Abstract
AbstractIn this work, we clearly demonstrate the use of a transition‐metal phosphide/sulfide nanocomposite to set up an electrochemical reduction analysis platform for the sensitive and selective non‐enzymatic detection of H2O2. With the help of a macroporous nickel foam (NF) as the substrate, the noble‐metal‐free electrocatalyst nanocomposites of Ni3P and Ni3S2 were directly synthesized in one step on the surface of the NF. The Ni3P‐Ni3S2/NF based electrochemical sensors present excellent electrocatalytic activity for H2O2 reduction with a detection limit of approximately 0.3 μM and a large detection range, which guarantees the possibility of sensitive and reliable detection of H2O2.
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