MOF-derived in situ growth of carbon nanotubes entangled Ni/NiO porous polyhedrons for high performance glucose sensor

•Ni/NiO/CNTs were prepared using Ni-MOF as both carbon source and nickel source.•The CNTs were in situ grown directly on the surface of Ni/NiO porous polyhedrons.•The as prepared Ni/NiO/CNTs showed greatly enhanced glucose oxidation activity.•Improved performance may be due to the synergistic effect...

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Bibliographic Details
Published in:Materials letters 2018-06, Vol.221, p.267-270
Main Authors: Yin, Haoyong, Zhu, Jiajie, Chen, Junli, Gong, Jianying, Nie, Qiulin
Format: Article
Language:English
Subjects:
Carbon nanotubes
Electrochemical analysis
Glucose
Materials science
MOF
Nanotubes
Ni/NiO
Nickel oxides
Oxidation
Polyhedra
Porous materials
Sensors
Synergistic effect
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Summary:•Ni/NiO/CNTs were prepared using Ni-MOF as both carbon source and nickel source.•The CNTs were in situ grown directly on the surface of Ni/NiO porous polyhedrons.•The as prepared Ni/NiO/CNTs showed greatly enhanced glucose oxidation activity.•Improved performance may be due to the synergistic effect of metallic Ni and CNTs. The carbon nanotubes entangled Ni/NiO porous polyhedrons were obtained by in situ growing process with Ni-MOF precursor acting as both the carbon source and catalyst (Ni/NiO) source, which showed highly improved electrochemical performance. The enhanced glucose oxidation activity of Ni/NiO/CNTs may be due to the synergistic effect of metallic nickel and carbon nanotubes.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2018.03.156