Espinet-González, Pilar and Vinogradova, Tatiana and Kelzenberg, Michael D. and Messer, Alexander and Warmann, Emily C. and Peterson, Chris and Vaidya, Nina and Naqavi, Ali and Huang, Jing-Shun and Loke, Samuel P. and Walker, Don and Mann, Colin J. and Pellegrino, Sergio and Atwater, Harry A. (2017) Impact of Space Radiation Environment on Concentrator Photovoltaic Systems. In: 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC). IEEE , Piscataway, NJ, pp. 512-516. ISBN 978-1-5090-5605-7. https://resolver.caltech.edu/CaltechAUTHORS:20181109-074226646
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Abstract
Concentrator photovoltaic systems can provide supplementary shielding against high energy particles. In this paper we compare the radiation environment that the same solar cell would experience in a flat-plate module versus in a parabolic mirror concentrator system. We have observed that the shielding provided by the concentrator system is remarkable. In order to obtain an accurate prediction of the overall shield needed in our concentrator system triple-junction space solar cells have been irradiated on the edge with 350-keV protons at a fluence of 10^(12) p^+cm^(-2). A mild degradation of the open circuit voltage was measured (~70 mV).
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| Additional Information: | © 2017 IEEE. We acknowledge financial support from Northrop Grumman. This effort made use of facilities provided by the Kavli Nanoscience Institute, the Material Molecular Research Center (MMRC), the Resnick Institute, and the Joint Center for Artificial Photosynthesis, at Caltech. | ||||||||||||||
| Group: | Kavli Nanoscience Institute, Resnick Sustainability Institute, JCAP, Space Solar Power Project | ||||||||||||||
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| Subject Keywords: | Concentrator photovoltaic systems, concentrator solar cells, space radiation modeling, radiation tests, space solar power, shielding | ||||||||||||||
| DOI: | 10.1109/PVSC.2017.8366020 | ||||||||||||||
| Record Number: | CaltechAUTHORS:20181109-074226646 | ||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20181109-074226646 | ||||||||||||||
| Official Citation: | P. Espinet-Gonzalez et al., "Impact of Space Radiation Environment on Concentrator Photovoltaic Systems," 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC), Washington, DC, 2017, pp. 512-516. doi: 10.1109/PVSC.2017.8366020 | ||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||
| ID Code: | 90779 | ||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||
| Deposited On: | 13 Nov 2018 18:47 | ||||||||||||||
| Last Modified: | 16 Nov 2021 03:35 |
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