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Template preparation of Pt nanowire array electrode on Ti/Si substrate for methanol electro-oxidation

  • Guang Yu Zhao
  • , Cai Ling Xu
  • , Dao Jun Guo
  • , Hua Li
  • , Hu Lin Li*
  • *Corresponding author for this work
  • Lanzhou University

Research output: Contribution to journalArticlepeer-review

Abstract

Platinum (Pt) nanowire array electrode is obtained by dc electrodeposition of Pt into the pores of anodic aluminum oxide (AAO) template on Ti/Si substrate. Transmission electron microscope (TEM) examination shows all the nanowires have uniform diameter of about 30 nm. The brush shapes Pt nanowire array electrode can be seen clearly by field emission scanning electron microscope (FESEM). Pt nanowire array electrode gives the X-ray diffraction (XRD) pattern of face-centered cubic (fcc) crystal structure. The electro-oxidation of methanol on this electrode is investigated at room temperature by cyclic voltammetry. The results demonstrated that the Pt nanowire array electrode will have good potential applications in portable power sources.

Original languageEnglish
Pages (from-to)3242-3246
Number of pages5
JournalApplied Surface Science
Volume253
Issue number6
DOIs
StatePublished - 15 Jan 2007
Externally publishedYes

Keywords

  • AAO/Ti/Si
  • Electro-catalysis
  • Methanol oxidation
  • Portable power sources
  • Pt nanowire array electrode

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