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. 2022 Mar 24;7(13):11158–11165. doi: 10.1021/acsomega.1c07298

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© 2022 The Authors. Published by American Chemical Society

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(a) EIS Nyquist plots of 0 mg-Fe@C/C₃N₄-1100, 20 mg-Fe@C/C₃N₄-900, and 20 mg-Fe@C/C₃N₄-1100. (b) The CO formation TOFs of 0 mg-Fe@C/C₃N₄-1100, 10 mg-Fe@C/C₃N₄-1100, 20 mg-Fe@C/C₃N₄-1100, and 30 mg-Fe@C/C₃N₄-1100 at different potentials. (c) C_dl values of 0 mg-Fe@C/C₃N₄-1100, 20 mg-Fe@C/C₃N₄-900, and 20 mg-Fe@C/C₃N₄-1100. (d) Tafel plots for the CO production on 20 mg-Fe@C/C₃N₄-1100 and 20 mg-Fe@C/C₃N₄-900, where j_CO is the partial current density of CO.