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Issue 6, 2016
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A NiMoS flower-like structure with self-assembled nanosheets as high-performance hydrodesulfurization catalysts

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Abstract

Uniform 3D NiMoS nanoflowers with self-assembled nanosheets were successfully synthesized via a simple hydrothermal growth method using cheap and nontoxic elemental sulfur as sulfur sources. The structure and morphology of the nanomaterials were characterized by SEM, TEM, XRD, Raman and XPS analyses, revealing that the NiMoS nanoflowers were composed of ultrathin nanosheets with a thickness of approximately 6–12 nm. The HRTEM results indicate that the curve/short MoS2 slabs on the nanosheets possess the characteristics of dislocations, distortions and discontinuity, which suggests a defect-rich structure, resulting in the exposure of additional Ni–Mo–S edge sites. The obtained NiMoS nanoflowers exhibited an excellent activity for thiophene hydrodesulfurization (HDS) and 4,6-dimethyldibenzothiophene deep HDS due to their high density of active sites. The outstanding HDS performance suggests that these NiMoS composites with a unique flower-like nanostructure could be useful as promising catalysts for deep desulfurization of fuel oils.

Graphical abstract: A NiMoS flower-like structure with self-assembled nanosheets as high-performance hydrodesulfurization catalysts

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Publication details

The article was received on 12 Dec 2015, accepted on 27 Dec 2015 and first published on 12 Jan 2016


Article type: Paper
DOI: 10.1039/C5NR08841K
Citation: Nanoscale, 2016,8, 3823-3833

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    A NiMoS flower-like structure with self-assembled nanosheets as high-performance hydrodesulfurization catalysts

    W. Lai, Z. Chen, J. Zhu, L. Yang, J. Zheng, X. Yi and W. Fang, Nanoscale, 2016, 8, 3823
    DOI: 10.1039/C5NR08841K

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