Halide Perovskite: A Promising Candidate for Next-Generation X-Ray Detectors

Area of Science:

• Materials Science
• Semiconductor Physics
• Detector Technology

Background:

• Metal halide perovskites (HP) are advanced semiconductor materials with significant potential in photovoltaic and photoelectric applications.
• HP materials exhibit strong X-ray absorption, high resistivity, and compatibility with integrated circuits, making them suitable for X-ray detection.

Purpose of the Study:

• To review the fundamental principles of direct and indirect X-ray detectors.
• To evaluate the applicability of HP materials for X-ray detection, considering their advantages and disadvantages.
• To explore various preparation methods and structural dimensions of HP for X-ray detection.

Main Methods:

• Summarizing working principles of direct and indirect X-ray detectors.
• Analyzing the pros and cons of different perovskite types for X-ray detection.
• Reviewing preparation methods (single crystal, polycrystalline) and structural dimensions (0D, 2D, 3D) of HP.
• Discussing recent progress in flexible X-ray detection using HP.

Main Results:

• HP materials offer strong potential for both direct and indirect X-ray detection.
• Various preparation methods and structures (0D, 2D, 3D) influence HP performance in X-ray detection.
• Polycrystalline HP show promise for flexible X-ray detector applications.

Conclusions:

• HP-based X-ray detectors present significant opportunities but face challenges.
• Future research should focus on overcoming current limitations and optimizing HP for enhanced X-ray detection performance and practical applications.