Development and Functionalization of Visible-Light-Driven Water-Splitting Photocatalysts

Area of Science:

• Materials Science
• Renewable Energy
• Photocatalysis

Background:

• Global shift towards clean energy necessitates alternatives to fossil fuels, with hydrogen (H₂) as a key renewable energy carrier.
• Photocatalytic water-splitting using solar energy is a promising method for sustainable H₂ production.
• Current photocatalysts require improved efficiency, particularly in absorbing visible light, which constitutes the majority of solar radiation.

Purpose of the Study:

• To review recent developments in visible-light-driven water-splitting photocatalysts.
• To bridge knowledge gaps for researchers outside traditional fields like catalytic chemistry, ceramic materials chemistry, and electrochemistry.
• To accelerate the practical application of efficient visible-light water-splitting photocatalysts.

Main Methods:

• Comprehensive literature review of recent studies on visible-light-driven water-splitting photocatalysts.
• Analysis of photocatalyst development and functionalization strategies.
• Synthesis of information on current technologies and challenges.

Main Results:

• Identification of key advancements in designing photocatalysts that efficiently utilize visible light.
• Summary of strategies employed to enhance the performance of water-splitting photocatalysts.
• Highlighting the need for interdisciplinary collaboration to overcome existing limitations.

Conclusions:

• Visible-light-driven photocatalysts are essential for practical solar hydrogen production.
• Continued research and interdisciplinary efforts are needed to improve catalyst efficiency and scalability.
• This review provides a consolidated overview to facilitate broader participation and accelerate innovation in the field.