Nanomechanical signatures of degradation-free influence of water on halide perovskite mechanics

Isaac Buchine; Irit Rosenhek-Goldian; Naga Prathibha Jasti; Davide R. Ceratti; Sujit Kumar; David Cahen; Sidney R. Cohen

doi:10.1038/s43246-022-00287-7

Communications Materials (Oct 2022)

Nanomechanical signatures of degradation-free influence of water on halide perovskite mechanics

Isaac Buchine,
Irit Rosenhek-Goldian,
Naga Prathibha Jasti,
Davide R. Ceratti,
Sujit Kumar,
David Cahen,
Sidney R. Cohen

Affiliations

Isaac Buchine: Bar-Ilan University, Dept. of Chemistry and Bar-Ilan Inst. of Nanotechnol. & Adv. Mater.
Irit Rosenhek-Goldian: Dept. of Chemical Research Support, Weizmann Inst. of Science
Naga Prathibha Jasti: Bar-Ilan University, Dept. of Chemistry and Bar-Ilan Inst. of Nanotechnol. & Adv. Mater.
Davide R. Ceratti: Dept. of Mol. Chem. & Materials Science, Weizmann Inst. of Science
Sujit Kumar: Bar-Ilan University, Dept. of Chemistry and Bar-Ilan Inst. of Nanotechnol. & Adv. Mater.
David Cahen: Bar-Ilan University, Dept. of Chemistry and Bar-Ilan Inst. of Nanotechnol. & Adv. Mater.
Sidney R. Cohen: Dept. of Chemical Research Support, Weizmann Inst. of Science

DOI: https://doi.org/10.1038/s43246-022-00287-7
Journal volume & issue: Vol. 3, no. 1
pp. 1 – 11

Abstract

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Humidity can change the properties of halide perovskites used in functional devices. Here, indentation experiments reveal that humidity causes an increase in elastic modulus and a decrease in hardness, which is correlated to bond length, hydrogen bonding and polarizability of the ions.

Published in Communications Materials

ISSN: 2662-4443 (Online)
Publisher: Nature Portfolio
Country of publisher: United States
LCC subjects: Technology: Electrical engineering. Electronics. Nuclear engineering: Materials of engineering and construction. Mechanics of materials
Website: https://www.nature.com/commsmat/

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