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Recent Progress of Cellulose-Based Hydrogel Photocatalysts and Their Applications
Jinyu Yang1,2, Dongliang Liu1, Xiaofang Song1,2
1Hubei Key Laboratory of Radiation Chemistry and Functional Materials, Non-Power Nuclear Technology Collaborative Innovation Center, Hubei University of Science and Technology, Xianning 437100, China.
Gels (Basel, Switzerland)
|May 27, 2022
Summary
Cellulose-based hydrogels offer a sustainable solution for photocatalytic composites. These materials enhance catalyst performance and recyclability by preventing nanoparticle aggregation, addressing key challenges in advanced materials science.
Area of Science:
- Materials Science
- Environmental Science
- Chemical Engineering
Background:
- Nanosized photocatalysts often aggregate in aqueous solutions, hindering their recycling and effectiveness.
- Hydrogels provide a 3D network structure, high water absorption, and controllable shapes, making them ideal carriers.
- Cellulose, a biodegradable and biocompatible natural polymer, is a promising material for developing advanced hydrogel composites.
Purpose of the Study:
- To review the current research progress of cellulose-based hydrogel photocatalytic composites.
- To explore the properties and preparation methods of cellulose and its hydrogels.
- To examine the impact of hydrogels on photocatalytic properties and applications.
Main Methods:
- Literature review of cellulose-based hydrogel photocatalytic composites.
- Discussion of cellulose and hydrogel properties and synthesis.
- Classification of composites based on catalyst type and review of applications.
Main Results:
- Cellulose-based hydrogels improve catalyst adsorption and prevent nanoparticle aggregation, enhancing photocatalytic performance.
- Hydrogels' high permeability inhibits nanoparticle photocorrosion while maintaining catalytic activity.
- These composites show promise across various applications, driven by cellulose's sustainable attributes.
Conclusions:
- Cellulose-based hydrogels are effective carriers for photocatalysts, improving efficiency and recyclability.
- Further research is needed to address challenges and explore future development trends in this field.
- The use of natural polymers like cellulose offers a sustainable pathway for advanced photocatalytic materials.
