A Novel Nonenzymatic Hydrogen Peroxide Sensor Based on Magnetic Core-Shell Fe₃O₄@C/Au Nanoparticle Nanocomposite

Table 1

The performance comparison of different nonenzymatic H₂O₂ sensors.

Electrode modification	Linear range (mM)	Detection limit (μM)	Ref.
Co3O4/MWCNTs	0.02–0.43	2.46	[25]
PtAu	0.05–1.15	4.1	[26]
Pd/CNT	0.008–9.5	2.6	[27]
AgCo/MWCNTs	0.05–10	0.74	[28]
NPG@Ni	0.02–9.74	10	[29]
Se/PtNPs	0.01–1.5	3.1	[30]
Ag/NaX	0.02–11.76	9.1	[31]
Ag NW array	0.1–3.1	29.2	[32]
AgNPs	0.05–6.5	27	[33]
Fe3O4@C/CuNPs	0.08–372	32.6	[34]
Fe3O4@C/AuNPs	0.007–15	5	This work