Fig. 8From: Engineering of bioactive metal sulfide nanomaterials for cancer therapy(Reprinted with permission from Ref. [33]. Copyright 2015 American Chemical Society)Schematic illustration presenting the fabrication process of WS2 quantum dots by liquid exfoliation approach (a). TEM image (b), atomic force microscopy image (c), and X-ray diffraction pattern (d) of WS2 quantum dots Back to article page