Summary
The aim of this work is focused on the study of a series of non-traditional catalytic nanomaterials to transform greenhouse CO<sub>2</sub> gas into added-value products. We found encouraging results of CO<sub>2</sub> hydrogenation activity over sodium titanates with different morphologies. The yield to methanol increases with the increase in the Na incorporated in the nanostructures confirming the proposed mechanism. Samples were prepared at different times of hydrothermal treatment (HTT) with NaOH solutions, and these materials were labeled as Ti-nR-x with x as the hours on the HTT. HRTEM initially showed sphere-shaped nanoparticles in the TiO<sub>2</sub> commercial nanopowder, increasing the HTT resulted in morphological changes in which the structures passed from nanosheets and finally
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