Photonic Processing of MAPbI3 Films by Flash Annealing and Rapid Growth for High-Performance Perovskite Solar Cells
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Show full item recordcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/160292
comunitat-uji-handle3:10234/160293
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INVESTIGACIONMetadata
Title
Photonic Processing of MAPbI3 Films by Flash Annealing and Rapid Growth for High-Performance Perovskite Solar CellsAuthor (s)
Date
2022-10-06Publisher
Wiley; Wiley-VCH VerlagISSN
2367-198XBibliographic citation
Serafini, P., Boix, P.P., Barea, E.M., Edvinson, T., Sánchez, S. and Mora-Seró, I. (2022), Photonic Processing of MAPbI3 Films by Flash Annealing and Rapid Growth for High-Performance Perovskite Solar Cells. Sol. RRL , Vol. 6, Issue 12, 2200641. https://doi.org/10.1002/solr.202200641Type
info:eu-repo/semantics/articleVersion
info:eu-repo/semantics/publishedVersionSubject
Abstract
Defects in polycrystalline halide perovskite films can cause a decrease of the solar cell photoconversion efficiency and stability. The perovskite film enhanced during crystal growth by controlling the processing ... [+]
Defects in polycrystalline halide perovskite films can cause a decrease of the solar cell photoconversion efficiency and stability. The perovskite film enhanced during crystal growth by controlling the processing method can alleviate defects and the related recombination sites that affect the performance of cells. Herein, flash infrared annealing is employed to crystallize methylammonium lead iodide perovskite with a single heating pulse, where uniform grain domains are optically observed and mapped. Films are annealed with different temperature ramps up to 48 °C s−1 heating rate. Annealing with higher heating rates presents lower defect densities, decreases the Urbach energy tail, and improves the optoelectrical performance of the films. These improvements are rationalized by Raman spectroscopy of nucleation points and grain surface differences among the process variations. The role of crystal growth and subsequent film quality allows to achieve a champion photovoltaic device growth at 48 °C s−1 with stability around 250 h under 1 sun illumination and 60% relative humidity for 100 h under 3 sun (AM1.5G) illumination. In situ optical imaging is recorded during the process, confirming that rapid annealing, i.e., higher heating rates, contributes to obtain more stable devices with the added advantage of shorter processing time. [-]
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Sol. RRL 2022, 2200641Funder Name
H2020 European Research Council | Ministerio de Ciencia e Innovación of Spain (MICINN) | Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung | Generalitat Valenciana | Agencia Estatal de Investigación (AEI) Spain | Universitat Jaume I
Project code
info:eu-repo/grantAgreement/EC/H2020/724424–No-LIMIT | STABLE PID2019-107314RB-I00/ AEI/10.13039/501100011033 | info:eu-repo/grantAgreement/EC/H2020/825213 | 40B2-0_203626 | GRISOLIAP/2019/065 | PID2020-119628RB-C31 | DEPE2D UJI-B2019-09
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Except where otherwise noted, this item's license is described as © 2022 The Authors. Solar RRL published by Wiley-VCH GmbH
This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.