EFFECT OF BI AND SN ADATOMS ON FORMIC-ACID AND METHANOL OXIDATION AT WELL DEFINED PLATINUM SURFACES

被引:107
作者
CAMPBELL, SA [1 ]
PARSONS, R [1 ]
机构
[1] UNIV SOUTHAMPTON,DEPT CHEM,SOUTHAMPTON SO9 5NH,HANTS,ENGLAND
来源
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1992年 / 88卷 / 06期
关键词
D O I
10.1039/ft9928800833
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 effect of adsorbing submonolayers of bismuth and tin onto single-crystal, polycrystalline and dispersed platinum electrodes on the oxidation of formic acid and methanol was investigated. While the oxidation of formic acid on Pt(111) was found to be enhanced by adsorbed sub-monolayers of bismuth, the oxidation of methanol was inhibited by all adsorbed coverages of both tin and bismuth on all electrodes. The adsorbed tin was found to be more stable on the dispersed Pt electrodes than on the smooth electrodes.
引用
收藏
页码:833 / 841
页数:9
相关论文
共 32 条
  • [1] STRUCTURAL EFFECTS IN ELECTROCATALYSIS - OXIDATION OF FORMIC-ACID AND OXYGEN REDUCTION ON SINGLE-CRYSTAL ELECTRODES AND THE EFFECTS OF FOREIGN METAL ADATOMS
    ADZIC, RR
    TRIPKOVIC, AV
    MARKOVIC, NM
    [J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1983, 150 (1-2) : 79 - 88
  • [2] ADZIC RR, 1984, ADV ELECTROCH EL ENG, V13, P159
  • [3] CHARACTERIZATION OF PT-SN CATALYST FOR ELECTROCHEMICAL OXIDATION OF METHANOL
    ANDREW, MR
    DRURY, JS
    MCNICOL, BD
    PINNINGTON, C
    SHORT, RT
    [J]. JOURNAL OF APPLIED ELECTROCHEMISTRY, 1976, 6 (02) : 99 - 106
  • [4] [Anonymous], 1963, ELECTROCHIM ACTA
  • [5] ELECTROCATALYTIC OXIDATION OF METHANOL ON PLATINUM-BASED BINARY ELECTRODES
    BEDEN, B
    KADIRGAN, F
    LAMY, C
    LEGER, JM
    [J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1981, 127 (1-3): : 75 - 85
  • [6] BITTINSCARRANEO B, 1987, J ELECTROANAL CHEM, V238, P1518
  • [7] ON THE FEASIBILITY OF THE MISSING ROW MODEL OF THE (1X2) RECONSTRUCTIONS OF (110) PT AND AU
    CAMPUZANO, JC
    LAHEE, AM
    JENNINGS, G
    [J]. SURFACE SCIENCE, 1985, 152 (APR) : 68 - 76
  • [8] OXIDATION OF FORMIC-ACID AT NOBLE-METAL ELECTRODES PART .3. INTERMEDIATES AND MECHANISM ON PLATINUM-ELECTRODES
    CAPON, A
    PARSONS, R
    [J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1973, 45 (02): : 205 - 231
  • [9] OXIDATION OF FORMIC-ACID AT NOBLE-METAL ELECTRODES .1. REVIEW OF PREVIOUS WORK
    CAPON, A
    PARSONS, R
    [J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1973, 44 (01): : 1 - 7