Halide Perovskites for Photo(electro)catalytic Sustainable Energy: Recent Advances and Challenges

Area of Science:

• Materials Science
• Renewable Energy
• Photocatalysis

Background:

• Solar-to-chemical energy conversion is crucial for sustainable energy.
• Halide perovskites possess excellent photoelectric properties for photocatalysis.
• Current photocatalysts face challenges in efficiency and stability.

Purpose of the Study:

• To review halide perovskite structure, properties, and synthesis.
• To summarize advances in photocatalytic and photoelectrocatalytic applications.
• To identify strategies for overcoming perovskite limitations.

Main Methods:

• Systematic review of halide perovskite literature.
• Analysis of photocatalytic applications (H2 production, CO2 reduction, pollutant degradation).
• Evaluation of strategies like composition engineering and heterostructure construction.

Main Results:

• Halide perovskites are promising but face instability, lead toxicity, and charge recombination issues.
• Composition engineering, heterostructures, and encapsulation improve performance.
• Lead-free alternatives and integrated systems offer potential.

Conclusions:

• Rational design of next-generation halide perovskite photocatalysts is key.
• Addressing stability and environmental concerns is vital for practical application.
• Future research should focus on sustainable and efficient solar-to-chemical energy conversion.