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Nanowire Solar Cells: A New Radiation Hard PV Technology for Space Applications

Espinet-González, Pilar and Barrigon, Enrique and Chen, Yang and Otnes, Gaute and Vescovi, Giuliano and Mann, Colin and Lloyd, John V. and Walker, Don and Kelzenberg, Michael D. and Åberg, Ingvar and Borgström, Magnus and Atwater, Harry A. and Samuelson, Lars (2020) Nanowire Solar Cells: A New Radiation Hard PV Technology for Space Applications. IEEE Journal of Photovoltaics, 10 (2). pp. 502-507. ISSN 2156-3381. doi:10.1109/jphotov.2020.2966979.

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Radiation hard thin-film solar cell technologies are necessary in order to achieve a step forward in the specific power of solar arrays for space applications. In this article, we analyze the degradation of nanowire (NW) solar cells under high energy particles. GaAs NW solar cells have been irradiated with protons of 100 and 350 keV at different fluences. The radiation hardness of the NW solar cells in all the cases is remarkable in comparison with GaAs planar solar cells and prior literature. Design guidelines to optimize the specific power of NW solar cells for space applications by jointly increasing their efficiency and radiation hardness are presented.

Item Type:Article
Related URLs:
URLURL TypeDescription
Espinet-González, Pilar0000-0002-7656-0077
Barrigon, Enrique0000-0001-6755-1841
Chen, Yang0000-0002-8964-0084
Otnes, Gaute0000-0002-4241-5234
Vescovi, Giuliano0000-0001-9556-0710
Kelzenberg, Michael D.0000-0002-6249-2827
Åberg, Ingvar0000-0003-2596-7552
Borgström, Magnus0000-0001-8061-0746
Atwater, Harry A.0000-0001-9435-0201
Samuelson, Lars0000-0003-1971-9894
Additional Information:© 2020 IEEE. Manuscript received June 20, 2019; revised December 16, 2019; accepted January 7, 2020. Date of publication January 31, 2020; date of current version February 19, 2020. This work was supported in part by Northrop Grumman, in part by the Space Solar Power Project, in part by Knut and Alice Wallenberg Foundation, and in part by the European Union’s Horizon 2020 research and innovation programme underGrant 641023 (Nano-Tandem) and under the Marie Sklodowska-Curie Grant 656208. The work performed within NanoLund was supported by the Swedish Research Council (Vetenskapsrådet), Swedish Foundation for Strategic Research (SSF), and Swedish Energy Agency. This article reflects only the authors’ views and the funding agency is not responsible for any use that may be made of the information it contains. The authors acknowledge the helpful contributions of J. V. Lloyd with the solar cell processing of the ELO GaAs solar cells at Caltech. They also acknowledge The Aerospace Corporation for the irradiation test with protons.
Group:Space Solar Power Project
Funding AgencyGrant Number
Northrop Grumman CorporationUNSPECIFIED
Space Solar Power ProjectUNSPECIFIED
Knut and Alice Wallenberg FoundationUNSPECIFIED
European Research Council (ERC)641023
Marie Curie Fellowship656208
Swedish Foundation for Strategic Research (SSF)UNSPECIFIED
Swedish Energy AgencyUNSPECIFIED
Subject Keywords:Binary collision approximation, Monte Carlo simulations, nanostructured materials, nanowire solar cells, radiation hard, space environment, space solar cells
Issue or Number:2
Record Number:CaltechAUTHORS:20200210-083252297
Persistent URL:
Official Citation:P. Espinet-Gonzalez et al., "Nanowire Solar Cells: A New Radiation Hard PV Technology for Space Applications," in IEEE Journal of Photovoltaics, vol. 10, no. 2, pp. 502-507, March 2020. doi: 10.1109/JPHOTOV.2020.2966979
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:101188
Deposited By: Tony Diaz
Deposited On:10 Feb 2020 17:28
Last Modified:16 Nov 2021 18:00

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