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Artificial photosynthesis over graphene-semiconductor composites. Are we getting better?
Min-Quan Yang1, Nan Zhang, Mario Pagliaro
1State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350002, P. R. China.
Chemical Society Reviews
|September 10, 2014
Summary
Graphene-semiconductor composites enhance solar energy conversion by utilizing graphene's conductivity. This review explores strategies to optimize these composites for improved photocatalytic performance.
Area of Science:
- Materials Science
- Nanotechnology
- Photocatalysis
Background:
- Graphene (GR)-semiconductor composites show promise for solar energy conversion due to graphene's electron-accepting properties.
- Current research on harnessing graphene's conductivity to boost semiconductor photocatalysis is limited.
Purpose of the Study:
- To review strategies for improving semiconductor photocatalytic performance using graphene.
- To address challenges in optimizing graphene-semiconductor composites for enhanced photocatalysis.
Main Methods:
- Focuses on strategies to enhance interfacial contact between graphene and semiconductors.
- Discusses methods for optimizing graphene's electronic conductivity and charge carrier transfer.
- Reviews assembly techniques for fabricating graphene-semiconductor composites with controlled structures.
Main Results:
- Identifies key strategies for improving photocatalytic efficiency through graphene integration.
- Highlights the importance of interfacial engineering and charge transfer optimization.
- Provides an overview of fabrication methods for practical applications.
Conclusions:
- Optimizing graphene-semiconductor composites requires a system-level design approach.
- Harnessing graphene's unique properties can significantly enhance composite photocatalytic performance.
- Further research is needed to fully exploit graphene's potential in photocatalysis.
