Water-dispersible Fe3O4 nanowires as efficient supports for noble-metal catalysed aqueous reactions

Yujiao Jiang; Guozhu Li; Xiaodi Li; Shuxiang Lu; Li Wang; Xiangwen Zhang

doi:10.1039/C3TA15097F

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Water-dispersible Fe₃O₄ nanowires as efficient supports for noble-metal catalysed aqueous reactions†

Yujiao Jiang,^ab Guozhu Li,*^a Xiaodi Li,^a Shuxiang Lu,*^b Li Wang^a and Xiangwen Zhang^a

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* Corresponding authors

^a Key Laboratory of Green Chemical Technology of Ministry of Education, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China
E-mail: gzli@tju.edu.cn

^b College of Material Science & Chemical Engineering, Tianjin University of Science & Technology, Tianjin 300457, PR China
E-mail: lshx@tust.edu.cn

Abstract

Water-dispersible magnetic Fe₃O₄ nanowires were synthesized at room temperature by the coprecipitation method using bio-inspired dopamine as a shape-directing surfactant. The as-synthesized nanowires were used to load a noble metal (Pd or Pt) for the preparation of magnetic nanocatalysts. The Fe₃O₄-nanowire supported noble metal exhibits bi-functional properties with stable water dispersion and excellent catalytic activity toward the hydrogenation of 4-nitrophenol and reduction of 4-nitrophenol by NaBH₄ in water. In addition, the magnetic heterostructured nanocatalysts show good separation ability and reusability for at least 5 successive cycles. Moreover, Pd/Fe₃O₄ nanowires can also act as an efficient catalyst for the Suzuki reaction under aqueous conditions.

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Article information

DOI: https://doi.org/10.1039/C3TA15097F
Article type: Paper
Submitted: 09 Dec 2013
Accepted: 16 Jan 2014
First published: 17 Jan 2014

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J. Mater. Chem. A, 2014,2, 4779-4787

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Water-dispersible Fe₃O₄ nanowires as efficient supports for noble-metal catalysed aqueous reactions

Y. Jiang, G. Li, X. Li, S. Lu, L. Wang and X. Zhang, J. Mater. Chem. A, 2014, 2, 4779 DOI: 10.1039/C3TA15097F

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Journal of Materials Chemistry A