Title of article
XAFS study of high-disperse Pd-containing nanosystem supported on TiO2 oxide matrix
Author/Authors
Kriventsov، نويسنده , , V.V. and Novgorodov، نويسنده , , B.N. and Kochubey، نويسنده , , D.I. and Bukhtenko، نويسنده , , O.V. and Tsodikov، نويسنده , , M.V. and Kozitsyna، نويسنده , , N.Yu. and Vargaftik، نويسنده , , M.N. and Moiseev، نويسنده , , I.I. and Colon، نويسنده , , G. and Hidalgo، نويسنده , , M.C. and Navio، نويسنده , , J.A. and Nikitenko، نويسنده , , S.G.، نويسنده ,
Pages
5
From page
180
To page
184
Abstract
Recently, great efforts are devoted to develop new methods of preparation of high-disperse Pd-containing nanosystems (composed of metal and/or oxide substance) stabilized on oxide matrix. New approach of synthesis is usage of PdCo(μ-OOCMe)4(NCMe) complex and Ti(OBu)4 as precursors to anchor Pd on the surface of oxide matrix surface in a highly dispersed form. The present work is devoted to the structural study of this high-disperse Pd-containing nanosystem by the XAFS spectroscopy. The strong interaction between Pd and Co cations takes place in the studied system. Seemingly, Co cations incorporate into TiO2 oxide matrix, forming mixed oxides. This allows to anchor Pd cations, with the formation of the palladium oxide structures, modified by interaction with Co and Ti cations. These compounds are non-stochiometric and have typical structural features of mixed oxides. All possible structural models are discussed in detail.
Keywords
Nanoparticles , Modified oxide , Mixed oxide , XANES , EXAFS
Journal title
Astroparticle Physics
Record number
2028464
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