Green Thermo-Photo Catalytic Production of Syngas Using Pd/Nb-TiO₂ Catalysts.

ABSTRACT: In this contribution, a series of Pd-promoted Nb-doped titania samples were essayed in the gas-phase thermo-photo production of syngas from methanol/water mixtures. The Pd loading was tested in the 0.1 to 2.5 wt % range, leading to the presence of metallic nanoparticles under reaction. Reaction rates exceeding 52 mmol H₂ g^-1 h^-1 and quantum efficiencies above 33% were obtained. The optimum sample having a 0.5 wt % of Pd provided an outstanding synergy between light and heat under reaction conditions, facilitating the boost of activity with respect to the single-source processes and achieving high selectivity to syngas. The spectroscopic analysis of the physico-chemical ground of the activity unveiled that the noble metal interaction with the Nb-doped anatas

SUBMITTER: Caudillo-Flores U 

PROVIDER: S-EPMC9993398 | biostudies-literature | 2023 Mar

REPOSITORIES: biostudies-literature