高等学校化学学报 ›› 1994, Vol. 15 ›› Issue (12): 1772.

• 研究简报 • 上一篇    下一篇

纳米超微电极的研究(Ⅳ)─超微金柱电极的制作与表征

张学记, 万其进, 张悟铭, 周性尧   

  1. 武汉大学化学系, 武仅, 430072
  • 收稿日期:1993-12-02 修回日期:1994-04-14 出版日期:1994-12-24 发布日期:1994-12-24
  • 通讯作者: 周性尧.
  • 作者简介:张学记,男,30岁,博士.
  • 基金资助:

    国家自然科学基金

Investigations on Nanometer-sized Ultramicroelectrodes (Ⅳ) ─Fabrication, Characterization of Gold Cylinder Ultramicroelectrodes

ZHANG Xue-Ji, WAN Qi-Jin, ZHANG Wu-Ming, ZHOU Xing-Yao   

  1. Department of Chemistry, Wuhan University, Wuhan, 430072
  • Received:1993-12-02 Revised:1994-04-14 Online:1994-12-24 Published:1994-12-24

关键词: 微电极, 纳米超微电极, 伏安法, 离子束, 金纤维

Abstract: Anovel method is described for construction of nanometer-sized gold ultramicroelectrodes using gold fiber etched by ion beam. The electrodes with tip as small as 30 nanometer have been fabricated and characterized by cyclic voltammetry, scanning electron microscopy and chronoamperommetry. The results have shown that fabrication of the electrodes is successful. Moreover, the electrodes can be constructed in a desired size regime. The experiments suggest that the electrodes can be applied in scanning tunelling microscopy electrochemistry, for microvoltammetry in a ultramicroenvironment such as membrane hole with diameter as small as 10μm.

Key words: Microelectrode, Nanometer-sized ultramicroelectrode, Voltammetry, Ion beam, Gold fiber

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