Peculiarities of CsPbBr3 perovskites melting in quasi-equilibrium conditions
The melting behavior of CsPbBr<sub>3</sub> perovskite was studied by differential thermal analysis (DTA). It was found that melting of CsPbBr<sub>3</sub> occurs non-isothermally in the temperature range of 561 to 570 °C. From the temperature dependence of the solid-phase melting rate, it was established that at 567±1 °C the change in the mechanism of the solid-phase melting goes from fragmentation to dissolution at the surface. The obtained values of the activation energy of the melting of the solid phase in CsPbBr<sub>3</sub> show that the activation energy of the dissolution of the solid-phase fragments is 4 times greater than the energy of the fragmentation of the solid phase.
Authors
- V. Kopach (ORCID: https://orcid.org/0009-0004-7927-983X)
- O. Kopach (ORCID: https://orcid.org/0000-0002-1513-5261)
- R. B. James (ORCID: https://orcid.org/0000-0001-6573-2040)
- P. Fochuk (ORCID: https://orcid.org/0000-0002-4149-4882)
- A. E. Bolotnikov
Institutions
- Yuriy Fedkovych Chernivtsi National University (UA)
- Brookhaven National Laboratory (US)
- Savannah River National Laboratory (US)
Publication Details
- Published
- 2024-08-13
- DOI
- https://doi.org/10.1117/12.3027496
- Primary Topic
- Material Science and Thermodynamics
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- U.S. Department of Energy
- European Commission
- National Nuclear Security Administration
- Office of Defense Nuclear Nonproliferation