Preparation of Gold Nanoparticles, Au/Fe2O3 by Using a Co-Precipitation Method and their Catalytic Activity

Autor: Nguyen Cong Trang, Luu Tien Hung, Tran Thi Minh Nguyet, Nguyen Quang Huan, Nguyen Xuan, Masakazu Date
Rok vydání: 2008
Předmět:
Zdroj: Journal of the Korean Physical Society. 52:1345-1349
ISSN: 0374-4884
DOI: 10.3938/jkps.52.1345
Popis: Au=Fe2O3(Au : Fe = 1 : 50) catalyst was prepared by the co-precipitation method. The coprecipitate was studied by using di erential thermal analysis (DTA) and di erential thermal gravimetric analysis (DTGA). The structure of the sample was investigated by using X-ray di raction (XRD) and transmission electron microscopy (TEM) and high-resolution transmission electron microscopy (HRTEM). The particle size was determined to be within the range of 1.5 and 8 nm. Results of the study for catalytic properties showed that T1=2 for CO and H2 oxidation were 317 and 405 K respectively. Au=Fe2O3(Au : Fe = 1 : 50) catalyst was prepared by the co-precipitation method. The co-precipitate was studied by using DTA and DTGA. The structure of the sample was investigated by XRD, TEM and HRTEM. The particle size was determined to be within the range of 1.5 and 8 nm. Results of the study for catalytic properties showed that T1=2 for CO and H2 oxidation were 317 and 405 K respectively.
Databáze: OpenAIRE