Linear arrays formed by interaction of thiocyanate with Pb monolayers

Show Jon Hsieh, Andrew A Gewirth

Research output: Contribution to journalArticlepeer-review

Abstract

We used scanning tunneling microscopy to examine the effect of introducing SCN to the Pb monolayer island structure formed during the under-potential deposition (upd) of Pb on Au(lll). In the absence of SCN- upd of Pb initially leads to the formation of Pb islands exhibiting the same hexagonal structure and atom-atom spacing (0.34 nm) as does the Pb bulk deposit. Upon addition of SCN-, a new type of structure is formed, featuring linear rows of Pb adatoms, held apart from each other by SCN-, which are lying flat on the electrode surface. These linear Pb structures reflect templating by the ambidentate SCN-molecule.

Original languageEnglish (US)
Pages (from-to)7324-7329
Number of pages6
JournalLangmuir
Volume19
Issue number18
DOIs
StatePublished - Sep 2 2003

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

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