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Polyethylene Protective Coating with Anti-Reflective Properties for Silicon Photovoltaic Cells
Version 1
: Received: 26 April 2023 / Approved: 27 April 2023 / Online: 27 April 2023 (03:08:05 CEST)
A peer-reviewed article of this Preprint also exists.
Pociask-Bialy, M. Polyethylene Protective Coating with Anti-Reflective Properties for Silicon Photovoltaic Cells. Materials 2023, 16, 4004. Pociask-Bialy, M. Polyethylene Protective Coating with Anti-Reflective Properties for Silicon Photovoltaic Cells. Materials 2023, 16, 4004.
Abstract
The aim of the study was to find the effect of polyethylene (PE) coatings on the short-circuit current of silicon photovoltaic cells covered with glass, in order to improve the short-circuit current of the cells. Various combinations of PE films (thicknesses ranging from 9 to 23 µm, number of layers ranging from 2 to 6) with glasses (greenhouse, float, optiwhite and acrylic glass) were investigated. The best current gain of 4.05% was achieved for the coating combining a 1.5 mm-thick acrylic glass with 2 × 12 µm-thick PE films. This effect can be related to the formation of an array of micro-wrinkles and micrometer-sized air bubbles with a diameter of 50 to 600 µm in the films, which serve as micro-lenses and enhance light trapping.
Keywords
photovoltaic cells; antireflective coatings; solar glass transmittance; short-circuit current gain
Subject
Chemistry and Materials Science, Materials Science and Technology
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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