Fig. 4: Spectroscopic characterization of 2D IrO2(101) monolayer. | Nature Communications

Fig. 4: Spectroscopic characterization of 2D IrO2(101) monolayer.

From: Single-faceted IrO2 monolayer enabling high-performing proton exchange membrane water electrolysis beyond 10,000 h stability at 1.5 A cm-2

Fig. 4: Spectroscopic characterization of 2D IrO2(101) monolayer.

a XRD curves and b XPS spectra of IrO2(101) monolayer, IrO2 NP and Comm IrO2(Alfa Aesar), respectively. c Ir 4 f XPS spectra and d O 1 s XPS spectra of IrO2(101) monolayer and Comm IrO2(Alfa Aesar). e Raman spectra of IrO2(101) monolayer, IrO2 NP and Comm IrO2(Alfa Aesar). f Nitrogen adsorption-desorption isotherms of IrO2(101) monolayer, IrO2 NP and Comm IrO2(Alfa Aesar).

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