Tsao, Hoi Nok

Optoelectronic devices based on perovskite materials have shown significant improvement due to the direct and tunable bandgaps, large absorption coefficients, broad absorption spectra, high carrier mobilities, and long carrier diffusion lengths. In addition to the excellent performance in solar cells, scientists have utilized perovskite materials for other optoelectronic applications as well. This review details the figures‐of‐merit and the development of perovskite‐based photodetectors, including UV to NIR detection and high energy particle sensing. Discussions are made based on different device structures. Furthermore, gas, compound, temperature, and pressure sensors using perovskite materials are reviewed. “Miscellaneous” functionality and “perspicacious” performance have been achieved with these devices.