Fig. 2: Fine structure of Mn–C3N4/CNT.
From: A Mn-N3 single-atom catalyst embedded in graphitic carbon nitride for efficient CO2 electroreduction
a, b High-resolution N 1s XPS spectra of Mn–C3N4/CNT and C3N4/CNT, respectively. c, d XANES and EXAFS spectra at the Mn K-edge. e O K-edge XAS of Mn–C3N4/CNT and C3N4/CNT. f WT of Mn–C3N4/CNT, Mn foil, Mn2O3, and MnO (from top to bottom). g EXAFS fitting curves of Mn–C3N4/CNT in R space.
