Reduced graphene oxide in the construction of solid-state bromide-selective electrode
作者： N. V. Shvedene , A. V. Rzhevskaia , N. M. Anuchin , O. O. Kapitanova , A. N. Baranov
DOI: 10.1134/S1061934815030193
关键词: Ionophore 、 Graphene foam 、 Chemistry 、 Oxide 、 Graphene oxide paper 、 Graphene 、 Bromide 、 Inorganic chemistry 、 Electrode 、 Electrochemistry
摘要: To improve the electrochemical performance of solid-state printed electrodes, reduced graphene oxide is used as an intermediate layer (mediator) between surface a current collector and ionophore layer. A film was deposited onto electrodes by drop-casting, followed reduction deposition. An ionic liquid 1,3-dihexadecylimidazolium bromide served ionophore. The effect on characteristics ion-selective electrode studied, it shown that sensors electrochemically modified with have best performance. These exhibit stable, well-reproducible response to ions slope function close Nernstian value (−60.7 ± 0.7 mV/dec) low detection limit 3.6 × 10−6 M. time for all does not exceed 15 s even in dilute solutions.
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