In situ electrochemical STM imaging of roughened gold and platinum electrode surfaces

• Published in: Surface science Vol. 335; no. 1-3; pp. 145 - 154
• Main Authors: Breuer, N., Funtikov, A.M., Stimming, U., Vogel, R.
• Format: Journal Article Conference Proceeding
• Language: English
• Published: Lausanne Elsevier B.V 20-07-1995; Amsterdam Elsevier Science; New York, NY
• Subjects: Applied sciences; Condensed matter: structure, mechanical and thermal properties; Exact sciences and technology; Metals. Metallurgy; Physics; Solid-fluid interfaces; Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties); Electrodes; Gold; Annealing; Electrochemical method; Platinum; Transition elements; Experimental study; STM; Surface structure
• ISSN: 0039-6028; 1879-2758
• DOI: 10.1016/0039-6028(95)00460-2

The effects of flame annealing on the surface structure of polycrystalline gold and platinum electrodes were investigated by scanning tunneling microscopy. For gold a pronounced facetting in the (100) direction was observed. The roughness of the platinum sample was significantly reduced by the annealing procedure. On an electrochemically roughened Pt(111) electrode atomic scale resolution was achieved on a surface with near-atomic scale roughness.