INFLUENCE OF CHLORINE ON THE LABILITY OF SMALL RHODIUM PARTICLES IN CARBON-MONOXIDE

被引：17

作者：

JOHNSTON, P ^{[1
]}

JOYNER, RW ^{[1
]}

机构：

[1] UNIV LIVERPOOL,DEPT CHEM,LEVERHULME CTR INNOVAT CATALYSIS,LIVERPOOL L69 3BX,ENGLAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1993年 / 89卷 / 05期

关键词：

D O I：

10.1039/ft9938900863

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The reactivity to carbon monoxide of rhodium catalysts containing ca. 10 metal atoms per particle and supported on alumina has been studied by EXAFS. Particles in catalysts prepared with rhodium trichloride as precursor are labile, suffering almost complete disruption in CO and forming Rh(I) species, as noted previously. By contrast, particles prepared from rhodium nitrate are stable in CO, indicating that chloride stabilises the Rh(I) species.

引用

页码：863 / 864

页数：2

共 11 条

[1] SPECTROSCOPIC EVIDENCE FOR THE INVOLVEMENT OF OH GROUPS IN THE FORMATION OF RHI(CO)2 ON METAL-OXIDE SUPPORTS [J].

BASU, P ;

PANAYOTOV, D ;

YATES, JT .

JOURNAL OF PHYSICAL CHEMISTRY, 1987, 91 (12) :3133-3136

[2] FAST, SLOW AND STRONG ADSORPTION OF H2 ON RH/AL2O3 CATALYSTS - EFFECT OF CHLORINE [J].

CRUCQ, A ;

DEGOLS, L ;

FRENNET, A ;

LIENARD, G .

JOURNAL OF MOLECULAR CATALYSIS, 1990, 59 (02) :257-266

[3] EFFECTS OF SUPPORT ON THE ADSORPTION AND DISSOCIATION OF CO AND ON THE REACTIVITY OF SURFACE CARBON ON RH CATALYSTS [J].

ERDOHELYI, A ;

SOLYMOSI, F .

JOURNAL OF CATALYSIS, 1983, 84 (02) :446-460

[4]

ERDOHELYI A, 1988, J CATAL, V110, P413

[5] AN XPS STUDY OF RHODIUM CARBONYLS ADSORBED ON PLANAR ALUMINAS - FORMATION OF GEMINAL DICARBONYL SPECIES [J].

FREDERICK, BG ;

APAI, G ;

RHODIN, TN .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1987, 109 (16) :4797-4803

[6] INSITU STUDIES OF SUPPORTED RHODIUM CATALYSTS [J].

JOHNSTON, P ;

JOYNER, RW ;

PUDNEY, PDA ;

SHPIRO, ES ;

WILLIAMS, BP .

FARADAY DISCUSSIONS, 1990, 89 :91-+

[7] THE INTERACTION OF SYNTHESIS GAS (CO-H2) WITH SMALL RHODIUM PARTICLES [J].

JOHNSTON, P ;

JOYNER, RW ;

PUDNEY, PDA .

JOURNAL OF PHYSICS-CONDENSED MATTER, 1989, 1 :SB171-SB176

[8]

KONIGSBERGER DC, 1990, FARADAY DISCUSS CHEM, V89, P144

[9]

TAMARU K, 1989, J CATAL, V115, P273

[10] AN EXTENDED X-RAY ABSORPTION FINE-STRUCTURE SPECTROSCOPY STUDY OF A HIGHLY DISPERSED RH/AL2O3 CATALYST - THE INFLUENCE OF CO CHEMISORPTION ON THE TOPOLOGY OF RHODIUM [J].

VANTBILK, HFJ ;

VANZON, JBAD ;

HUIZNGA, T ;

VIS, JC ;

KONINGSBERGER, DC ;

PRINS, R .

JOURNAL OF PHYSICAL CHEMISTRY, 1983, 87 (13) :2264-2267

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