Table 3.

Summary of the conditions for each type of 2D perovskite to achieve the largest Goos–Hänchen lateral shift while simultaneously with high resolution.

Excitation Wavelength λ (nm)	Type of P	Silver Thickness (nm)	Number of P Layers (L)	Minimum Reflectivity	θSPR (Deg) w/o Biomolecules	ΔLshift (μm) (Δnbio = 1.2 × 10−6)	Sensitivity (μm/RIU)	FWTM (Deg)
633	MAPbI3	49	1	1.6230 × 10−6	52.8446	12.0978	1.0082 × 107	0.3439
532	MAPbBr3	47	2	1.5852 × 10−7	55.7627	29.2289	2.4357 × 107	1.2922
604	MAPbI3−xClx	48	1	1.2960 × 10−7	53.2981	486.2172	4.0518 × 108	0.5011
604	FAPbI3	45	2	2.1674 × 10−8	54.3543	1.5435 × 103	1.2862 × 109	0.8655