Piezo-phototronic and pyro-phototronic effects enabled advanced high-performance metal halide perovskite optoelectronics

In recent years, metal halide perovskite materials have been successfully adopted in various optoelectronic applications, owing to their remarkable material properties. Notably, the piezo-phototronic effect (a coining effect of piezoelectric, semiconducting and photoexcitation properties) in metal halide perovskite can be expected to further enhance device performances. In this review, we provide a comprehensive overview of metal halide perovskite materials and their recent advancements through the utilization of the piezo-phototronic effect and the pyro-phototronic effect. Firstly, the molecular structure, growing methods, optical and piezoelectric properties of perovskite are discussed. Subsequently, this review delves into the fundamental principles and practical applications of the piezo-phototronic effect, emphasizing its significance in diverse fields such as. Thirdly, recent studies on the pyro-phototronic effect, spintronics, and light emission are surveyed. Last but not least, challenges that may hinder the development of the piezo-phototronic effect and pyro-phototronic effect in perovskites are summarized. This review emphasizes the advances in the application of the piezo-/pyro-phototronic effect in perovskite-based optoelectronic devices. It aims to provide a comprehensive understanding of the piezo-/pyro-phototronic effect as an effective tool to enhance device performances as well as to inspire potential design for high-performance perovskite-based optoelectronic devices in the future.