Recent Advances in Mn_xCd_1-xS Solid-Solution-Based Photocatalysts for Preparation, Modification, and Application.

Area of Science:

• Materials Science
• Photocatalysis
• Environmental Chemistry

Background:

• Mn_xCd_1-xS solid solutions are promising photocatalysts with broad visible-light response and efficient charge carrier mobility.
• These materials are extensively studied for applications in photocatalytic hydrogen evolution, CO₂ reduction, and pollutant degradation.

Purpose of the Study:

• To provide a comprehensive review of Mn_xCd_1-xS-based solid solution photocatalysts.
• To systematically discuss their synthesis, modification strategies, and diverse applications.
• To identify current challenges and propose future development directions for enhanced photocatalytic performance.

Main Methods:

• Review of common synthesis methods including hydrothermal, solvent-thermal, and high-temperature vulcanization.
• Analysis of modification techniques such as elemental doping, morphology control, heterojunction construction, and cocatalyst addition.
• Compilation of application data in photocatalytic hydrogen evolution, CO₂ reduction, and pollutant degradation.

Main Results:

• Mn_xCd_1-xS exhibits excellent visible-light photocatalytic activity.
• Various modification strategies significantly enhance the photocatalytic efficiency of Mn_xCd_1-xS.
• Solid solution photocatalysts offer tunable properties for targeted environmental applications.

Conclusions:

• Mn_xCd_1-xS-based photocatalysts are highly effective for various environmental remediation tasks.
• Continued research into synthesis and modification is crucial for developing efficient and stable photocatalytic systems.
• This review serves as a valuable resource for researchers aiming to advance Mn_xCd_1-xS photocatalyst technology.