Two-dimensional SnSe material for solar cells and rechargeable batteries

Solar cells and rechargeable batteries have received extensive attention as important energy storage devices in the field of new energy. Improving their performance are increasingly important in the ever-changing development, so it is crucial to explore multifunctional new energy materials. Among the numerous metal selenides, tin selenide (SnSe) possesses a unique structure, excellent thermoelectric and optoelectronic properties, and high theoretical capacity as potential material for energy storage systems. It has been extensively investigated as absorber layer material or electrode material in solar cells and rechargeable batteries. This article provides a comprehensive review of the research progress of SnSe for solar cells and rechargeable batteries. The summarization of SnSe contains the properties, synthesis methods, reaction mechanisms and performance in solar cells and rechargeable batteries. Finally, the challenges and outlook of SnSe based solar cells and rechargeable batteries are also presented.