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Advances in Spinel Ferrite Photocatalysts: From Synthesis, Fundamental Mechanisms, and Solar Energy Conversion
Maryum Ali1,2, Tehzeeb Sawaira1, Muthumariappan Akilarasan3
1Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia.
Chemical Record (New York, N.Y.)
|July 6, 2026
Summary
Spinel ferrites are cost-effective photocatalysts with tunable properties. Enhancing their performance through synthesis and modification strategies unlocks potential for solar energy applications like hydrogen production and CO2 reduction.
Area of Science:
- Materials Science
- Nanotechnology
- Photocatalysis
Background:
- Spinel ferrites (MFe2O4) are promising due to their optoelectronic properties, stability, and low cost.
- Their application as photocatalysts is gaining traction for sustainable energy solutions.
Purpose of the Study:
- To review synthesis methods, photocatalytic mechanisms, and enhancement strategies for spinel ferrites.
- To explore diverse solar energy conversion applications of these materials.
- To identify challenges and future research directions for spinel ferrites in solar technologies.
Main Methods:
- Review of synthesis techniques for spinel ferrites.
- Analysis of strategies including morphology control, doping, heterojunctions, and surface modification.
- Compilation of applications in photocatalysis and photovoltaics.
Main Results:
- Various synthesis methods yield spinel ferrites with tunable properties.
- Enhancement strategies significantly improve visible light absorption, charge separation, and reactivity.
- Spinel ferrites demonstrate effectiveness in hydrogen production, PEC water splitting, CO2 reduction, pollutant degradation, and photovoltaics.
Conclusions:
- Spinel ferrites are multifunctional materials with significant potential for solar-driven energy and environmental applications.
- Further research is needed to overcome current challenges and fully exploit their capabilities.
- This review provides a roadmap for utilizing spinel ferrites in addressing global energy and environmental issues.
