Affiliation:
1. School of Materials and Chemical Engineering, Xi’an Technological University, Xi’an, China
Abstract
The research of photodetectors is rooted in the principle of photoelectric effect, which has become indispensable in human society. Photodetectors convert light signals into electrical signals and represent a crucial subdivision within modern optoelectronic technology. They play significant roles in optical communications, remote sensing, biomedical applications, industrial automation, and more. Two-dimensional MoS<sub>2</sub> has attracted considerable attention in optoelectronics due to its unique structure and performance characteristics. The research methods for photodetectors primarily include: Material Selection: Using semiconductor materials such as silicon, germanium, gallium arsenide, and indium arsenide. Silicon, in particular, is widely applied in optical communications, computer networks, medical diagnostics, and more. Technological Improvements: This involves high sensitivity detection techniques, automatic alignment technologies, and composite integration techniques to enhance the performance and application domains of photodetectors. Application Development: Exploring new applications of photodetectors in optical communications, medical imaging, security monitoring, etc., and improving their reliability and efficiency in practical applications.Research on photodetectors not only enhances their efficiency and performance in fields like communication, medicine, and security monitoring but also lays a solid foundation for future technological innovation and application expansion. With continuous advancements in technology, photodetectors are demonstrating vast application prospects and substantial market potential. Finally, the prospects and challenges associated with photodetectors in practical applications are also discussed.