Preparation of Au/TiO2 catalyst by a liquid-phase reduction method for preferential oxidation of carbon monoxide in a hydrogen rich-stream (CO-PROX reaction)
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Au nanoparticles supported on TiO2 were prepared by a liquid-phase reduction method using HAuC1(4) 3H(2)O as the Au precursor, TiO2 as the support, a solution of ethylene glycol/water as solvent and reducing agent and sodium citrate as reducing agent and stabilizer. The Au/TiO2 catalysts were prepared usmg different routes and characterized by Energy-dispersive X-ray spectroscopy, X-ray diffraction and Transmission Electron Microscopy and tested for preferential oxidation of carbon monoxide in hydrogen-rich stream (CO-PROX reaction). The way that the Au precursor, the TiO2 support and the sodium citrate is added to the ethylene glycol/water solution strongly influences the Au nanoparticle sizes and the catalytic activity of the obtained materials.
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PEREIRA, JULIAN M. de S.; CIOTTI, LIGIA; VAZ, JORGE M.; SPINACE, ESTEVAM V. Preparation of Au/TiO2 catalyst by a liquid-phase reduction method for preferential oxidation of carbon monoxide in a hydrogen rich-stream (CO-PROX reaction). Materials Research, v. 21, n. 2, 2018. DOI: 10.1590/1980-5373-MR-2017-0756. Disponível em: http://repositorio.ipen.br/handle/123456789/28988. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.