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Projects. Life and Earth Sciences

Metal-organic frameworks as heterogeneous photocatalysts for CO2 reduction and H2 generation using H2O

Lead Researcher: Sergio Navalón Oltra
Research Centre: Departamento de Química. Universidad Politécnica de Valencia.

Abstract: 

Sergio Navalón Oltra The use of metal-organic frameworks (MOFs) as photocatalysts is recent and only a few examples have shown the versatility of these materials in the field of energies. Of great importance in this sector is to obtain energetic vectors derived from CO2 and the generation of H2 from H2O. The major challenge of the present project is design MOFs with active centers able to act as photocatalysts for the reduction of CO2 and generation of H2 using H2O and sunlight. For this purpose, the present project starts from different hypotheses that will allow the design of MOFs for their use as efficient and selective photocatalysts for the proposed reactions. Different strategies will be applied starting from UiO-66 (Zr), UiO-67 (Zr) and MIL-125 (Ti) materials to improve their photocatalytic response: i) modification of the organic ligand derived from terephthalic acid with functional groups such as -NO2 or -NH2; ii) modification of the metal nodes by partial replacement of Zr ions with Ti and / or Ce ions; (iii) modification of the MOF with a ruthenium metal complex; iv) deposition of copper nanoparticles. The correlation of the photocatalytic activity with the photophysical properties of the MOFs will allow the improvement of the efficiency of the photocatalytic processes studied.


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