Fig. 3 | Nature Communications

Fig. 3

From: Two-dimensional transition metal carbides as supports for tuning the chemistry of catalytic nanoparticles

Fig. 3

In situ Spectroscopy characterization of Pt/MXenes catalysts. a Magnitude of the Fourier Transform of the k2 weighted Pt LIII edge in situ EXAFS of the Pt/Ti3C2Tx and Pt/Nb2CTx catalyst after reduction at 550 °C in H2 compared to Pt/SiO2. b The Pt LIII edge in situ XANES spectra of the Pt/Ti3C2Tx and Pt/Nb2CTx catalyst after reduction at 550 °C in H2 compared to Pt/SiO2. c XPS spectra of Pt/Ti3C2Tx, Pt/Nb2CTx and Pt/SiO2 reduced at 550 °C by H2 in a spectrometer side chamber and not exposed to air. d DFT calculated projected density of states (DOS) for the 5d orbitals of Pt in the top-layer Pt3Ti (111) and Pt (111)

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