The Effect of Ag sub(3) PO sub(4) on WO sub(3) Electrochromic Film

WO sub(3)/Ag sub(3) PO sub(4) electrochromic films were prepared by sol-gel and dip coating methods. The synthesized films were smooth having amorphous structure. The 0.8 wt% Ag sub(3) PO sub(4)-doped WO sub(3) films displayed best electrochemical properties and optical modulation due to the effect...

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Bibliographic Details
Published in:Key Engineering Materials 2016-09, Vol.707, p.139-143
Main Authors: Tatsanabenjakul, Preyada, Sikong, Lek, Chetpattananondh, Kanadit
Format: Article
Language:English
Subjects:
Electrochromism
Energy gap
Immersion coating
Ion diffusion
Modulation
Optical properties
Switching
Tungsten oxides
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Summary:WO sub(3)/Ag sub(3) PO sub(4) electrochromic films were prepared by sol-gel and dip coating methods. The synthesized films were smooth having amorphous structure. The 0.8 wt% Ag sub(3) PO sub(4)-doped WO sub(3) films displayed best electrochemical properties and optical modulation due to the effect of Ag sub(3) PO sub(4) on reduction of band gap energy and enhancement of electrons and ions diffusions. X-ray photo-electron spectroscopy (XPS) was used to confirm the presence of Ag super(+) from Ag sub(3) PO sub(4) in WO sub(3)/Ag sub(3) PO sub(4) electrochromic films. They exhibited reversible electrochromic property with fast switching time when compared to that of pure WO sub(3) film.
ISSN:1013-9826
1662-9795
DOI:10.4028/www.scientific.net/KEM.707.139