Nanomechanical signatures of degradation-free influence of water on halide perovskite mechanics
oleh: Isaac Buchine, Irit Rosenhek-Goldian, Naga Prathibha Jasti, Davide R. Ceratti, Sujit Kumar, David Cahen, Sidney R. Cohen
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2022-10-01 |
Deskripsi
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.