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An experimental analysis of the optical, thermal and power to weight performance of plastic and glass optics with AR coatings for embedded CPV windows

Shanks, Katie; Knowles, Ashley; Brierley, Adam; Baig, Hasan; Orr, Henry; Sun, Yanyi; Wu, Yupeng; Sundaram, Senthilarasu; Mallick, Tapas


Katie Shanks

Ashley Knowles

Adam Brierley

Hasan Baig

Henry Orr

Yanyi Sun

Yupeng Wu

Tapas Mallick


A low concentrator photovoltaic is presented and the optical losses within a double glazed window assembly are described. The use of plastic instead of glass is analyzed for its reduced weight and hence greater power to weight ratios. Although the transmittance of glass is higher, the power to weight ratio of the plastic devices was almost double that of the glass counterparts and even higher than the original non concentrating silicon cell. The plastic Topas material was found to be the best performing material overall. Crystal Clear, a plastic resin, had a higher average transmittance but had a lower optical efficiency due to the cold cast manufacturing process in comparison to injection moulding of the other materials. This proves the importance of considering both the materials and their associated manufacturing quality.

Journal Article Type Article
Acceptance Date Jun 25, 2019
Online Publication Date Jul 8, 2019
Publication Date Sep 15, 2019
Deposit Date Mar 13, 2023
Publicly Available Date Mar 16, 2023
Print ISSN 0927-0248
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 200
Article Number 110027
Keywords Concentrator photovoltaic, Compound parabolic concentrator, Building integrated, Optical material, Optical manufacturing


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