Low‐Temperature Preparation of High‐Quality Perovskite Polycrystalline Films via Crystallization Kinetics Engineering

Preparation of lead halide perovskite polycrystalline films at a low annealing temperature is highly restricted by their intrinsically large crystallization activation energy, which hinders the conversion of the precursors/intermediates to perovskites and yields as‐prepared polycrystals with tiny gr...

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Veröffentlicht in:	Chemphyschem 2023-01, Vol.24 (1), p.e202200581-n/a
Hauptverfasser:	Sun, Yang, Wang, Xinli, Wang, Xinyue, Gao, Jie, Wang, Yi, Ai, Xi‐Cheng, Zhang, Jian‐Ping
Format:	Artikel
Sprache:	eng
Schlagworte:	Activation energy Annealing Crystal defects Crystal growth Crystallization crystallization kinetics engineering Crystals Grain size Kinetics Lead compounds lead halide perovskite Lewis base low-temperature preparation Metal halides Nucleation Perovskites photophysics Polycrystals Surface defects Synergistic effect Thioureas
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