Research / 2020 / Article / Fig 2

Research Article

Concentration-Dependent Solar Thermochemical CO2/H2O Splitting Performance by Vanadia–Ceria Multiphase Metal Oxide Systems

Figure 2

Elemental analysis of vanadia–ceria systems: overlay images of scanning transmission electron microscope elemental mapping of CV75 samples: (a) as-prepared, (b) reduced, and (c) after MPO–WS–CDS cycles, representing the distribution of Ce, V, C, and O; (d) energy dispersive spectra of the scanned area of CV50, CV75, reduced CV75, and cycled CV75 samples, showing the amounts of Ce, V, O, and C with respect to the binding energies of their respective orbitals.

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