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. 2016 Jun 16;6:28190. doi: 10.1038/srep28190

Table 2. The optimized values of gold thin film, silicon nanosheet thickness and the number of MX2 layers with corresponding excitation wavelength, change in resonance angle, sensitivity and FWHM of the SPR curve for each silicon-MX2 nanosheet enhanced model.

Excitation wavelength (nm) Type of TMDC Gold thickness (nm) Silicon thickness (nm) Number of WS2 layers (L) Minimum Reflectivity ΔθSPR (Deg) (Δnbio = 0.005) Sensitivity (Deg/RIU) FWHM (Deg)
600 WS2 35 7 1 2.5592 × 10−2 0.7784 155.68 17.4644
633 MoS2 40 7 1 1.1513 × 10−5 0.6586 131.70 17.5728
633 WSe2 40 7 2 5.3807 × 10−3 0.7070 141.40 17.2340
633 MoSe2 40 7 1 2.0438 × 10−3 0.6584 131.68 17.0915