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Crystal Reorientation and Amorphization Induced by Stressing Efficient and Stable P-I-N Vacuum-Processed MAPbI3 Perovskite Solar Cells

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Crystal Reorientation and Amorphization Induced by Stressing Efficient and Stable P-I-N Vacuum-Processed MAPbI3 Perovskite Solar Cells

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dc.contributor.author	Kaya, Ismail Cihan
dc.contributor.author	Zanoni, Kassio P. S.
dc.contributor.author	Palazón Huet, Francisco
dc.contributor.author	Sessolo, Michele
dc.contributor.author	Akyildiz, H.
dc.contributor.author	Sonmezoglu, S.
dc.contributor.author	Bolink, Henk
dc.date.accessioned	2021-04-28T09:35:34Z
dc.date.available	2021-04-28T09:35:34Z
dc.date.issued	2021
dc.identifier.citation	Kaya, Ismail Cihan Zanoni, Kassio P. S. Palazón Huet, Francisco Sessolo, Michele Akyildiz, H. Sonmezoglu, S. Bolink, Henk 2021 Crystal Reorientation and Amorphization Induced by Stressing Efficient and Stable P-I-N Vacuum-Processed MAPbI3 Perovskite Solar Cells Advanced Energy and Sustainability Research 2000065 1 12
dc.identifier.uri	https://hdl.handle.net/10550/78957
dc.description.abstract	Herein, the long‐term stability of vacuum‐deposited methylammonium lead iodide (MAPbI3) perovskite solar cells (PSCs) with power conversion efficiencies (PCEs) of around 19% is evaluated. A low‐temperature atomic layer deposition (ALD) Al2O3 coating is developed and used to protect the MAPbI3 layers and the solar cells from environmental agents. The ALD encapsulation enables the MAPbI3 to be exposed to temperatures as high as 150 °C for several hours without change in color. It also improves the thermal stability of the solar cells, which maintain 80% of the initial PCEs after aging for ≈40 and 37 days at 65 and 85 °C, respectively. However, room‐temperature operation of the solar cells under 1 sun illumination leads to a loss of 20% of their initial PCE in 230 h. Due to the very thin ALD Al2O3 encapsulation, X‐ray diffraction can be performed on the MAPbI3 films and completed solar cells before and after the different stress conditions. Surprisingly, it is found that the main effect of light soaking and thermal stress is a crystal reorientation with respect to the substrate from (002) to (202) of the perovskite layer, and that this reorientation is accelerated under illumination.
dc.language.iso	eng
dc.relation.ispartof	Advanced Energy and Sustainability Research, 2021, vol. 2000065, p. 1-12
dc.subject	Química
dc.title	Crystal Reorientation and Amorphization Induced by Stressing Efficient and Stable P-I-N Vacuum-Processed MAPbI3 Perovskite Solar Cells
dc.type	journal article	es_ES
dc.date.updated	2021-04-28T09:35:35Z
dc.identifier.doi	10.1002/aesr.202000065
dc.identifier.idgrec	143553
dc.rights.accessRights	open access	es_ES