Pressure-assisted crystallization techniques for high-performance metal halide perovskite devices
Yuan Yu , Huitian Du , Qiang Liu , Zhiyong Pang
Microstructures ›› 2025, Vol. 5 ›› Issue (3) : 2025046
Pressure-assisted crystallization techniques for high-performance metal halide perovskite devices
The Pressure-assisted crystallization (PAC) technique has evolved alongside the development of metal halide perovskite materials, effectively harnessing the soft lattice characteristics of perovskites and integrating with thermal processing methods to enable the transformation of perovskite materials from fine grains into quasi-single crystals. This technique has led to significant improvements in the performance of perovskite functional devices. In recent years, a wealth of research on the PAC technique has emerged, and this paper provides a comprehensive review of these studies. The review systematically explores the role of the PAC process in perovskite materials from three key aspects: the mechanism of PAC, the effect of PAC, and the application of PAC in devices. It highlights how pressure significantly enhances the quality of perovskite films and wafers, as well as the performance of related devices, by promoting grain growth, merging grain boundaries, and eliminating voids. Finally, the paper assesses the challenges faced by PAC techniques and offers a forward-looking perspective on their future development.
Pressure-assisted / crystallization / thermal treatment / metal halide perovskite / functional devices
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