A scanning tunnelling microscopy study of the formation and chemical activation of step defects on the basal plane of pyrolytic graphite

V. N. MOROZOV, J. SHERMAN, N. R. KALLENBACH, SHOU MING DU, N. C. SEEMAN

Research output: Contribution to journalReview article

Abstract

Scanning tunnelling microscopy is used to monitor etching of the basal plane of highly orientated pyrolytic graphite by ozone, oxygen and nitric acid. These treatments are seen to produce numerous single and multilayer step defects. Subsequent modification of the graphite sheet edges flanking these cavities by cyanuric chloride, TiCl4 and other reagents is shown to activate the edges, thereby making them capable of covalently binding various molecules. 1993 Blackwell Science Ltd

Original languageEnglish (US)
Pages (from-to)237-245
Number of pages9
JournalJournal of Microscopy
Volume170
Issue number3
DOIs
StatePublished - Jun 1993

Keywords

  • Scanning tunnelling microscopy
  • defects
  • pyrolitic graphite
  • sample immobilization

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Histology

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