Temperature programmed desorption study of the reaction of C2H4 and CO on Rh supported on α-Al2O3(0001), YSZ(100) and CeO2 thin films

被引：24
作者：
Ferrizz, RM
Egami, T
Vohs, JM
机构：
[1] Univ Penn, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA
[2] Univ Penn, Dept Chem Engn, Philadelphia, PA 19104 USA
来源：
SURFACE SCIENCE | 2000年 / 465卷 / 1-2期
基金：
美国国家科学基金会;
关键词：
catalysis; carbon monoxide; cerium; rhodium; thermal desorption spectroscopy; zirconium;
D O I：
10.1016/S0039-6028(00)00694-4
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 reaction of CO and ethylene on oxide-supported Rh particles was studied using temperature programmed desorption. The model systems investigated consisted of Rh particles on the following oxide supports: alpha -Al2O3(0001), yttria-stabilized zirconia (100) EYSZ(100)], CeO2 thin film on alpha -Al2O3(0001) and CeO2 thin film on YSZ(100). The results of this study demonstrate that both the ceria and YSZ supports are able to donate oxygen for reaction with carbon species adsorbed on the supported Rh particles. The reducibility of the ceria thin films was found to be influenced by the underlying oxide supports. Ceria films supported on YSZ(100) underwent reduction upon heating to 900 K, while those on alpha -Al2O3(0001) did not. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：127 / 137
页数：11
相关论文
共 32 条
[1]   THE CHEMISORPTION OF CO AND NO ON RH(110) [J].
BAIRD, RJ ;
KU, RC ;
WYNBLATT, P .
SURFACE SCIENCE, 1980, 97 (2-3) :346-362
[2]   INFRARED SPECTROSCOPIC INVESTIGATION OF THE ETHYLENE CHEMISORPTION REACTION ON SUPPORTED METALLIC CATALYST SURFACES - ETHYLIDYNE FORMATION ON PT, RH, PD, AND RU SUPPORTED ON ALUMINA [J].
BEEBE, TP ;
YATES, JT .
JOURNAL OF PHYSICAL CHEMISTRY, 1987, 91 (02) :254-257
[3]   MOLECULAR ETHYLENE ADSORPTION ON RH(111) AND RH(100) - ESTIMATION OF THE C-C STRETCHING FORCE-CONSTANT FROM THE SURFACE VIBRATIONAL FREQUENCIES [J].
BENT, BE ;
MATE, CM ;
KAO, CT ;
SLAVIN, AJ ;
SOMORJAI, GA .
JOURNAL OF PHYSICAL CHEMISTRY, 1988, 92 (16) :4720-4726
[4]  
CALHORDA MJ, 1994, J MOL CATAL A-CHEM, V97, P157
[5]   Effect of ceria structure on oxygen migration for Rh/ceria catalysts [J].
Cordatos, H ;
Bunluesin, T ;
Stubenrauch, J ;
Vohs, JM ;
Gorte, RJ .
JOURNAL OF PHYSICAL CHEMISTRY, 1996, 100 (02) :785-789
[6]   Simulated annealing study of the structure and reducibility in ceria clusters [J].
Cordatos, H ;
Ford, D ;
Gorte, RJ .
JOURNAL OF PHYSICAL CHEMISTRY, 1996, 100 (46) :18128-18132
[7]  
Cotton F.A., 1988, Advanced Inorganic Chemistry
[8]   HYDROGENATION OF CARBON-MONOXIDE - EVIDENCE OF A STRONG METAL SUPPORT INTERACTION IN RH/ZRO2 CATALYSTS [J].
DALLAGNOL, C ;
GERVASINI, A ;
MORAZZONI, F ;
PINNA, F ;
STRUKUL, G ;
ZANDERIGHI, L .
JOURNAL OF CATALYSIS, 1985, 96 (01) :106-114
[9]   Structure of oxide overlayer studied by energy dispersive X-ray diffraction [J].
Dmowski, W ;
Egami, T ;
Gorte, R ;
Vohs, J .
PHYSICA B, 1996, 221 (1-4) :420-425
[10]   THE CHEMISORPTION OF ACETYLENE AND ETHYLENE ON RH(111) - A LOW-ENERGY ELECTRON-DIFFRACTION (LEED), HIGH-RESOLUTION ELECTRON-ENERGY LOSS (ELS), AND THERMAL-DESORPTION MASS-SPECTROMETRY (TDS) STUDY [J].
DUBOIS, LH ;
CASTNER, DG ;
SOMORJAI, GA .
JOURNAL OF CHEMICAL PHYSICS, 1980, 72 (09) :5234-5240
1234