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. 2020 May 5;8:291. doi: 10.3389/fchem.2020.00291

Figure 11.

Figure 11

Schematic model of the oxygen adsorption (left column) and their respective CO2 reaction with oxygen (right column) of (A,B) pristine, (C,D) 1.0 μl NCDs, and (E,F) 4.0 μl NCDs on the NCD–ZnO–pSi hybrid structure; the NCDs, ZnO surface, and depletion layer are denoted by black-filled circles, red line, and green color, respectively.