Light Management in Bifacial Photovoltaics with Spectrally Selective Mirrors

Bryan M. Cote; Ian M. Slauch; Michael G. Deceglie; Timothy J. Silverman; Vivian E. Ferry

doi:10.1021/acsaem.1c01236

Light Management in Bifacial Photovoltaics with Spectrally Selective Mirrors

Bryan M. Cote, Ian M. Slauch, Michael G. Deceglie, Timothy J. Silverman, Vivian E. Ferry

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

Spectrally selective mirrors that simultaneously provide above-bandgap antireflection and sub-bandgap light rejection are tested for their ability to provide passive cooling to partially sub-bandgap transparent bifacial photovoltaics. The optical and thermal benefits of both idealized and real, low-complexity spectrally selective mirrors on single-axis tracking, bifacial PERC arrays under realistic conditions are tested via rigorous finite element simulations. Four- and six-layer mirror designs increased carrier generation beyond what traditional antireflection coatings can provide without the associated cell heating. Idealized mirrors were found to provide up to 2.4 °C of cooling when included on both air/glass interfaces of the bifacial module.

Original language	English (US)
Pages (from-to)	5397-5402
Number of pages	6
Journal	ACS Applied Energy Materials
Volume	4
Issue number	6
DOIs	https://doi.org/10.1021/acsaem.1c01236
State	Published - Jun 28 2021
Externally published	Yes

Bibliographical note

Funding Information:
The authors thank Dr. Silvana Ayala for helpful discussions. This material is based upon work supported by the U.S. Department of Energy Office of Energy Efficiency (EERE) under the Solar Energy Technologies Office Award DE-EE0008542. Part of this work was performed with equipment supported by funding from the National Science Foundation through the UMN MRSEC under Award DMR-2011401. The authors acknowledge the Minnesota Supercomputing Institute (MSI) at the University of Minnesota for providing resources that contributed to the research results reported within this paper. This work was authored in part by Alliance for Sustainable Energy, LLC, the manager and operator of the National Renewable Energy Laboratory for the U.S. Department of Energy (DOE) under Contract DE-AC36-08GO28308. Funding was provided by the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy (EERE) under Solar Energy Technologies Office (SETO) Agreement 30312 and by the Engineering Research Center Program of the National Science Foundation and under NSF Cooperative Agreement EEC-1041895. The views expressed herein do not necessarily represent the views of the U.S. Department of Energy or the United States government.

Publisher Copyright:
©

Keywords

antireflection coatings
bifacial photovoltaics
cooling
light management
photonic structures
solar energy

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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abstract = "Spectrally selective mirrors that simultaneously provide above-bandgap antireflection and sub-bandgap light rejection are tested for their ability to provide passive cooling to partially sub-bandgap transparent bifacial photovoltaics. The optical and thermal benefits of both idealized and real, low-complexity spectrally selective mirrors on single-axis tracking, bifacial PERC arrays under realistic conditions are tested via rigorous finite element simulations. Four- and six-layer mirror designs increased carrier generation beyond what traditional antireflection coatings can provide without the associated cell heating. Idealized mirrors were found to provide up to 2.4 °C of cooling when included on both air/glass interfaces of the bifacial module.",

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Light Management in Bifacial Photovoltaics with Spectrally Selective Mirrors

Abstract

Bibliographical note

Keywords

UN SDGs

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