Fig. 2: Operando spectroscopy characterization and chemical states of Pt. | Nature Communications

Fig. 2: Operando spectroscopy characterization and chemical states of Pt.

From: Engineering a local acid-like environment in alkaline medium for efficient hydrogen evolution reaction

Fig. 2

The operando Raman spectra (a), SR-FTIR spectra (b), and XANES difference spectra (c) of Pt/MgO in 1 M KOH. d Pt 4 f XPS spectra and e Pt L3-edge XANES spectra of Pt/MgO, Pt foil and Pt/C. f Graphical representations of the electron transfer between Pt nanoparticles and the support (VO−MgO and graphite).

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