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. Author manuscript; available in PMC: 2016 Aug 25.
Published in final edited form as: Carbon N Y. 2013 Jul 31;64:341–350. doi: 10.1016/j.carbon.2013.07.084

Fig. 5.

Fig. 5

(a) AFM image of GQDs on mica substrate. (b) The histogram represents the topographic height distribution of GQDs based on the statistical analysis on the AFM image shown. (c) The height profile along the lines 1 and 2 shown in image (a).