Peculiarities of CsPbBr3 perovskites melting in quasi-equilibrium conditions

O. Kopach; V. Kopach; P. Fochuk; A. E. Bolotnikov; R. B. James

doi:10.1117/12.3027496

4 October 2024 Peculiarities of CsPbBr₃ perovskites melting in quasi-equilibrium conditions

O. Kopach, V. Kopach, P. Fochuk, A. E. Bolotnikov, R. B. James

Proceedings Volume 13151, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXVI; 131510N (2024) https://doi.org/10.1117/12.3027496
Event: Optical Engineering + Applications, 2024, San Diego, California, United States

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Abstract

The melting behavior of CsPbBr₃ perovskite was studied by differential thermal analysis (DTA). It was found that melting of CsPbBr₃ 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 CsPbBr₃ 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.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

O. Kopach, V. Kopach, P. Fochuk, A. E. Bolotnikov, and R. B. James "Peculiarities of CsPbBr₃ perovskites melting in quasi-equilibrium conditions", Proc. SPIE 13151, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXVI, 131510N (4 October 2024); https://doi.org/10.1117/12.3027496

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