Stationary small and large amplitude patterns during bulk CO electrooxidation on platinum

被引:21
作者
Bonnefont, A
Varela, H
Krischer, K
机构
[1] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany
[2] Tech Univ Munich, Dept Phys E19, D-85748 Garching, Germany
关键词
carbon monoxide; electrochemistry; oxidation; pattern formation; Turing bifurcation;
D O I
10.1002/cphc.200300874
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
Reaction patterns at electrode surfaces: In low-conducting electrolytes the electrochemical oxidation of CO on Pt electrodes spontaneously forms stationary potential and adsorbate patterns in space. The figure shows such a potential pattern on a ring-shaped (quasi one-dimensional) electrode.
引用
收藏
页码:1260 / 1263
页数:4
相关论文
共 19 条
[1]   ELECTROSORPTION OF CARBON-MONOXIDE ON PLATINUM SINGLE-CRYSTALS IN PERCHLORIC-ACID MEDIUM [J].
BEDEN, B ;
BILMES, S ;
LAMY, C ;
LEGER, JM .
JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1983, 149 (1-2) :295-302
[2]  
Carrette L, 2000, CHEMPHYSCHEM, V1, P162, DOI 10.1002/1439-7641(20001215)1:4<162::AID-CPHC162>3.0.CO
[3]  
2-Z
[4]   EXPERIMENTAL-EVIDENCE OF A SUSTAINED STANDING TURING-TYPE NONEQUILIBRIUM CHEMICAL-PATTERN [J].
CASTETS, V ;
DULOS, E ;
BOISSONADE, J ;
DEKEPPER, P .
PHYSICAL REVIEW LETTERS, 1990, 64 (24) :2953-2956
[5]   A SURFACE-ELECTROCHEMICAL BASIS FOR THE DIRECT LOGARITHMIC GROWTH LAW FOR INITIAL-STAGES OF EXTENSION OF ANODIC OXIDE-FILMS FORMED AT NOBLE-METALS [J].
CONWAY, BE ;
BARNETT, B ;
ANGERSTEINKOZLOWSKA, H ;
TILAK, BV .
JOURNAL OF CHEMICAL PHYSICS, 1990, 93 (11) :8361-8373
[6]   Spatiotemporal pattern formation in reactions at surfaces [J].
Ertl, G ;
Rotermund, HH .
CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE, 1996, 1 (05) :617-621
[7]   ELECTROCHEMICAL STUDIES IN SULFURIC-ACID-SOLUTIONS OF ABSORBED CO ON PT (111) ELECTRODES [J].
FELIU, JM ;
ORTS, JM ;
FERNANDEZVEGA, A ;
ALDAZ, A ;
CLAVILIER, J .
JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1990, 296 (01) :191-201
[8]   A GENERAL-MODEL FOR PATTERN-FORMATION IN ELECTRODE-REACTIONS [J].
FLATGEN, G ;
KRISCHER, K .
JOURNAL OF CHEMICAL PHYSICS, 1995, 103 (13) :5428-5436
[9]   Fronts and stationary domains during electrochemical Hz oxidation on Pt: The impact of the position of the reference electrode on the spatiotemporal behaviour [J].
Grauel, P ;
Krischer, K .
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2001, 3 (12) :2497-2502
[10]   Stationary potential patterns during the reduction of peroxodisulfate at Ag ring electrodes [J].
Grauel, P ;
Christoph, J ;
Flätgen, G ;
Krischer, K .
JOURNAL OF PHYSICAL CHEMISTRY B, 1998, 102 (50) :10264-10271