Citation: HUANG Jian-Ping, CHEN Fang, SHE Xiao-Mei, WANG He, SHI Hui-Ming. Solvothermal Synthesis and Photocatalytic Property of Fe-CeO₂ and N-Fe-CeO₂[J]. Chinese Journal of Inorganic Chemistry, ;2018, 34(5): 834-842. doi: 10.11862/CJIC.2018.092 shu

Solvothermal Synthesis and Photocatalytic Property of Fe-CeO₂ and N-Fe-CeO₂

1.
School of Materials Science and Engineering, Hunan University, Changsha 410082, China
2.
School of Physics and Electronic, Hunan University, Changsha 410082, China

Corresponding author: HUANG Jian-Ping, hjphit_1983@163.com
Received Date: 29 September 2017
Revised Date: 19 January 2018

Figures(8)

Fe-CeO₂ nanopowders with different dopant contents and N-10% Fe-CeO₂ (n_Fe/(n_Fe+n_Ce)=10%) nanopowders using different N-including original materials were synthesized by solvothermal method. The morphology and structure of the nanopowders were analyzed by TEM, XRD, XPS, Raman and UV-Vis spectrometer. The photocatalytic activity was investigated by degrading methylene blue (MB) solution. The results show that the photocatalytic property of CeO₂ can be improved by Fe doping. The photocatalytic efficiency reaches the highest for 10% Fe-CeO₂, which improve the degradation rate of pure CeO₂ from 67% to 95%. N doping can adjust the photocatalytic property of 10% Fe-CeO₂. Using concentrated ammonia as N-including original material, the degradation rate of NH₃·H₂O-N-10% Fe-CeO₂ can be further increased to 97%. Moreover, NH₃·H₂O-N-10% Fe-CeO₂ catalyst has excellent performance stability. The photocatalystic degradation rate of MB still remains 89% when the catalyst undergoes 5 recycles usage. The enhanced photocatalytic efficiency can be attributed to the changes of the phase structure and energy band of CeO₂ by doping Fe and N, which contribute the production of electrons and holes and their catalystic reaction.
- doping,
- CeO₂,
- solvothermal,
- photocatalysis
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Solvothermal Synthesis and Photocatalytic Property of Fe-CeO2 and N-Fe-CeO2

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通讯作者: 陈斌, bchen63@163.com

Solvothermal Synthesis and Photocatalytic Property of Fe-CeO₂ and N-Fe-CeO₂