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. 2016 Apr 15;3:8. doi: 10.1186/s40580-016-0068-8

Fig. 6.

Fig. 6

Atomic force microscopy (AFM) images of a graphene/poly-3-hexylthiophene (P3HT) and b graphene quantum dots (GQDs)/P3HT. Reprinted with permission from Gupta et al. [60], © 2011, ACS Publication