Journal
APPLIED SCIENCES-BASEL
Volume 10, Issue 16, Pages -Publisher
MDPI
DOI: 10.3390/app10165558
Keywords
multiple exciton generation; impact ionization; detailed balance; quantum yield
Categories
Funding
- Engineering Research Center Program of the National Science Foundation
- Department of Energy
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In this study, we analyzed the nonradiative recombination impact of multiple exciton generation solar cells (MEGSCs) with a revised detailed balance (DB) limit. The nonideal quantum yield (QY) of a material depends on the surface defects or the status of the material. Thus, its QY shape deviates from the ideal QY because of carrier losses. We used the ideal reverse saturation current variation in the DB of MEGSCs to explain the impact of nonradiative recombination. We compared ideal and nonideal QYs with the nonradiative recombination into the DB of MEGSCs under one-sun and full-light concentration. Through this research, we seek to develop a strategy to maintain MEGSC performance.
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