Enhanced Sensitivity of Surface Plasmon Resonance Biosensor Functionalized with Doped Polyaniline Composites for the Detection of Low-Concentration Acetone Vapour

<div>(a) Optimisation of the thickness of gold layer for SPR sensing in gas phase. The inset shows the thickness that gives the deepest reflectance minimum (46 nm). (b) Reflectance minima versus different thicknesses of gold layer.</div>

Journal of Sensors

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Figure 5

Figure 5: Enhanced Sensitivity of Surface Plasmon Resonance Biosensor Functionalized with Doped Polyaniline Composites for the Detection of Low-Concentration Acetone Vapour 

Figure 5 | Enhanced Sensitivity of Surface Plasmon Resonance Biosensor Functionalized with Doped Polyaniline Composites for the Detection of Low-Concentration Acetone Vapour 