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Pulsed Laser Deposition of Cs2AgBiBr6: from Mechanochemically Synthesized Powders to Dry, Single-Step Deposition

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Pulsed Laser Deposition of Cs2AgBiBr6: from Mechanochemically Synthesized Powders to Dry, Single-Step Deposition

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dc.contributor.author	Rodkey, Nathan
dc.contributor.author	Kaal, Stan
dc.contributor.author	Sebastia-Luna, Paz
dc.contributor.author	Birkhölzer, Yorick A.
dc.contributor.author	Ledinsky, Martin
dc.contributor.author	Palazón Huet, Francisco
dc.contributor.author	Bolink, Henk
dc.contributor.author	Morales-Masis, Monica
dc.date.accessioned	2022-03-25T13:41:16Z
dc.date.available	2022-03-25T13:41:16Z
dc.date.issued	2021
dc.identifier.citation	Rodkey, Nathan Kaal, Stan Sebastia-Luna, Paz Birkhölzer, Yorick A. Ledinsky, Martin Palazón Huet, Francisco Bolink, Henk Morales-Masis, Monica 2021 Pulsed Laser Deposition of Cs2AgBiBr6: from Mechanochemically Synthesized Powders to Dry, Single-Step Deposition Chemistry of Materials 33 8 7417 7422
dc.identifier.uri	https://hdl.handle.net/10550/82040
dc.description.abstract	Cs2AgBiBr6 has been proposed as a promising lead-free and stable double perovskite alternative to hybrid and lead-based perovskites. However, the low solubility of precursors during wet synthesis, or the distinct volatility of components during evaporation, results in complex multistep synthesis approaches, hampering the widespread employment of Cs2AgBiBr6 films. Here, we present pulsed laser deposition of Cs2AgBiBr6 films as a dry, single-step and single-source deposition approach for high-quality film formation. Cs2AgBiBr6 powders were prepared by mechanochemical synthesis and pressed into a solid target maintaining phase purity. Controlled laser ablation of the double perovskite target in vacuum and a substrate temperature of 200 °C results in the formation of highly crystalline Cs2AgBiBr6 films. We discuss the importance of deposition pressure to achieve stoichiometric transfer and of substrate temperature during PLD growth to obtain high-quality Cs2AgBiBr6 films with grain sizes > 200 nm. This work demonstrates the potential of PLD, an established technique in the semiconductor industry, to deposit complex halide perovskite materials while being compatible with optoelectronic device fabrication, such as UV and X-ray detectors.
dc.language.iso	eng
dc.relation.ispartof	Chemistry of Materials, 2021, vol. 33, num. 8, p. 7417-7422
dc.subject	Materials
dc.subject	Nanotecnologia
dc.title	Pulsed Laser Deposition of Cs2AgBiBr6: from Mechanochemically Synthesized Powders to Dry, Single-Step Deposition
dc.type	journal article	es_ES
dc.date.updated	2022-03-25T13:41:16Z
dc.identifier.doi	10.1021/acs.chemmater.1c02054
dc.identifier.idgrec	149162
dc.rights.accessRights	open access	es_ES