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Article

Routes for Metallization of Perovskite Solar Cells

Department of Quantum Technologies, Wrocław University of Science and Technology, Wyb. Wyspiańskiego 27, 50-370 Wrocław, Poland
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Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editors: Ioana Pintilie and Dewei Zhao
Materials 2022, 15(6), 2254; https://doi.org/10.3390/ma15062254
Received: 12 January 2022 / Revised: 15 February 2022 / Accepted: 14 March 2022 / Published: 18 March 2022
The application of metallic nanoparticles leads to an increase in the efficiency of solar cells due to the plasmonic effect. We explore various scenarios of the related mechanism in the case of metallized perovskite solar cells, which operate as hybrid chemical cells without p-n junctions, in contrast to conventional cells such as Si, CIGS or thin-layer semiconductor cells. The role of metallic nano-components in perovskite cells is different than in the case of p-n junction solar cells and, in addition, the large forbidden gap and a large effective masses of carriers in the perovskite require different parameters for the metallic nanoparticles than those used in p-n junction cells in order to obtain the increase in efficiency. We discuss the possibility of activating the very poor optical plasmonic photovoltaic effect in perovskite cells via a change in the chemical composition of the perovskite and through special tailoring of metallic admixtures. Here we show that it is possible to increase the absorption of photons (optical plasmonic effect) and simultaneously to decrease the binding energy of excitons (related to the inner electrical plasmonic effect, which is dominant in perovskite cells) in appropriately designed perovskite structures with multishell elongated metallic nanoparticles to achieve an increase in efficiency by means of metallization, which is not accessible in conventional p-n junction cells. We discuss different methods for the metallization of perovskite cells against the background of a review of various attempts to surpass the Shockley–Queisser limit for solar cell efficiency, especially in the case of the perovskite cell family. View Full-Text
Keywords: perovskite solar cells; Shockley–Queisser limit; metallization of solar cells; multishell nanoparticles; prolate nanoparticles perovskite solar cells; Shockley–Queisser limit; metallization of solar cells; multishell nanoparticles; prolate nanoparticles
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MDPI and ACS Style

Jacak, J.E.; Jacak, W.A. Routes for Metallization of Perovskite Solar Cells. Materials 2022, 15, 2254. https://doi.org/10.3390/ma15062254

AMA Style

Jacak JE, Jacak WA. Routes for Metallization of Perovskite Solar Cells. Materials. 2022; 15(6):2254. https://doi.org/10.3390/ma15062254

Chicago/Turabian Style

Jacak, Janusz Edward, and Witold Aleksander Jacak. 2022. "Routes for Metallization of Perovskite Solar Cells" Materials 15, no. 6: 2254. https://doi.org/10.3390/ma15062254

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