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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 2/2017

12.10.2016

Enhanced NO2 response of hydrothermally grown Ti doped WO3 nanostructures

verfasst von: V. B. Patil, N. L. Tarwal, S. H. Mujawar, I. S. Mulla, P. S. Walke, S. S. Suryavanshi

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 2/2017

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Abstract

Titanium doped WO3 (Ti doped WO3) nanostructures were synthesized by hydrothermal synthesis by the controlled hydrolysis of Na2WO4 using oxalic acid and Titanium tetrachloride. Prepared samples were characterized by X-ray powder diffraction (XRD), scanning electronic microscopy (SEM), and transmission electron microscopy (TEM). As-synthesized pristine WO3 showed nanorods with diameters of about 10–15 nm and length about 1.2 µm and Ti doped WO3 composed of numerous small nanocrystals. Introduction of Ti doping by chemical synthesis process suppressed the growth of one-dimensional nanorods along their axis direction and shows agglomeration of particulate like morphology and no elongated structures. Ti doping not only lowered the optimal operating temperature of WO3 nanostructures sensors from 250 to 200 °C but also increased the maximum value of sensor response. Also the Ti-doped WO3 nanostructures exhibited rapid response characteristic to NO2 gas compared to pristine WO3.
Vorheriger Artikel Facile synthesis of urchin-like ZnO nanostructures with enhanced optical properties
Nächster Artikel Synthesis and characterization of a novel Mg3(PO4)2 ceramic with low dielectric constant

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Metadaten
Titel
Enhanced NO2 response of hydrothermally grown Ti doped WO3 nanostructures
verfasst von
V. B. Patil
N. L. Tarwal
S. H. Mujawar
I. S. Mulla
P. S. Walke
S. S. Suryavanshi
Publikationsdatum
12.10.2016
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 2/2017
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-016-5702-z

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