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. 2020 Jun 15;11:3028. doi: 10.1038/s41467-020-16847-9

Fig. 1. Structural characterization of the Au/C electrode.

Fig. 1

a SEM image of a PTFE-modified carbon fibre GDL, scale bar: 100 μm. b SEM image of the electrode after coating with an Au/C NPs film, scale bar: 100 μm. Insets in (ab) show photographs of water droplets on each electrode. c Cross-sectional SEM image of the Au/C electrode, scale bar: 500 nm. d Schematic illustration of the TPC electrochemical cathode. e SEM image of the Au/C electrode at high magnification, scale bar: 50 nm. f Schematic illustration of the gas–liquid–solid three-phase interfaces of a TPC system for electrochemical CO2RR. Source data are provided as a Source data file.