Photo-thermal Catalytic CO₂ Methanation by RuO_<i>x</i>@MIL-101(Cr) with 9.2% Apparent Quantum Yield under Visible Light Irradiation.

ABSTRACT: Solar-assisted gaseous CO₂ hydrogenation to CH₄ is a potential strategy for favoring the transition to net zero emissions. Here, we report the development of a series of efficient metal-organic frameworks with MIL-101(Cr or Fe) topology decorated with RuO_x nanoparticles (ca. 0.2-2 wt %) as heterogeneous photocatalysts for the selective methanation of CO₂ by H₂ under simulated sunlight irradiation. The activity of RuO_x(1 wt %)@MIL-101(Cr) is between 3 and 50 times higher than related MOF-based photocatalysts under similar reaction conditions. Among the different photocatalysts, the optimized RuO_x(2 wt %)@MIL-101(Cr) photocatalyst showed 98.1% CO₂ conversion with 98.8% CH₄

SUBMITTER: Ramirez-Hernandez JJ 

PROVIDER: S-EPMC12412102 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature