Fig. 2: Properties of planarized reactions.
From: Ultra-thin 2D transition metal monochalcogenide crystals by planarized reactions
a Atomic force microscopy (AFM) image of copper sulfurized without graphene planarizer, b AFM images of planarized growth results after different growth durations, c transmission electron absorption micrograph of planarized Cu2S. d proposed mechanism of planarized growth. e Secondary Ion Mass spectroscopy characterization of material, (inset) schematic of material structure, indicating the presence of elemental sulfur contamination on top of the graphene.
