Small· 2026Q1· Review
Particulate Metal Oxysulfides for Photocatalytic and Photoelectrocatalytic Water Splitting
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- Q1SCImago
- 2026year
Short summary
Metal oxysulfides show promise for solar-driven water splitting using visible light, but their performance lags behind oxides and sulfides due to poor charge separation and surface catalysis.
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Key points
- Metal oxysulfides are investigated for solar water splitting using long-wavelength visible light.
- Their performance is hindered by poor charge separation and surface catalytic conversion compared to metal oxides and sulfides.
- Effective strategies include material synthesis, surface modification, and system construction.
- Focus is placed on improving charge separation and surface catalytic reactions for better photo(electro)catalyst design.
AI-generated from the title and abstract; the full text is not read.
Abstract
Narrow bandgap metal oxysulfide photo(electro)catalysts have been extensively investigated as effective candidates for solar energy conversion via water splitting using long-wavelength visible light. Up to now, considerable progress has been achieved over metal oxysulfide photo(electro)catalysts for water splitting. However, compared to metal oxide and metal sulfide photo(electro)catalysts, its performance is still inferior mainly owing to poor control in charge separation and surface catalytic conversion. To address this issue, this review is devoted to presenting a comprehensive illustration of research progress in this field. First, an overview of the fundamentals of photo(electro)catalytic water splitting systems and metal oxysulfides is provided. On this basis, the water splitting performance of representative metal oxysulfides is summarized, together with effective strategies covering material synthesis, surface modification, and system construction. Emphases are especially placed on the aspects of charge separation and surface catalytic reaction, offering promising design perspectives for advancing photo(electro)catalysts and integrated systems based on metal oxysulfides. Future prospects and challenges in developing efficient metal oxysulfide photo(electro)catalysts and their integrated systems are also discussed.
The authors' abstract, as published at the source. Small, 2026 · DOI ↗
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Field: Renewable Energy, Sustainability and the Environment
Renewable Energy, Sustainability and the EnvironmentEnergy