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Issue 32, 2019
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In situ formation of metal–organic framework derived CuO polyhedrons on carbon cloth for highly sensitive non-enzymatic glucose sensing

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Abstract

Metal–organic frameworks (MOFs) are considered promising templates for the fabrication of nanostructured materials with high porosities and high surface areas, which are important parameters for enhanced performance in sensing applications. Here, a facile in situ synthetic strategy to construct MOF-derived porous CuO polyhedrons on carbon cloth (CC) is reported. Uniform Cu(OH)2 nanorods are first synthesized on carbon cloth, followed by the conversion of Cu(OH)2 nanorods into porous CuO polyhedrons via a copper-based MOF, Cu–BTC, as the intermediate species. When evaluated as a glucose sensing electrode, the as-fabricated CuO polyhedrons/CC composite exhibits a high sensitivity of 13 575 μA mM−1 cm−2 with a fast response time (t90) of 2.3 s and a low detection limit of 0.46 μM. This work exemplifies the rational fabrication of porous nanostructures on conductive substrates for enhanced performance in glucose detection.

Graphical abstract: In situ formation of metal–organic framework derived CuO polyhedrons on carbon cloth for highly sensitive non-enzymatic glucose sensing

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Supplementary files

Article information


Submitted
11 Jun 2019
Accepted
18 Jul 2019
First published
18 Jul 2019

J. Mater. Chem. B, 2019,7, 4990-4996
Article type
Paper
Author version available

In situ formation of metal–organic framework derived CuO polyhedrons on carbon cloth for highly sensitive non-enzymatic glucose sensing

S. Cheng, X. Gao, S. DelaCruz, C. Chen, Z. Tang, T. Shi, C. Carraro and R. Maboudian, J. Mater. Chem. B, 2019, 7, 4990
DOI: 10.1039/C9TB01166H

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