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Shape control of nickel crystals and catalytic hydrogenation performance of ruthenium-on-Ni crystals

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Abstract

Hierarchical nickel was synthesized by a facile hydrothermal reduction method using hydrazine hydrate as a reducing agent. The morphology of the hierarchical nickel was controlled by changing the hydrothermal temperature and surfactant. Ruthenium supported on hierarchical nickel (Ru/Ni) catalysts were obtained via the galvanic replacement reaction method. The catalytic performance of the Ru/Ni catalysts for benzene hydrogenation was also investigated. The Ru/Ni catalysts can be magnetically recovered after each reaction. The relationship between the catalytic activity and the morphology of the Ru/Ni catalyst was established in this work. The as-obtained hierarchical nickel and Ru/Ni were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), high-sensitivity low-energy ion scattering (HS-LEIS) spectroscopy, scanning electron microscopy energy dispersive X-ray spectroscopy (SEM-EDS), SEM-EDS mapping, transmission electron microscopy (TEM) and high resolution transmission electron microscopy (HRTEM) techniques.

Graphical abstract: Shape control of nickel crystals and catalytic hydrogenation performance of ruthenium-on-Ni crystals

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Publication details

The article was received on 23 Oct 2017, accepted on 20 Nov 2017 and first published on 20 Nov 2017


Article type: Paper
DOI: 10.1039/C7CE01847A
Citation: CrystEngComm, 2018, Advance Article
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    Shape control of nickel crystals and catalytic hydrogenation performance of ruthenium-on-Ni crystals

    L. Zhu, T. Zheng, J. Zheng, C. Yu, N. Zhang, Q. Zhou, W. Zhang and B. H. Chen, CrystEngComm, 2018, Advance Article , DOI: 10.1039/C7CE01847A

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