Uncooled mid-infrared lead salt photodetectors prepared by physical vapor deposition: revealing the generation and evolution mechanisms of photosensitization

Key Points

• Photosensitization mechanisms in lead salt photodetectors involve complex interactions during formation.
• Key evidence includes the observation of enhanced sensitivity with specific preparation methods leading to improved performance.
• Analysis of physical vapor deposition techniques demonstrates their crucial role in the generation of efficient photodetectors.
• Highlights the need for further research into the evolution mechanisms to optimize infrared device applications.