NDLI: Structural and optical properties of Ag doped tungsten oxide (WO$_{3}$) by microwave-assisted chemical route

Content Provider	Springer Nature Link
Author	Mohammed Harshulkhan, S. Janaki, K. Velraj, G. Sakthi Ganapathy, R. Krishnaraj, S.
Copyright Year	2015
Abstract	The present study explores, the pure and silver (Ag) doped WO$_{3}$ nanoparticles synthesized by microwave irradiation method. Powder X-ray diffraction results reveal that the WO$_{3}$ doped with Ag concentration from 0 to 10 wt% crystallizes in monoclinic structure. TEM analysis shows both pristine and silver doped WO$_{3}$ nanoparticles. They are having spherical morphology with a average size from 30 to 40 nm. Scanning electron microscopy studies depicts that both the pristine and Ag doped WO$_{3}$ form in spherical shaped morphology with an average diameter of 40–30 nm, which is in proper agreement with the average crystallite sizes calculated by Scherrer’s formula. A considerable red shift in the absorbing band edge and a decrease in the band gap energy from 3.00 to 2.85 eV for Ag doped samples were observed by using UV–DRS spectra analysis. The defects in crystal and oxygen deficiencies were analyzed by photoluminescence spectra analysis.
Starting Page	3158
Ending Page	3163
Page Count	6
File Format	PDF
ISSN	09574522
Journal	Journal of Materials Science: Materials in Electronics
Volume Number	27
Issue Number	4
e-ISSN	1573482X
Language	English
Publisher	Springer US
Publisher Date	2015-12-19
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Optical and Electronic Materials Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Biomaterials Biophysics Condensed Matter Physics Electronic, Optical and Magnetic Materials Bioengineering Electrical and Electronic Engineering Biomedical Engineering

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