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Electrodes and electrocatalysts for electrochemical hydrogen peroxide sensors: a assessment of design methods


H2O2 sensing is required in numerous organic and industrial purposes, for which electrochemical sensing is a promising alternative amongst numerous sensing applied sciences. Electrodes and electrocatalysts strongly affect the efficiency of electrochemical H2O2 sensors. Important efforts have been dedicated to electrode nanostructural designs and nanomaterial-based electrocatalysts. Right here, we assessment the design methods for electrodes and electrocatalysts utilized in electrochemical H2O2 sensors. We first summarize electrodes in several buildings, together with rotation disc electrodes, freestanding electrodes, all-in-one electrodes, and consultant business H2O2 probes. Subsequent, we focus on the design methods utilized in latest research to extend the variety of energetic websites and intrinsic actions of electrocatalysts for H2O2 redox reactions, together with nanoscale pore structuring, conductive helps, decreasing the catalyst measurement, alloying, doping, and tuning the crystal aspects. Lastly, we offer our views on the longer term analysis instructions in creating nanoscale buildings and nanomaterials to allow superior electrochemical H2O2 sensors in sensible purposes.

Graphical abstract: Electrodes and electrocatalysts for electrochemical hydrogen peroxide sensors: a review of design strategies

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