Performance Loss Analysis and Design Space Optimization of Perovskite Solar Cells
arXiv:1803.04171 · doi:10.1063/1.5047841
Abstract
While the performance enhancement witnessed in the field of perovskite solar cells over the recent years has been impressive, it is now evident that further optimization beyond the existing literature would require detailed analysis of various loss mechanisms. Here we address the same through detailed numerical simulations of optical and electrical characteristics. We quantify the various losses like optical losses (5-6%), recombination losses (3-4%), and resistive losses against the Auger limited practical efficiency limits. Moreover, we illustrate the schemes that result in reduction of these losses and eventual increase in efficiency. In addition, we extend the analyses to identify the optimum thickness of perovskite and the factors affecting the optimum thickness have been discussed in detail.
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