Hyperfine interactions on Pt-In catalysts

Passos, Fabio B.; Silva, Paulo R. J.; Saitovitch, H.

doi:10.1016/s0167-2991(00)80514-5

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Estrutura Das Superfícies De Catalisadores Bimetálicos1

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2003

2005

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Cited by 2 publications

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“…Nesta seção serão apresentados resultados obtidos por nosso grupo [6][7][8] , ao lado daqueles de outros grupos [1][2][3][4][5] , de forma a ilustrar as potencialidades da CATDP na caracterização de propriedades de catalisadores.…”

Section: Estrutura Das Superfícies De Catalisadores Bimetálicosunclassified

Interações hiperfinas em catalisadores metálicos

Saitovitch¹,

Silva²,

Passos³

2005

Quím. Nova

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Recebido em 17/2/04; aceito em 9/9/04; publicado na web em 17/2/05 HYPERFINE INTERACTIONS IN METALLIC CATALYSTS. Heterogeneous catalysts are of fundamental importance in several modern chemical processes. The characterization of catalysts is an issue of very present interest as it can provide a better understanding of the fundamental aspects of the catalytic phenomena, thus helping in the development of more efficient catalysts. In order to extend and improve the characterization of catalysts, new and less conventional methods are being applied, such as nuclear spectroscopies. In this paper we focus on the application of angular correlation, with can be used to resolve different local environments of probe atoms in solids and can be applied, as shown here, in the characterization of heterogeneous catalysts. A brief theoretical introduction is given and experimental results related to catalytic systems of alumina and niobia-supported Pt-In and Pd-In catalysts are presented.

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Section: Estrutura Das Superfícies De Catalisadores Bimetálicosunclassified