Extended Data Fig. 3: Optical spectra of the SnS2/WSe2 systems.
From: High-order superlattices by rolling up van der Waals heterostructures
a, Photoluminescence spectra of a typical WSe2 monolayer (black line), a SnS2/WSe2 heterobilayer (blue line) and a SnS2/WSe2 vdW superlattice (red line). b, Raman spectra of a typical WSe2 monolayer (black line), SnS2/WSe2 heterobilayers (blue line) and a SnS2/WSe2 vdW superlattice (red line).
