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Improved solar illumination collection using holographic light management techniques
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Paper Abstract

Traditional silicon photovoltaic modules have some inactive module surface area (IMSA) that are not covered by the solar cells due to the shading of bus bars, finger contacts, and the unused space between the octagonal solar cells. Collecting the solar power falling onto the IMSA will increase the overall energy yield and potentially decrease the $/kW-hr rating for the PV system. Therefore, we proposed a low-cost holographic light management technique which combines the holographic optical elements (HOEs) and a white Lambertian scatter surface. Simulation and comparison are performed for three different light collection systems. The results show that 6.40% more light collection efficiency can be achieved by using HOEs combined with a white scatter surface.

Paper Details

Date Published: 9 September 2019
PDF: 11 pages
Proc. SPIE 11120, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XVI, 111200L (9 September 2019); doi: 10.1117/12.2529868
Show Author Affiliations
Jianbo Zhao, The Univ. of Arizona (United States)
Benjamin Chrysler, The Univ. of Arizona (United States)
Sam Tan, The Univ. of Arizona (United States)
Raymond K. Kostuk, The Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 11120:
Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XVI
Roland Winston; Eli Yablonovitch, Editor(s)

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