Fig. 4: In situ XAS experiments and DFT calculations.
From: A Mn-N3 single-atom catalyst embedded in graphitic carbon nitride for efficient CO2 electroreduction
a, b XANES and EXAFS spectra at the Mn K-edge of Mn–C3N4/CNT under various conditions. c Local density of states (LDOS) of Mn in Mn–N3–C3N4 and Mn–N4-G. d Calculated Gibbs free energy diagrams for CO2RR over Mn–N3–C3N4 and Mn–N4-G.
