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Proceedings Paper

Deposition Of Large Area Coatings For Energy Efficient Systems
Author(s): C A Bishop; R P Howson; R W Lewin
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Paper Abstract

Any system for the utilisation of solar energy requires to be of large area because of the low energy density of the radiation. It also requires to be highly thermally insulating to prevent the loss of low temperature heat that is gained. To be cost-effective in any application requires that a coating made to improve a system has to be made in large areas at low cost. In a vacuum system of high capital cost this means that a high speed process is required. The process of reactive planar magnetron sputtering is considered in terms of these criteria with examples given of the preparation of oxide-metal-oxide and conducting oxide filters as low emissivity transparent surfaces. Recent advances in the preparation of such filters are described, These include the use of anti-reflecting layers on conducting oxides and more precise deposition techniques for the preparation of the oxide in a thin metal-containing structure. The preparation and properties of tungsten oxide are described with the view of more advanced developments including the use of the electro chromic effect as well as a new material for a heat reflecting filter.

Paper Details

Date Published: 24 September 1986
PDF: 7 pages
Proc. SPIE 0653, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion V, (24 September 1986); doi: 10.1117/12.938304
Show Author Affiliations
C A Bishop, Loughborough University of Technology Loughborough (England)
R P Howson, Loughborough University of Technology Loughborough (England)
R W Lewin, Loughborough University of Technology Loughborough (England)


Published in SPIE Proceedings Vol. 0653:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion V
Claes-Goeran Granqvist; Carl M. Lampert; John J. Mason; Volker Wittwer, Editor(s)

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