Multifunctional Pt-Cu/TiO2 nanostructures and their performance in oxidation of soot, formaldehyde, and carbon monoxide reactions

Autor:	Rodolfo Zanella, R. Camposeco
Rok vydání:	2022
Předmět:	Inorganic chemistry Formaldehyde chemistry.chemical_element General Chemistry medicine.disease_cause Platinum nanoparticles Catalysis Soot chemistry.chemical_compound chemistry medicine Particle size Platinum Bimetallic strip Carbon monoxide
Zdroj:	Catalysis Today. :23-30
ISSN:	0920-5861
DOI:	10.1016/j.cattod.2021.06.025
Popis:	The present research work discusses the influence of platinum nanoparticles on the catalytic activity of Cu/TiO2 catalysts for soot, formaldehyde, and carbon monoxide oxidation. The results showed that the size of the platinum nanoparticles, loaded on the Cu/TiO2 nanostructure, varied from 1 to 2 nm. The Pt-Cu/TiO2 catalyst exhibited effective catalytic performance in the oxidation of formaldehyde at 25 °C (99% of conversion), CO at 100 °C (90% of conversion) and soot at 300 °C (100% of conversion) due to the platinum particle size and Pt-Cu interaction, which developed Ti3+ and oxygen vacancies on TiO2. Moreover, the bimetallic catalyst consisted of a complex mixture of Cu2+, Cu1+, and Pt0 species. The Pt-Cu/TiO2 catalyst showed stability in the three different reactions from 20 to 300 °C.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::cb7cf18485884fe54a3f035608b9795c https://doi.org/10.1016/j.cattod.2021.06.025 Zobrazit plný text záznamu Full Text from ScienceDirect