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Issue 36, 2014
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A novel electroactive hybrid film electrode with proton buffer effect for detecting hydrogen peroxide and uric acid

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Abstract

In this study, a novel hybrid film electrode with proton buffer effect for the detection of hydrogen peroxide (H2O2) and uric acid (UA) was fabricated by a facile one-step electrosynthesis method using cyclic voltammetry (CV). The electrode was composed of a nickel hexacyanoferrate cubic nanoparticle (NiHCNP) inlaid poly(neutral-red) (PN) film formed on carbon nanotube-(CNTs) modified glassy carbon (GC) plate. PN in the hybrid film was found to not only act as a proton buffer, which can receive and release protons to meet the demands of electrocatalytic reaction, but also to anchor NiHCNP on the surface of CNTs and stabilize NiHCNP. The morphology and structure of the as-prepared NiHCNP/PN/CNTs hybrid film was characterized using scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectrum (EDS), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FT-IR). The prepared hybrid film electrodes showed excellent electrocatalytic activity with high sensitivity, fast response time and low detection limit for the detection of H2O2 as well as UA.

Graphical abstract: A novel electroactive hybrid film electrode with proton buffer effect for detecting hydrogen peroxide and uric acid

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Publication details

The article was received on 29 Apr 2014, accepted on 15 Jul 2014 and first published on 16 Jul 2014


Article type: Paper
DOI: 10.1039/C4TA02135E
Citation: J. Mater. Chem. A, 2014,2, 15035-15043
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    A novel electroactive hybrid film electrode with proton buffer effect for detecting hydrogen peroxide and uric acid

    Z. Wang, Y. Ma, X. Hao, W. Huang, G. Guan, A. Abudula and H. Zhang, J. Mater. Chem. A, 2014, 2, 15035
    DOI: 10.1039/C4TA02135E

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