Photoelectrocatalytic oxidation of methane into methanol and formic acid over ZnO/graphene/polyaniline catalyst |
(a) UV-vis absorption spectrum of ZnO NWAs, ZnO/graphene, ZnO/PANI, and ZnO/graphene/PANI composites on FTO substrate. (b) FTIR spectrum of pure ZnO, graphene, PANI, and ZnO/graphene, ZnO/PANI, ZnO/graphene/PANI composites. |