Preparation of Pd-Pt bimetallic colloids with controllable core/shell structures

被引：255

作者：

Wang, Y ^{[1
]}

Toshima, N ^{[1
]}

机构：

[1] SCI UNIV TOKYO,DEPT MAT SCI & ENGN,ONODA,YAMAGUCHI 756,JAPAN

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 1997年 / 101卷 / 27期

关键词：

D O I：

10.1021/jp9704224

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：

Polymer-protected Pd-Pt bimetallic colloids in the size range 1.5-5.5 nm with controllable core/shell structures have been successfully prepared by a so-called hydrogen-sacrificial protective strategy. The obtained bimetallic colloids were characterized by transmission electron microscopy and infrared carbon monoxide (IR-CO) probe techniques. The Pd-core/Pt-shell and Pt-core/Pd-shell structures were confirmed by IR-CO probe characterization. IR-CO probe measurements were also performed on the Pd-Pt bimetallic colloids prepared by coreduction of the corresponding metal ions in the refluxing mixture of ethanol and water.

引用

页码：5301 / 5306

页数：6

共 28 条

[1]

BADDELEY CJ, 1992, MATER RES SOC SYMP P, V272, P85, DOI 10.1557/PROC-272-85

[2] Infrared and EXAFS study of compositional effects in nanoscale colloidal palladium-copper alloys [J].

Bradley, JS ;

Via, GH ;

Bonneviot, L ;

Hill, EW .

CHEMISTRY OF MATERIALS, 1996, 8 (08) :1895-1903

[3] SURFACE-CHEMISTRY ON COLLOIDAL METALS - REVERSIBLE ADSORBATE-INDUCED SURFACE-COMPOSITION CHANGES IN COLLOIDAL PALLADIUM-COPPER ALLOYS [J].

BRADLEY, JS ;

HILL, EW ;

CHAUDRET, B ;

DUTEIL, A .

LANGMUIR, 1995, 11 (03) :693-695

[4] SYNTHESIS OF MONODISPERSED BIMETALLIC PALLADIUM COPPER NANOSCALE COLLOIDS [J].

BRADLEY, JS ;

HILL, EW ;

KLEIN, C ;

CHAUDRET, B ;

DUTEIL, A .

CHEMISTRY OF MATERIALS, 1993, 5 (03) :254-256

[5]

BRADLEY JS, 1994, CLUSTERS COLLOIDS, P510

[6] STRUCTURAL-ANALYSIS OF POLYMER-PROTECTED PD/RH BIMETALLIC CLUSTERS BY USING EXAFS SPECTROSCOPY [J].

HARADA, M ;

ASAKURA, K ;

TOSHIMA, N .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1993, 32 :451-453

[7]

KOLB O, 1996, CHEM MATER, V8, P1889

[8] STRUCTURAL AND CATALYTIC PROPERTIES OF NOVEL AU/PD BIMETALLIC COLLOID PARTICLES - EXAFS, XRD, AND ACETYLENE COUPLING [J].

LEE, AF ;

BADDELEY, CJ ;

HARDACRE, C ;

ORMEROD, RM ;

LAMBERT, RM ;

SCHMID, G ;

WEST, H .

JOURNAL OF PHYSICAL CHEMISTRY, 1995, 99 (16) :6096-6102

[9] PLATINUM-CATALYZED HYDROSILYLATION - COLLOID FORMATION AS THE ESSENTIAL STEP [J].

LEWIS, LN ;

LEWIS, N .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1986, 108 (23) :7228-7231

[10]

MICHEL JB, 1987, PREPARATION CATALYST, V4, P669

← 1 2 3 →