Pt-Sn/Al2O3 sol-gel catalysts: Metallic phase characterization

R. Gomez; V. Bertin; P. Bosch; T. Lopez; P. Del Angel; I. Schifter

doi:10.1007/BF00769483

Pt-Sn/Al₂O₃ sol-gel catalysts: Metallic phase characterization

R. Gomez, V. Bertin, P. Bosch, T. Lopez, P. Del Angel, I. Schifter

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

Highly dispersed platinum was found in Pt-Sn/Al₂O₃ catalysts prepared by the sol-gel method, i.e., cogelation of aluminum tri-sec-butoxide and tetrabutyltin and subsequent impregnation with hexachloroplatinic acid. X-ray diffraction studies showed that the cell parameter of pure platinum is not modified in bimetallic Pt-Sn samples. Moreover, energy dispersive X-ray analysis studies (EDX) showed that platinum, but not tin, was detected in the catalysts where tin was incorporated by the sol-gel coprecipitation of tin and aluminum. Incorporation of tin into the alumina network is suggested.

Original language	English
Pages (from-to)	309-320
Number of pages	12
Journal	Catalysis Letters
Volume	21
Issue number	3-4
DOIs	https://doi.org/10.1007/BF00769483
State	Published - Sep 1993
Externally published	Yes

Keywords

EDX analysis
Sol-gel catalysts
X-ray diffraction
energy dispersive X-ray analysis
platinum dispersion
platinum-tin catalysts

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10.1007/BF00769483

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title = "Pt-Sn/Al2O3 sol-gel catalysts: Metallic phase characterization",

abstract = "Highly dispersed platinum was found in Pt-Sn/Al2O3 catalysts prepared by the sol-gel method, i.e., cogelation of aluminum tri-sec-butoxide and tetrabutyltin and subsequent impregnation with hexachloroplatinic acid. X-ray diffraction studies showed that the cell parameter of pure platinum is not modified in bimetallic Pt-Sn samples. Moreover, energy dispersive X-ray analysis studies (EDX) showed that platinum, but not tin, was detected in the catalysts where tin was incorporated by the sol-gel coprecipitation of tin and aluminum. Incorporation of tin into the alumina network is suggested.",

keywords = "EDX analysis, Sol-gel catalysts, X-ray diffraction, energy dispersive X-ray analysis, platinum dispersion, platinum-tin catalysts",

author = "R. Gomez and V. Bertin and P. Bosch and T. Lopez and {Del Angel}, P. and I. Schifter",

year = "1993",

month = sep,

doi = "10.1007/BF00769483",

language = "Ingl{\'e}s",

volume = "21",

pages = "309--320",

journal = "Catalysis Letters",

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TY - JOUR

T1 - Pt-Sn/Al2O3 sol-gel catalysts

T2 - Metallic phase characterization

AU - Gomez, R.

AU - Bertin, V.

AU - Bosch, P.

AU - Lopez, T.

AU - Del Angel, P.

AU - Schifter, I.

PY - 1993/9

Y1 - 1993/9

N2 - Highly dispersed platinum was found in Pt-Sn/Al2O3 catalysts prepared by the sol-gel method, i.e., cogelation of aluminum tri-sec-butoxide and tetrabutyltin and subsequent impregnation with hexachloroplatinic acid. X-ray diffraction studies showed that the cell parameter of pure platinum is not modified in bimetallic Pt-Sn samples. Moreover, energy dispersive X-ray analysis studies (EDX) showed that platinum, but not tin, was detected in the catalysts where tin was incorporated by the sol-gel coprecipitation of tin and aluminum. Incorporation of tin into the alumina network is suggested.

AB - Highly dispersed platinum was found in Pt-Sn/Al2O3 catalysts prepared by the sol-gel method, i.e., cogelation of aluminum tri-sec-butoxide and tetrabutyltin and subsequent impregnation with hexachloroplatinic acid. X-ray diffraction studies showed that the cell parameter of pure platinum is not modified in bimetallic Pt-Sn samples. Moreover, energy dispersive X-ray analysis studies (EDX) showed that platinum, but not tin, was detected in the catalysts where tin was incorporated by the sol-gel coprecipitation of tin and aluminum. Incorporation of tin into the alumina network is suggested.

KW - EDX analysis

KW - Sol-gel catalysts

KW - X-ray diffraction

KW - energy dispersive X-ray analysis

KW - platinum dispersion

KW - platinum-tin catalysts

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DO - 10.1007/BF00769483

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VL - 21

SP - 309

EP - 320

JO - Catalysis Letters

JF - Catalysis Letters

IS - 3-4

ER -

Pt-Sn/Al₂O₃ sol-gel catalysts: Metallic phase characterization

Abstract

Keywords

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