Table 2.

Illustrates the performance parameters of the Ag@WO₃ core–shell NPs/Si-based PD (designed in this study), compared to other reported PDs operating within a wide band gap.

Photodetector	Bias (V)	Responsivity (mA W-1)	Detectivity (Jones)	Rise/fall time (ms)
Ag@WO3 core–shell (This work)	3	0.032 @ 350 nm	35 × 1013 at 350 nm	320 / 330
Ag@WO3 core–shell (This work)	3	0.026 @ 490 nm	28 × 1013 at 490 nm
MoS2/GaN NRs/Si112	0	1.42 × 104 @ 900 nm	2.72 × 1013	0.039 / 0.008
MoS2/AlN/Si113	0	9.93 @ 900 nm	_________	____/___
WO3−δ films114	2	0.12 @ 365 nm	2.1 × 1010	____/___
n-Bi2Se3/p-GaN115	3	24,554	_____________	63 / 43
MoTe2/monolayer graphene116	VD = 1	9.71 × 105 @ 1064 nm (202 mW)	1.55 × 1011	78/375