An SiO2-Embedded Nanoscopic Pd/Au Alloy Colloid
A bimetallic, fully alloyed Pd/Au colloid of 3.0 nm particle size, obtained by the co-reduction of Pd and Au salts with tetraalkylammonium triethylhydroborate, was embedded in a silica matrix employing a modified sol-gel procedure with THF as the solvent. The removal of the protecting tenside led to a mesoporous texture with a comparatively narrow pore distribution. The physical characterisation by a combination of several techniques has shown that the SiO2-embedded Pd/Au colloid preserves the size and the structural characteristics of the colloidal metal precursor. The new material exhibits catalytic properties in selective hydrogenation..
| Medienart: |
E-Artikel |
|---|
| Erscheinungsjahr: |
2000 |
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| Erschienen: |
2000 |
| Reproduktion: |
Wiley InterScience Backfile Collection 1832-2000 |
|---|---|
| Enthalten in: |
Zur Gesamtaufnahme - volume:2000 |
| Enthalten in: |
Berichte der deutschen chemischen Gesellschaft - 2000(2000) vom: Mai, Seite 819-822 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Bönnemann, Helmut [Sonstige Person] |
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| Links: |
dx.doi.org [Deutschlandweit zugänglich] |
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| Umfang: |
4 Ill. ; 1 Tab. 4 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLEJ162362439 |
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| 520 | |a A bimetallic, fully alloyed Pd/Au colloid of 3.0 nm particle size, obtained by the co-reduction of Pd and Au salts with tetraalkylammonium triethylhydroborate, was embedded in a silica matrix employing a modified sol-gel procedure with THF as the solvent. The removal of the protecting tenside led to a mesoporous texture with a comparatively narrow pore distribution. The physical characterisation by a combination of several techniques has shown that the SiO2-embedded Pd/Au colloid preserves the size and the structural characteristics of the colloidal metal precursor. The new material exhibits catalytic properties in selective hydrogenation. | ||
| 533 | |f Wiley InterScience Backfile Collection 1832-2000 | ||
| 700 | 1 | |a Bönnemann, Helmut |4 oth | |
| 700 | 1 | |a Endruschat, Uwe |4 oth | |
| 700 | 1 | |a Tesche, Bernd |4 oth | |
| 700 | 1 | |a Rufínska, Anna |4 oth | |
| 700 | 1 | |a Lehmann, Christian W. |4 oth | |
| 700 | 1 | |a Wagner, Friedrich E. |4 oth | |
| 700 | 1 | |a Filoti, George |4 oth | |
| 700 | 1 | |a Pârvulescu, Viorica |4 oth | |
| 700 | 1 | |a Pârvulescu, Vasile I. |4 oth | |
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