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Simple coordination complex-derived Ni NPs-anchored N-doped porous carbons with high performance for reduction of nitroarenes

Abstract

Coordination complexes are ideal sacrificial templates for fabricating their respective derivatives by changing the thermal conditions. In this study, nitrogen-doped hierarchical porous carbon anchored with nickel nanoparticles (Ni NPs) were prepared by using rod-like nickel dimethylglyoximate [Ni(dmg)2] as a sacrificial template under nitrogen flow at different temperatures. The structure, morphology and properties of the products were characterised by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), transmission electron microscopy (TEM), selected area electron diffraction (SAED), N2 adsorption–desorption measurements and ultraviolet-visible (UV-vis) spectrophotometry. The optimised Ni@NC-700 sample exhibited an excellent ability to reduce 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) by NaBH4 in an aqueous solution, which shortened the reduction time to 3.0 min with a conversion of nearly 100%. In addition, the Ni@NC-700 possessed magnetic properties, which provided efficient separation by external magnetic field. This present report may provide a potential and favourable method for preparing magnetically reusable Ni NPs anchored N-doped porous carbon catalysts derived from the simple coordination complex.

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Publication details

The article was received on 30 Aug 2017, accepted on 01 Oct 2017 and first published on 02 Oct 2017


Article type: Paper
DOI: 10.1039/C7CE01571B
Citation: CrystEngComm, 2017, Accepted Manuscript
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    Simple coordination complex-derived Ni NPs-anchored N-doped porous carbons with high performance for reduction of nitroarenes

    D. Xu, Y. Pan, L. Zhu, Y. yusran, D. zhang, Q. Fang, M. Xue and S. Qiu, CrystEngComm, 2017, Accepted Manuscript , DOI: 10.1039/C7CE01571B

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