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          Institute: Fritz-Haber-Institut     Collection: Inorganic Chemistry     Display Documents



  history
ID: 332561.0, Fritz-Haber-Institut / Inorganic Chemistry
Pinning the catalytic centre: A new concept for catalysts development
Authors:Kovnir, Kirill; Teschner, Detre; Armbrüster, Marc; Schnörch, Peter; Hävecker, Michael; Knop-Gericke, Axel; Grin, Yuri; Schlögl, Robert
Language:English
Research Context:Intermetallic Compounds in catalysis
Place of Publication:Berlin
Publisher:Berliner Elektronenspeicherring-Gesellschaft für Synchrotronstrahlung m.b.H. (BESSY)
Date of Publication (YYYY-MM-DD):2008
Title of Book:BESSY Highlights 2007
Start Page:22
End Page:23
Full Name of Book-Editor(s):Godehusen, Kai
Review Status:Internal review
Audience:Popular
Intended Educational Use:No
Abstract / Description:A new concept for the development of catalysts is introduced. Utilizing ordered Pd-Ga intermetallic compounds high selectivity and long-term stability in the acetylene hydrogenation can be achieved. The high selectivity observed for all compounds (Pd3Ga7, PdGa, Pd2Ga) indicates that not only the surface geometric site isolation but also the suppression of hydride formation through a covalent bonding interaction absent in conventional Pd alloys are important for achieving superior catalytic properties. Our results demonstrate that structurally well-defined intermetallic compounds exhibit a high potential in heterogeneous catalysis and are promising candidates for industrial applications.
Free Keywords:Intermetallic compounds, in-situ XPS, acetylene hydrogenation, palladium, catalyst development, Pd3Ga7, PdGa, Pd2Ga
Last Change of the Resource (YYYY-MM-DD):2008-05-29
External Publication Status:published
Document Type:InBook
Communicated by:Robert Schlögl
Affiliations:Fritz-Haber-Institut/Inorganic Chemistry/Surface Analysis
MPI für chemische Physik fester Stoffe
Fritz-Haber-Institut/Inorganic Chemistry/Inorganic Chemistry
Identifiers:URL:http://www.bessy.de/publicRelations/publications/f...
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