Advances in ZnO-Material Based UV Photodetectors

This article comprehensively presents the latest development of state-of-the-art research and development in ZnO-material based ultraviolet (UV) photodetectors (PDs). A special focus to address the device physical mechanism understanding using modeling studies is carried out. A detailed analysis of different methods for improving the existing device performance is also discussed. The superior features of dual ion beam sputtering (DIBS) as a material growth system in order to realize high-performance UV PDs is presented. Most importantly, this article outlines the approach for improving the existing device performance by both modeling and fabrication methods. From the advantageous blistering evolution in material and device processes, alloyed ZnO-based UV PDs till date are one of the most prospective reliable solutions for UV detection technology. This article can provide indispensable insights into the current scenario of UV PDs and spur new structure alongwith device designs to further enhance photodetection performance. Finally, the article is concluded with some perspectives and outlook on the future developments in this area.