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Updated: Jun 6, 2026

Multifunctional Hybrid Fe2O3-Au Nanoparticles for Efficient Plasmonic Heating
Published on: February 20, 2016
A highly active and sintering-resistant Au/FeOx-hydroxyapatite catalyst for CO oxidation.
Kunfeng Zhao1, Botao Qiao, Junhu Wang
1State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China.
A novel gold/iron oxide-hydroxyapatite composite shows high activity and stability for carbon monoxide (CO) oxidation at low temperatures. This material also resists sintering even after high-temperature calcination.
Area of Science:
- Materials Science
- Catalysis
- Nanotechnology
Background:
- Low-temperature CO oxidation is crucial for environmental remediation and air purification.
- Developing stable and highly active catalysts that resist sintering under harsh conditions remains a challenge.
Purpose of the Study:
- To synthesize and characterize a novel composite material for efficient CO oxidation.
- To evaluate the catalytic activity, stability, and sintering resistance of the composite.
Main Methods:
- Deposition-precipitation method for composite preparation.
- Catalytic testing for CO oxidation.
- High-temperature calcination to assess sintering resistance.
Main Results:
- The gold/iron oxide-hydroxyapatite composite exhibited high activity and stability for CO oxidation at low temperatures.
- The composite demonstrated strong resistance to sintering, even after calcination at 600 °C.
Conclusions:
- The developed composite is a promising candidate for low-temperature CO oxidation applications.
- The material's stability and sintering resistance offer advantages over traditional catalysts.
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