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Ordered Mesoporous Carbon Covered Carbonized Silk Fabrics for Flexible Electrochemical Dopamine Detection

Abstract

Flexible dopamine (DA) sensors are fabricated in this work with ordered mesoporous carbon covered carbonized silk fabrics (OMC/CSFs) as the working electrodes. The free-standing OMC/CSF electrodes are derived from the co-assembly of resol and block polymer with CSFs as substrates and the subsequent carbonization of the resulting composites. As the result, a homogeneous OMC layer with vertically aligned ordered mesopore arrays can grow on the surface of CSFs, which can effectively influence the electrochemical detection behaviors of OMC/CSFs towards DA. With the flexible OMC/CSF electrodes, the electrochemical DA sensors exhibit high sensitivity, good selectivity, a large linear detection range of 0.2 - 80 μM and a low limit detection of 0.11 μM, which are better than the recently reported flexible DA sensors based on precious-metal free electrodes.

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Publication details

The article was received on 10 Dec 2018, accepted on 11 Feb 2019 and first published on 12 Feb 2019


Article type: Paper
DOI: 10.1039/C8TB03242D
Citation: J. Mater. Chem. B, 2019, Accepted Manuscript

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    Ordered Mesoporous Carbon Covered Carbonized Silk Fabrics for Flexible Electrochemical Dopamine Detection

    X. Liu, X. Xi, C. Chen, F. liu, D. Wu, L. Wang, W. Ji, Y. Su and R. Liu, J. Mater. Chem. B, 2019, Accepted Manuscript , DOI: 10.1039/C8TB03242D

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