Photoactive Thin Silver Films by Atmospheric Pressure CVD

We report the visible and UV activity of thin silver films. The films are grown using a CVD process employing aqueous-based silver precursors, flame-assisted chemical vapour deposition. This approach overcomes many of the previously encountered limitations to silver deposition by employing an atmosp...

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Bibliographic Details
Published inInternational Journal of Photoenergy Vol. 2008; no. 1; pp. 461 - 468
Main Authors Yates, Heather M., Brook, Lucy A., Sheel, David W.
Format Journal Article
LanguageEnglish
Published New York Hindawi Limiteds 01.01.2008
Hindawi Publishing Corporation
Hindawi Limited
Subjects
Acids
Crystal structure
Decomposition
Glass substrates
Thin films
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Summary:We report the visible and UV activity of thin silver films. The films are grown using a CVD process employing aqueous-based silver precursors, flame-assisted chemical vapour deposition. This approach overcomes many of the previously encountered limitations to silver deposition by employing an atmospheric pressure process, low-cost and low-toxicity precursors. The resultant films are assessed for activity using stearic acid destruction as a model compound. We also report on the addition of titania to these silver films to increase the potential functionality. This activity is also demonstrated, where the films appear largely transparent to the eye, further widening the potential application of this work. It is speculated that the nanoparticulate nature, of the CVD silver, is crucial in determining photoactivity.
ISSN:1110-662X
1687-529X
DOI:10.1155/2008/870392