Table 2.

Comparison of the proposed sensor with the recently reported H₂O₂ sensors.

Electrode Material	Linear Range	LOD (µM)	Ref.
GO-Fe3O4-PAMAM-Pd/GCE	0.05–160 μM	0.01	[48]
Pd/TNM@rGO	up to 12 mM	0.0025	[49]
GQDs-CS/MB/GCE	1.0 µM–2.9 mM 2.9–11.78 mM	0.7	[50]
Paper/CNTs/AgNPs	1 μM–700 μM	-	[51]
CuNPs-rGO	up to 18 mM	601	[52]
LSG-Ag	0.1–10 mM	7.9	[53]
α-MoO3/GO/GCE	0.92 μM–2.46 mM	0.31	[54]
PtNPs@SPCEs	0–215 µM	1.9	[55]
MPS electrode	10 and 5000 μM	4.35	[56]
Pt-Pd/CFME	5–3920 µM	0.42	[57]
NiCoSe2/GCE	0.05 to 402 µM	0.03	[58]
Cu@Pt/C	0.50 μM–32.56 mM	0.15	[59]
Fe3O4@PEI@AuNPs-GRE	0.2–500.0 μM	0.07	[60]
Cu/Cu2O/FTO	0.2–2000 μM	0.04	[61]
AuNPs/n-GaN	40 µM–1 mM	10	[62]
Pd/AuNPs	0.5–6 mM	-	[63]
Ni−Bi/CC	0.1 μM–0.5 mM	0.00085	[64]
PtNP/rGO–CNT/PtNP/SPCE	25–1000 µM	4.3	[65]
Au@TiO2/MWCNTs/GCE	5–200 µM and 200 µM–6 mM	1.4	This work

PAMAM: Poly(amidoamine) dendrimer; TNM: tert-Nonyl mercaptan; GQDs: Graphene quantum dots; CS: Chitosan; MB: Methylene blue; LSG; Laser scribed graphene; SPCEs: Screen-printed carbon electrodes; MPS: Macroporous Silicon; CFME: Carbon fiber microelectrode; PEI: Polyethyleneimine; GRE: Graphite rod electrode; FTO: Fluorine doped tin oxide; CC: Carbon cloth.