Table 1: Performance comparison of the H2O2 sensors based on different-materials-modified electrodes.

MaterialLinear range (μM)Detection limit (nM)SensitivityReference

MWCNT/Ag nanohybrids50~170005001.42 μA mM−1[24]
Nano-TiO2/DNA/thionin nanocomposite50~2230050000[15]
Nafion and copper oxide nanoparticles0.15~900060[10]
CuO flower-like nanomaterials42.5~400016788.4 μA mM−1 cm−1[22]
CuO shuttlelike nanocrystals0.02~2507227μA mM−1This study