MAPbX₃ Perovskite Single Crystals for Advanced Optoelectronic Applications: Progress, Challenges, and Perspective.

Area of Science:

• Materials Science
• Solid-State Physics
• Optoelectronics

Background:

• Perovskite single crystals exhibit remarkable optoelectronic properties, including long carrier diffusion lengths and high stability.
• Methylamino lead halide perovskite (MAPbX₃) is a key material with tunable bandgaps, excellent light absorption, and thermal/chemical stability.

Purpose of the Study:

• To summarize the unique characteristics of MAPbX₃ single crystals.
• To review universal growth technologies for MAPbX₃ single crystals and thin films.
• To discuss the optoelectronic device applications of MAPbX₃ single crystals.

Main Methods:

• Review of existing literature on MAPbX₃ single crystal properties and synthesis.
• Summary of growth techniques including inverse temperature crystallization and anti-solvent evaporation.
• Overview of thin-film fabrication methods like epitaxial and space-limiting techniques.

Main Results:

• Detailed summary of MAPbX₃ molecular structure, optical absorption, and carrier transport.
• Introduction to various crystal growth and thin-film deposition methods.
• Comprehensive review of applications in photodetectors, X-ray detectors, LEDs, lasers, and solar cells.

Conclusions:

• MAPbX₃ single crystals are promising for diverse optoelectronic applications.
• Challenges in large-scale preparation and growth need addressing.
• Continued advancements in perovskite technology will drive future innovations.