Abstract
In this study, MoS2 flakes with the configuration of multilayer MoS2 stacked on monolayer MoS2 were synthesized by chemical vapor deposition (CVD). The morphology of the MoS2 flakes transformed from that of a truncated triangle to that of a fishbone-like shape with increasing growth temperature. A novel phenomenon of shape consistency between the upper multilayer MoS2 and the basal monolayer was found in MoS2 flakes of triangular, star-like, and fishbone-like shape. The mechanism of this shape consistency is attributed to the active border of the pre-grown monolayer MoS2 flake. This work enriches the understanding of the growth mechanism of MoS2 flakes fabricated by CVD.
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