Electrochemical determination of tert-butylhydroquinone by ZIF-67@TiO2 derived hierarchical TiO2/Co/NCNTs?
New Journal of Chemistry Pub Date: 2023-07-27 DOI: 10.1039/D3NJ02149A
Abstract
A heterostructured TiO2/Co nanoparticle/N-doped carbon nanotube (TiO2/Co/NCNT) nanomaterial was derived from ZIF-67@TiO2 by calcination at high temperature in an Ar/H2 atmosphere. The obtained TiO2/Co/NCNT composite was made up of numerous dodecahedron-like boxes with twisting nanotubes on surfaces, modified on a glassy carbon electrode (GCE) for the electrochemical determination of tert-butylhydroquinone (TBHQ). The excellent electrocatalytic performance of TBHQ could be owing to the combination of multi-phase composition, fast electron transfer and the constructed Co/Ti multi-active sites. The TiO2/Co/NCNT sensor showed a broad linearity from 0.04 to 100 μM with a low detection limit of 4 nM, and possessed stability, anti-interfering ability and reproducibility. Finally, the analytical utility of the TiO2/Co/NCNT sensor was checked by detecting TBHQ in edible oil.
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Journal Name：New Journal of Chemistry
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CAS no.: 89640-58-4
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