Self-Driven and High-Performance Photodetector Based on GeSe/Si van der Waals Heterojunction with Fast Photoresponse Speed

Key Points

• The aim is to investigate the performance of a photodetector created from GeSe and silicon via van der Waals heterojunctions.
• Fabrication of a GeSe/Si heterojunction
• Assessment of photoresponse speed
• Evaluation of interface quality
• Comparison with standard photodetectors
• Achieved rapid photoresponse speed
• Demonstrated improved performance metrics
• Showed the potential for flexible electronic applications
• Validated benefits of 2D material integration