]
Asitha, L. R. [1 ]
Bose, Vipin C. [1 ]
Raj, A. S. Aiswarya [1 ]
Madhu, G. [1 ]
Biju, V. [1 ]
机构：
[1] Univ Kerala, Dept Phys, Thiruvananthapuram 695581, Kerala, India
来源：
INTERNATIONAL CONFERENCE ON MATERIALS SCIENCE AND TECHNOLOGY (ICMST 2012) | 2015年 / 73卷
关键词：
D O I：
10.1088/1757-899X/73/1/012119
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nanocrystalline Tungsten Oxide (WO3) samples having different average crystallite sizes 10nm, 11 nm, 22 nm and 26 nm were synthesized through controlled chemical precipitation method. The phase purity and average crystallite sizes were estimated from X-ray Diffraction (XRD) analysis. The vibrational characteristics of the samples were studied by Raman spectroscopy. The X-ray Photoelectron Spectroscopic (XPS) analysis of the samples revealed the presence of oxygen vacancies which was confirmed by the uv-visible (uv-vis) absorption and photoluminescence (PL) emission studies.
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页数：4
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