Large grain size with reduced non-radiative recombination in potassium incorporated methylammonium-free perovskite solar cells
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Títol
Large grain size with reduced non-radiative recombination in potassium incorporated methylammonium-free perovskite solar cellsAutoria
Data de publicació
2022-12-31Editor
ElsevierISSN
1879-3398; 0927-0248Cita bibliogràfica
ANAYA GONZALEZ, Gabriela S., et al. Large grain size with reduced non-radiative recombination in potassium incorporated methylammonium-free perovskite solar cells. Solar Energy Materials and Solar Cells, 2022, vol. 248, p. 111964Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
https://www.sciencedirect.com/science/article/pii/S0927024822003828Versió
info:eu-repo/semantics/acceptedVersionParaules clau / Matèries
Resum
Organic–inorganic hybrid halide perovskites are widely considered to be one the most
promising material in photovoltaic technology, the use of this semiconductor as absorbent
layer in solar cells has attracted ... [+]
Organic–inorganic hybrid halide perovskites are widely considered to be one the most
promising material in photovoltaic technology, the use of this semiconductor as absorbent
layer in solar cells has attracted considerable interest due to their excellent properties. It has
been reported that the incorporation of potassium ion is a powerful strategy to tune the
perovskites properties, notwithstanding there has been some disagreement regarding the role
of this monovalent alkali metal within the perovskite structure. Here, we investigated the
impact of K+ on the film properties and photovoltaic performance in double cation perovskite
solar cells Cs 0.1 FA0.9PbI3 . Our results show that K + intervenes in the crystallization process
inducing the extraction of non-reactive PbI2 from the bulk, resulting in a notable
enhancement in morphology and reduced non-radiative recombination. The solar cells
fabricated with 3% of K+ content achieve a PCE of 19.3%, showing a significative
improvement in J sc , Voc and stability values compared with control devices . [-]
Publicat a
Solar Energy Materials and Solar Cells, 2022, vol. 248, p. 111964Entitat finançadora
Consejo Nacional de Ciencia y Tecnología | Helmholtz-Zentrum Berlin für Materialien und Energie | Deutsche Forschungsgemeinschaft | European Union's Horizon 2020 MSCA | Ministerio de Economía y Competitividad de España | Generalitat Valenciana | Ministerio de Economía, Industria y Competitividad de España | Ministerio de Asuntos Económicos y Transformación Digital, Gobierno de España
Codi del projecte o subvenció
SPP2196 | GRK 2642 | 764787 | ENE2017-85087-C3-1-R | PROMETEO/2020/028 | FJC2019-041835-I
Drets d'accés
info:eu-repo/semantics/openAccess
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