. 2018 Jun 12;6:219. doi: 10.3389/fchem.2018.00219
Copyright © 2018 He, Hou, Petropoulos, Feng, Yu, Xue and Yang.
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Figure 1.
SEM images of (A) ZnO, (B) GO, (C) Cu/ZnO, and (D) Cu/ZnO/rGO nanocomposite.