Electrocatalytic Oxidation of Hydrogen Peroxide Based on the Shuttlelike Nano-CuO-Modified Electrode

Table 1

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

Material	Linear range (μM)	Detection limit (nM)	Sensitivity	Reference
MWCNT/Ag nanohybrids	50~17000	500	1.42 μA mM^−1	[24]
Nano-TiO2/DNA/thionin nanocomposite	50~22300	50000	—	[15]
Nafion and copper oxide nanoparticles	0.15~9000	60	—	[10]
CuO flower-like nanomaterials	42.5~4000	167	88.4 μA mM^−1 cm^−1	[22]
CuO shuttlelike nanocrystals	0.02~250	7	227μA mM^−1	This study