Strategies toward High-Performance Solution-Processed Lateral Photodetectors.

Area of Science:

• Materials Science
• Device Physics
• Optoelectronics

Background:

• Solution-processed lateral photodetectors (PDs) are gaining importance due to cost-effectiveness and integration ease.
• Significant advancements have been made in improving PD performance.
• A comprehensive summary of progress, focusing on design and physics, is needed for further development.

Purpose of the Study:

• To introduce the working mechanisms and key performance metrics of photodetectors.
• To review strategies for high-performance PDs across various material classes.
• To generalize underlying physical principles and provide future development suggestions.

Main Methods:

• Introduction to photodetector (PD) working principles and figures-of-merit.
• Classification of active materials into inorganic, organic, hybrid, and perovskite categories.
• Discussion of performance enhancement strategies for each material class.

Main Results:

• Overview of established PD mechanisms and essential performance metrics.
• Detailed analysis of strategies applied to inorganic, organic, hybrid, and perovskite PDs.
• Identification of common physical principles governing performance improvements.

Conclusions:

• The review provides a consolidated understanding of solution-processed lateral PD advancements.
• It highlights key design principles and physical insights across diverse material systems.
• Future research directions are proposed based on generalized physical rules.