Electrocatalytic properties of platinum anchored to the surface of highly oriented pyrolytic graphite

被引：0
|
作者：
E. R. Savinova
N. P. Lebedeva
P. A. Simonov
G. N. Kryukova
机构：
[1] Russian Academy of Sciences,Boreskov Institute of Catalysis, Siberian Division
来源：
Russian Journal of Electrochemistry | 2000年 / 36卷
关键词：
Support Surface; Scanning Electron Micro; Highly Orient Pyrolytic Graphite; Potential Cycling; Electrocatalytic Property;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Nano-sized particles of platinum deposited on highly oriented pyrolytic graphite (HOPG) electrolessly (average sized = 3.4 nm) or electrochemically (d = 20 nm) and polycrystalline platinum are compared. The dispersed electrodes exhibit special features in the oxidation of ethylene glycol and adsorbed carbon monoxide. In particular, they reduce the overpotential of these processes. Possible reasons for the observed distinctions are discussed. The potential cycling leads to coalescence of nano-sized Pt particles on HOPG. As a result, their size distribution expands, and the distribution maximum shifts towards large sizes (d = 6.4 nm). This seriously complicates use of Pt/HOPG as a model electrode for investigating the size effect.
引用
收藏
页码：952 / 959
页数：7
相关论文
共 50 条
  • [41] Surface-Limited Electrodeposition of Continuous Platinum Networks on Highly Ordered Pyrolytic Graphite
    Farina, Filippo
    Ercolano, Giorgio
    Cavaliere, Sara
    Jones, Deborah J.
    Roziere, Jacques
    NANOMATERIALS, 2018, 8 (09)
  • [42] VUV photochemistry of oriented molecules: methylchloride on highly oriented pyrolytic graphite
    Wilkes, J
    Lamont, CLA
    Siller, L
    Coquel, JM
    Palmer, RE
    SURFACE SCIENCE, 1997, 390 (1-3) : 237 - 242
  • [43] Magnetic signals of proton irradiated spots created on highly oriented pyrolytic graphite surface
    Han, KH
    Spemann, D
    Esquinazi, P
    Höhne, R
    Riede, V
    Butz, T
    JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2004, 272 : 1190 - 1191
  • [44] Observation of surface corrugation of highly oriented pyrolytic graphite by scanning tunneling microscope in air
    Iri, Takeo, 1600, (31):
  • [45] Catalytic creation of channels in the surface layers of highly oriented pyrolytic graphite by cobalt nanoparticles
    Konishi, S.
    Sugimoto, W.
    Murakami, Y.
    Takasu, Y.
    CARBON, 2006, 44 (11) : 2338 - 2340
  • [46] Atomic force microscopy investigation of DNA denaturation on a highly oriented pyrolytic graphite surface
    Barinov, Nikolay A.
    Ivanov, Dimitry A.
    Dubrovin, Evgeniy, V
    Klinov, Dmitry, V
    INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, 2024, 267
  • [47] STM studies of HCl-induced surface damage on highly oriented pyrolytic graphite
    Hayderer, G
    Cernusca, S
    Schmid, M
    Varga, P
    Winter, HP
    Aumayr, F
    PHYSICA SCRIPTA, 2001, T92 : 156 - 157
  • [48] Surface superstructure of Arc+-bombarded highly oriented pyrolytic graphite during recrystallization
    An, B
    Fukuyama, S
    Yokogawa, K
    Yoshimura, M
    JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 1999, 17 (06): : 2439 - 2442
  • [49] One-dimensional chains of gold clusters on the surface of highly oriented pyrolytic graphite
    Hou, SM
    Tao, CG
    Liu, HW
    Zhao, XY
    Liu, WM
    Xue, ZQ
    SCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES, 2001, 44 (04): : 398 - 402
  • [50] Molecular imaging of single cellulose chains aligned on a highly oriented pyrolytic graphite surface
    Yokota, Shingo
    Ueno, Tomotsugu
    Kitaoka, Takuya
    Wariishi, Hiroyuki
    CARBOHYDRATE RESEARCH, 2007, 342 (17) : 2593 - 2598
12345