Citation: Ruowen Liang, Zhiyu Liang, Feng Chen, Danhua Xie, Yanling Wu, Xuxu Wang, Guiyang Yan, Ling Wu. Sodium dodecyl sulfate-decorated MOF-derived porous Fe₂O₃ nanoparticles: High performance, recyclable photocatalysts for fuel denitrification[J]. Chinese Journal of Catalysis, ;2020, 41(1): 188-199. doi: S1872-2067(19)63402-9 shu

Sodium dodecyl sulfate-decorated MOF-derived porous Fe₂O₃ nanoparticles: High performance, recyclable photocatalysts for fuel denitrification

Ruowen Liang ^a,c, ,
Zhiyu Liang ^a,b ,
Feng Chen ^a,b ,
Danhua Xie ^b ,
Yanling Wu ^b ,
Xuxu Wang ^c ,
Guiyang Yan ^a ,
Ling Wu ^c

a Province University Key Laboratory of Green Energy and Environment Catalysis, Ningde Normal University, Ningde 352100, Fujian, China;
b Fujian Provincial Key Laboratory of Featured Materials in Biochemical Industry, Ningde Normal University, Ningde 352100, Fujian, China;
c State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou 350002, Fujian, China

Received Date: 10 April 2019
Revised Date: 11 May 2019

Fund Project: This work was supported by the National Natural Science Foundation of China (21603112, 21806085), Natural Science Foundation of Fujian Province (2016J02692, 2019J01837), Natural Science Foundation of Ningde Normal University (2018T03, 2018Z02), and the Program of Innovative Research Team in Science and Technology in Fujian Province University (IRTSTFJ).

Magnetically recyclable porous sodium dodecyl sulfate (SDS)/Fe₂O₃ hybrids, which combine the porous structure of Fe₂O₃ and hydrophobicity of SDS, have been successfully synthesized for the first time. Porous Fe₂O₃ has been first pyrolyzed from MIL-100(Fe) using a simple two-step calcination route. Then, the obtained porous Fe₂O₃ nanoparticles have been self-assembled with SDS molecules and yielded hydrophobic SDS/Fe₂O₃ hybrids. The porous SDS/Fe₂O₃ hybrids have been demonstrated to be highly efficient for the denitrification of pyridine under visible light irradiation. The pyridine removal ratio has reached values as high as 100% after irradiation for 240 min. Combining the results of a series of experimental measurements, it was concluded that the superior photocatalytic performance of SDS/Fe₂O₃ hybrids could be attributed to (i) the fast electron transport owing to the unique porous structure of Fe₂O₃, (ii) the superior visible light absorption of Fe₂O₃ nanoparticles, and (iii) the "bridge molecule" role of SDS efficiently improving the separation and transfer across the interfacial domain of SDS/Fe₂O₃ of photogenerated electron-hole pairs. More significantly, after the catalytic reaction, the SDS/Fe₂O₃ hybrids could be easily recovered using magnets and reused during subsequent cycles, which indicated their stability and recyclability.
- MIL-100(Fe),
- Fe₂O₃,
- Surfactant,
- Photocatalytic denitrification,
- Pyridine
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Sodium dodecyl sulfate-decorated MOF-derived porous Fe2O3 nanoparticles: High performance, recyclable photocatalysts for fuel denitrification

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通讯作者: 陈斌, bchen63@163.com

Sodium dodecyl sulfate-decorated MOF-derived porous Fe₂O₃ nanoparticles: High performance, recyclable photocatalysts for fuel denitrification