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SEM images of 3-D flower like MoS2 morphology. (a) flower-like MoS2 composed of a large quantity of uniform MoS2 microspheres. (b) Magnified view of MoS2 microsphere. A MoS2 is built from several dozens of nanosheets that connected through the center to form 3-D flower-like structures. Reprinted from [234], Copyright 2015, with permission from Elsevier.
