Issue 2, 2011
From the journal:

Journal of Materials Chemistry

Electrochemical and photocatalytic properties of WO3 coatings grown at low temperatures

D. Vernardou,*abc   H. Drosos,d   E. Spanakis,bcf   E. Koudoumas,ae   C. Savvakisab  and  N. Katsarakisabf  

* Corresponding authors

a Center of Materials Technology and Photonics, School of Applied Technology, Technological Educational Institute of Crete, Heraklion, Crete, Greece
E-mail: dimitra@iesl.forth.gr

b Science Department, School of Applied Technology, Technological Educational Institute of Crete, Heraklion, Crete, Greece

c Department of Materials Science and Technology, University of Crete, Heraklion, Crete, Greece

d Mechanical Engineering Department, School of Applied Technology, Technological Educational Institute of Crete, Heraklion, Crete, Greece

e Electrical Engineering Department, School of Applied Technology, Technological Educational Institute of Crete, Heraklion, Crete, Greece

f Institute of Electronic Structure and Laser, Foundation for Research & Technology-Hellas, P.O. Box 1527, Vassilika Vouton, Heraklion, Crete, Greece

Abstract

The growth of tungsten oxide was carried out on microscope glass substrates using the one-pot direct hydrothermal method. Despite the simplicity of the technique, the coating grown using 0.3 M NaOH at 95 °C after 30 h, exhibited reversible electrochemical response without significant degradation, as studied by cycling voltammetry experiments for at least 250 times in a solution of 1 M LiClO4. This coating at the same time presented marked photocatalytic activity under solar illumination, degrading stearic acid by 52%. The results are discussed in terms of the materials' observed morphology towards which, the role of the growth solution chemistry is examined.

Graphical abstract: Electrochemical and photocatalytic properties of WO3 coatings grown at low temperatures

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Article information

DOI
https://doi.org/10.1039/C0JM02413A
Article type
Paper
Submitted
26 Jul 2010
Accepted
23 Sep 2010
First published
26 Oct 2010

J. Mater. Chem., 2011,21, 513-517

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Electrochemical and photocatalytic properties of WO3 coatings grown at low temperatures

D. Vernardou, H. Drosos, E. Spanakis, E. Koudoumas, C. Savvakis and N. Katsarakis, J. Mater. Chem., 2011, 21, 513 DOI: 10.1039/C0JM02413A

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