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Synthesis of Ni2P/Ni12P5 bi-phase nanocomposite for efficient catalytic reduction of 4-nitrophenol based on the unique n-n heterojunction effects

Abstract

A novel heterostructure catalyst of Ni2P/Ni12P5 has been fabricated through a simple solvothermal method by modifying the molar ratio of initial raw materials. The products are characterized by X-ray powder diffraction (XRD), field emission scanning electron microscopy (FE-SEM), high-resolution transmission electron microscopy (HRTEM), nitrogen adsorption and X-ray photoelectron spectroscopy (XPS). It is found that the two phases, Ni2P and Ni12P5, are interlaced with one another in the as-formed nanocomposite, resulting in more interfaces. The bi-phase catalyst exhibits a markedly enhanced catalytic activity for reduction of 4-nitrophenol, as compared to that of the simplex Ni2P or Ni12P5. The enhanced catalytic activity can be attributed to the unique n-n series effects, which result in the ease of electron transfer over Ni2P/Ni12P5 bi-phase catalyst.

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Publication details

The article was received on 01 Jul 2017, accepted on 14 Jul 2017 and first published on 14 Jul 2017


Article type: Paper
DOI: 10.1039/C7DT02375H
Citation: Dalton Trans., 2017, Accepted Manuscript
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    Synthesis of Ni2P/Ni12P5 bi-phase nanocomposite for efficient catalytic reduction of 4-nitrophenol based on the unique n-n heterojunction effects

    F. Tian, D. Hou, W. Zhang, X. Qiao and D. Li, Dalton Trans., 2017, Accepted Manuscript , DOI: 10.1039/C7DT02375H

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