Understanding the formation of polytypes, stacking faults, and grain boundaries during crystallization of FAPbI3 perovskite

25 May 2022, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Control over morphological evolution is essential to make efficient, stable and reproducible perovskite electronics. In this letter, molecular dynamics simulations are performed to understand the crystallization of polytypes, stacking faults and grain boundaries of formamidinium lead iodide.

Keywords

Formamidinium lead iodide
Polytypes
Stacking faults
Twin grain boundaries
MD simulations

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