A normally-off hydrogen-terminated diamond phototransistor with high responsivity and rejection ratio

Key Points

• The aim is to develop a hydrogen-terminated diamond phototransistor with enhanced detection capabilities.
• Designed and fabricated a hydrogen-terminated diamond phototransistor.
• Evaluated responsivity and current ratio under various lighting conditions.
• Achieved a high responsivity value indicating superior detection capabilities.
• Demonstrated a large light-to-dark current ratio, enhancing its performance for solar-blind applications.