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Issue 9, 2019
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MOF/PAN nanofiber-derived N-doped porous carbon materials with excellent electrochemical activity for the simultaneous determination of catechol and hydroquinone

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Abstract

In this work, ZIF-67 decorated with polyacrylonitrile (PAN) was electrospun to obtain composite ZIF-67/PAN nanofibers, which were used to construct C-ZIF-67/PAN-800 via one-step pyrolysis at 800 °C under a N2 atmosphere. Then, a strategy for constructing a sensor for the simultaneous determination of hydroquinone (HQ) and catechol (CC) was proposed using a C-ZIF-67/PAN-800-modified glass carbon electrode (GCE). Additionally, C-ZIF-67-800 was fabricated as a reference through the pyrolysis of ZIF-67 in the absence of PAN at 800 °C. C-ZIF-67/PAN-800/GCE showed much better electrochemical activity for the simultaneous determination of HQ and CC than C-ZIF-67-800/GCE. Under optimal conditions, C-ZIF-67/PAN-800/GCE exhibited a wide detection range of 1–120 μM and 1–200 μM for HQ and CC, respectively, and both detection limits were 1.0 μM. Our work proves that the electrochemical properties of MOF-derived porous carbon materials can be tuned by electrospinning.

Graphical abstract: MOF/PAN nanofiber-derived N-doped porous carbon materials with excellent electrochemical activity for the simultaneous determination of catechol and hydroquinone

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Publication details

The article was received on 23 Jan 2019, accepted on 31 Jan 2019 and first published on 04 Feb 2019


Article type: Paper
DOI: 10.1039/C9NJ00417C
Citation: New J. Chem., 2019,43, 3913-3920

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    MOF/PAN nanofiber-derived N-doped porous carbon materials with excellent electrochemical activity for the simultaneous determination of catechol and hydroquinone

    M. Zhang, M. Li, W. Wu, J. Chen, X. Ma, Z. Zhang and S. Xiang, New J. Chem., 2019, 43, 3913
    DOI: 10.1039/C9NJ00417C

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