Presentation Details
| A Multifunctional Anti-reflection Coating for CdTe-based Space Photovoltaics Adam M Law1, Kieran M Curson1, Luksa Kujovic1, Dan A Lamb2, Glenn M Jones3, John M Walls1. 1Loughborough University, Loughborough, United Kingdom.2Swansea University, Swansea, United Kingdom.3Teledyne Qioptiq, Bodelwyddan, United Kingdom |
Abstract
Solar photovoltaic (PV) cells are used to power satellites in space, and incorporate ultra-thin, radiation tolerant coverglass sheets to provide protection and mechanical support. Coatings can be applied to this coverglass surface to reduce reflection losses. The coatings can also be engineered to provide passive cooling, to reduce cell operating temperatures in the space environment. This work details the design and development of a multifunctional coating, comprising metal-oxide dielectrics, to provide anti-reflection across the spectral response region of a CdSeTe/CdTe solar cell, allowing increased power output, as well as infra-red reflection to provide passive cooling. The coating reduces weighted average reflectance by 3.30% and modelling predicts a temperature reduction of 12.9K, leading to a relative efficiency gain of over 5% for thin film CdSeTe/CdTe devices.
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No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the author.
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