FIELD-EMISSION MICROSCOPY STUDY OF SUPPORTED BIMETALLIC CATALYSTS PD-MO/AL2O3/W - NITROGEN SPILLOVER

被引:11
作者
SOTOLA, J
KNOR, Z
机构
[1] J. Heyrovský Institute of Physical Chemistry and Electrochemistry, Academy of Sciences of the Czech Republic
关键词
D O I
10.1006/jcat.1994.1060
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
Thin polycrystalline layers (clusters) of palladium and/or molybdenum were deposited onto a continuous layer of Al2O3 covering a tungsten field emitter. This sandwich system represents a realistic model for a supported metal catalyst. Investigation of nitrogen interaction with these systems at room temperature proved that there is spillover of nitrogen atoms from molybdenum to palladium. © 1994 Academic Press, Inc.
引用
收藏
页码:501 / 507
页数:7
相关论文
共 13 条
[1]   EFFECT OF COMPLETE OXIDATION ON THE VIBRATIONAL PROPERTIES OF ALUMINUM-OXIDE THIN-FILMS - AN ELECTRON-ENERGY-LOSS-SPECTROSCOPY STUDY [J].
CHEN, PJ ;
COLAIANNI, ML ;
YATES, JT .
PHYSICAL REVIEW B, 1990, 41 (12) :8025-8032
[2]   SURFACE RESTRUCTURING OF PALLADIUM PARTICLES INDUCED BY CO ADSORPTION [J].
ELYAKHLOUFI, MH ;
GILLET, E .
CATALYSIS LETTERS, 1993, 17 (1-2) :11-20
[3]  
Foger K., 1984, CATALYSIS SCI TECHNO, P227
[4]  
GOYMOUR CG, 1973, J CHEM SOC FARADAY T, V68, P280
[5]  
HUDSON JB, 1992, SURFACE SCI
[6]  
KNOR Z, 1986, APPL SURF SCI, V25, P107, DOI 10.1016/0169-4332(86)90029-2
[7]   FEM AND FIM STUDY OF METAL SUPPORT INTERACTION [J].
KNOR, Z ;
SOTOLA, J .
SURFACE SCIENCE, 1989, 213 (2-3) :371-380
[8]  
KNOR Z, 1989, REV ROUM CHIM, V34, P1373
[9]   MODEL STUDY OF SUPPORTED BIMETALLIC CATALYSTS [J].
KNOR, Z ;
SOTOLA, J .
COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS, 1988, 53 (10) :2399-2411
[10]  
ROSS LP, 1974, APPL PHYS, V4, P161