Kinetic Process with Anti-Frenkel Disorder in a CsPbI3 Perovskite
Taoyuze Lv,
Yuhang Liang,
Fang Zeng
et al.
Abstract:Halide perovskites are rich in ionic diffusion phenomena due to their low activation energy. The soft lead iodide lattice can, in theory, endow the system with more complex defect collaborative motions. In this work, we systematically investigated the hopping mechanics of iodide interstitials with respect to various defect behaviors, such as anti-Frenkel disorder creation and annihilation. We found that the existence of iodide vacancies and interstitials can effectively lower the creation barrier of additional… Show more
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