Electrodeposition of perovskite for carbon-based solar cells architecture: Impact of 5-AVAI on the traditional MAPbI3 perovskite - Archive ouverte HAL Accéder directement au contenu
Poster De Conférence Année : 2024

Electrodeposition of perovskite for carbon-based solar cells architecture: Impact of 5-AVAI on the traditional MAPbI3 perovskite

Résumé

Electrodeposition was investigated in this work as a substitute method to develop large area perovskite active layers for carbon-based perovskite solar cells (C-PSCs) application. This innovative perovskite deposition process could pave the way for the industrialization and marketing of carbon-based perovskite solar cells architecture. Indeed, it is a low-cost process, leading to smooth & uniform layers, over large areas. In addition, it is produced under ambient conditions (with no need of glove box), and is environmentally friendly in terms of solvent engineering, since no toxic solvents are needed to stabilize or improve the morphology of the layers obtained. The present study looks at the influence of 5-AVAI (AVAI = ammonium valeric acid iodide) in the fabrication of traditional MAPbI3 perovskite. Several studies have already shown that the addition of this additive improves the stability and performance of carbon perovskite solar cells produced by spin coating or drop casting. However, in the literature, the effect of 5-AVAI has never been studied on cells produced by electrodeposition. The present study therefore involved varying the ratios of MAI: AVAI in the conversion bath in order to study the effect of this additive on C-PSCs realized by electrodeposition. It was noticed that according to MAI:AVAI ratios infiltrated in the perovskite lattice, different microstructures, optical and chemical properties are obtained. The perovskites obtained thus have different bandgap energies, crystallinity rates and stabilities. A correlation will thus be established with the photovoltaic performance of electrodeposited C-PSCs varying with the amount of 5-AVAI. In addition, it was shown that for a certain quantity of 5-AVAI, the cells showed a 65% enhancement in PCE after 150h of post treatment at 40°C, under vacuum.

Domaines

Matériaux
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Dates et versions

hal-04560210 , version 1 (26-04-2024)

Identifiants

  • HAL Id : hal-04560210 , version 1

Citer

Romain Lavoipierre, Emilie Planes, Lionel Flandin, Lara Perrin. Electrodeposition of perovskite for carbon-based solar cells architecture: Impact of 5-AVAI on the traditional MAPbI3 perovskite. Journées Pérovskites Halogénées 2024, Apr 2024, Aix-les-Bains, France. . ⟨hal-04560210⟩
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