Fig. 1

(a) Schematic of the optothermal Raman experiment setup for the strained MoS₂ monolayer. (b) Morphology of the MoS₂ monolayer prior to tensile strain captured using an optical microscope. (c) Morphology of the MoS₂ monolayer subjected to the tensile strain of 6.3% captured using the optical microscope.