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- W2085497943 abstract "Nanoporous (NP) Fe2O3/CoO composites were straightforwardly fabricated by a simple dealloying strategy. Electron microscopy characterization demonstrates that selectively etching FeCoAl ternary alloy in a low concentration of NaOH solution generates a nanoparticle structure with a typical diameter around 80 nm. Interestingly, these nanoparticles consist of open three-dimensional bicontinuous nanosponge structure with uniform pore and ligament distribution around 10 nm. The resulted sample is confirmed to be a mixture of Fe2O3 and CoO species based on X-ray photoelectron spectroscopy and X-Ray diffraction analysis. Without any activation pretreatment, NP-Fe2O3/CoO composites exhibit excellent electro-oxidation activity toward H2O2, such as an excellent sensing performance in a wide linear sensing region from 0.05 to 4.85 mM H2O2, fast amperometric response (<2 s), and a lower detection limit to 0.1 μM. Along with these attractive features, the as-made composites also behave as a good anti-interference towards glucose, uric acid, dopamine, and ascorbic acid during H2O2 detection. Furthermore, the H2O2 biosensor based on NP-Fe2O3/CoO composites also exhibits excellent long-term stability and reproducibility." @default.
- W2085497943 created "2016-06-24" @default.
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- W2085497943 date "2013-04-01" @default.
- W2085497943 modified "2023-09-26" @default.
- W2085497943 title "Highly sensitive detection of hydrogen peroxide based on nanoporous Fe2O3/CoOcomposites" @default.
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- W2085497943 doi "https://doi.org/10.1016/j.bios.2012.11.016" @default.
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