Figure 4

B3LYP/LANL2DZ calculated MESP for the PLA/GO/OZn (Terminal OH) interacted with (a) CH4, (b) H2S, (c) H2O, (d) CO2 and (e) C2H5OH.
B3LYP/LANL2DZ calculated MESP for the PLA/GO/OZn (Terminal OH) interacted with (a) CH4, (b) H2S, (c) H2O, (d) CO2 and (e) C2H5OH.