Electrical and Optical Properties of CsPbI۲Br and its Variants: A Comparative Review

This comprehensive review article examines the electrical and optical properties, synthesis methods, stability considerations, comparative analysis, challenges, and recent advancements of CsPbI۲Br and its variants. Through an extensive literature survey conducted using databases such as Scopus, Web of Science, and Google Scholar, coupled with a systematic organization of topics, we provide a holistic overview of the current state-of-the-art in CsPbI۲Br research. The review begins with an introduction outlining the importance of CsPbI۲Br in optoelectronic applications and the motivation behind conducting this study. We then describe the methodology used to gather and analyze relevant literature, including the selection criteria for articles and databases searched. Topics discussed include structural characteristics, variants of CsPbI۲Br, synthesis methods (such as chemical vapor deposition, solution-processed methods, and other techniques), comparison of synthesis methods, electrical and optical properties, stability and degradation mechanisms, comparative analysis with other halide perovskites, research trends, and recent advancements. Finally, the conclusion highlights the immense potential of CsPbI۲Br in various optoelectronic applications, despite challenges such as stability issues and material processing complexities. We emphasize recent advancements, including stabilization strategies, defect engineering, tandem cell integration, scalable fabrication methods, and emerging applications, as key drivers propelling CsPbI۲Br research toward practical implementation.

Keywords:

CsPbI۲Br , perovskite , optoelectronics , synthesis methods , stability , electrical properties , optical properties