Abstract
AbstractHerein, an electrochemical sensor for the detection of H2O2 based on nafion glassy carbon electrode modified with MIL101(Cr) and nano‐MIL101(Cr) are developed and its electrochemical characterizations analyzed by CV and CA. In comparison with the NGCE, MIL101/NGCE and nano‐MIL101/NGCE, the nano‐MIL101/NGCE showed a sharp redox peak specific to H2O2 was obtained in the phosphate‐calibrated solution. nano‐MIL101/NGCE exhibited good linear response in terms of the relationship between peak currents and concentrations as from 0 to 650 μM (R2=0.99), with a low limit of detection 3.8 μM, high sensitivity 986 μA mM−1 cm−2 and nano‐MIL101/NGCE exhibited ideal repeatability, reproducibility, stability and the interference‐free perception of H2O2.
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