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1. Designed sol-gel precursors for atomically dispersed Nb and Pb within TiO

Author

Antonio de Brito Santiago, Neto, Márcia Gabriely, Alves da Cruz, Erwann, Jeanneau, Alcineia Conceição, Oliveira, Nadine, Essayem, and Shashank, Mishra

Abstract

The 'bottom-up' synthesis of homogeneously doped metal oxide nanoparticles (NPs) with precision at the atomic/molecular level offers many advantages. We report here the synthesis, structural characterization and hydrolytic behavior of new N-methyldiethanolamine-modified precursors of Ti(iv), Nb(v) and Pb(ii) and their application as excellent sol-gel precursors for obtaining atomically dispersed Nb and Pb within TiO2 having high surface areas (253-355 m2 g-1) and tunable acidic properties. Preliminary results on the use of these doped TiO2 as water-tolerant catalysts in transforming dihydroxyacetone to lactic acid are presented.

Published
2021

2. Designed sol-gel precursors for atomically dispersed Nb and Pb within TiO2 as catalysts for dihydroxyacetone transformation

Author

Antonio de Brito Santiago Neto, Erwann Jeanneau, Nadine Essayem, Alcineia C. Oliveira, Shashank Mishra, Marcia G.A. Cruz, Université de Lyon, Institut de recherches sur la catalyse et l'environnement de Lyon (IRCELYON), Université Claude Bernard Lyon 1 (UCBL), and Université de Lyon-Université de Lyon-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Materials science, 010405 organic chemistry, Doping, Dihydroxyacetone, Metal oxide nanoparticles, [CHIM.CATA]Chemical Sciences/Catalysis, 010402 general chemistry, 01 natural sciences, [SDE.ES]Environmental Sciences/Environmental and Society, 0104 chemical sciences, Catalysis, Lactic acid, Inorganic Chemistry, High surface, Hydrolysis, chemistry.chemical_compound, chemistry, Chemical engineering, Sol-gel
Abstract

International audience; The ‘bottom-up’ synthesis of homogeneously doped metal oxide nanoparticles (NPs) with precision at the atomic/molecular level offers many advantages. We report here the synthesis, structural characterization and hydrolytic behavior of new N-methyldiethanolamine-modified precursors of Ti(IV), Nb(V) and Pb(II) and their application as excellent sol–gel precursors for obtaining atomically dispersed Nb and Pb within TiO2 having high surface areas (253–355 m2 g−1) and tunable acidic properties. Preliminary results on the use of these doped TiO2 as water-tolerant catalysts in transforming dihydroxyacetone to lactic acid are presented.

Published
2021
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