Table 1.

Sensitivity and sensitivity enhancement at the optimized number of TMD layers and ${\mathrm{Ti}}_3{\mathrm{C}}_2{\mathrm{T}}_x$ layers for the ${\mathrm{Ti}}_3{\mathrm{C}}_2{\mathrm{T}}_x$-TMDs-based SPR sensor.

Type of TMD	Number of TMD Layers N3	Number of ${\mathbf{Ti}}_3{\mathbf{C}}_2{\mathbf{T}}_{\mathit{x}}$ Layers N5	Sensitivity (°/RIU)	$(\mathit{S}-{\mathit{S}}_0)/{\mathit{S}}_0$ (%)
${\mathrm{MoS}}_2$	4	1	174	24.29
${\mathrm{MoSe}}_2$	5	1	176	25.71
${\mathrm{WS}}_2$	5	1	198	41.43
${\mathrm{WSe}}_2$	6	1	192	37.14