Fig. 3: Thermo-catalytic CO2 hydrogenation. | Communications Chemistry

Fig. 3: Thermo-catalytic CO2 hydrogenation.

From: Oxynitride-surface engineering of rhodium-decorated gallium nitride for efficient thermocatalytic hydrogenation of carbon dioxide to carbon monoxide

Fig. 3

Influence of the loaded content of Rh (a) and CO2/H2 ratios (b) on the performance. c CO evolution rate of Rh/GaN and various annealed Rh/GaN1–xOx samples. d Apparent activation barrier (Ea) for CO2 hydrogenation on Rh/GaN and various annealed Rh/GaN1–xOx samples. e CO activity comparison between Rh/GaN1–xOx-250 and commercial Rh/Al2O3 catalyst at 260 °C. f CO yield and TON over Rh/GaN1–xOx-250 after 9 cycles operation.

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