Table 10 Comparison of the sensitivity of our angular SPR hybrid heterostructure sensor with the previous SPR sensors.
Ref | Configuration of SPR | Based on | Operating wavelength (nm) | Sensitivity |
|---|---|---|---|---|
Ni/ZnO nanocomposite assisted with graphene | Kretschmann configuration | 633 (angular interrogation) | 378.34\(\circ/\text{RIU}\) | |
Hetero-structured air/MoS2/nanocomposite/MoS2/graphene | Otto configuration | 633 (angular interrogation) | 200\(\circ/\text{RIU}\) | |
Prism (BK7), silver (Ag), titanium dioxide (TiO2), hybrid inorganic–organic halide perovskites (MAPbBr3) and graphene (Gr) layers | Kretschmann configuration | 632.8 (Angular interrogation) | 224\(\circ/\text{RIU}\) | |
A nanocomposite-based fiber optics sensor with platinum nanoparticles | Kretschmann configuration | Depend on (wavelength interrogation) | Not present | |
BK7 prism/Ag/BiFeO3/graphene/analyte | Kretschmann configuration | 633 | 293\(\circ/\text{RIU}\) | |
Ag metallic layer coated with chitosan–graphene oxide nanocomposite | By using SPR setup | 850 nm | 1.38◦ ppm − 1 | |
titanium, silver, graphene, photonic crystal, and a sensing layer | Not present | 633 | 72\(\circ/\text{RIU}\) | |
Proposed work | Prism/Ag/BiFeO3/AgNC/BiFeO3/S.m | Kretschmann configuration | 633 | 448\(\circ/\text{RIU}\) |
