Real-time STM/AFM study of electron transfer reactions of an organic molecule: xanthine at the graphite-water interface

Nongjian Tao, Z. Shi

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

The oxidation of xanthine adsorbed at the water-graphite interface has been studied in real-time with scanning tunneling microscopy (STM) and atomic force microscopy (AFM). The reaction was found to start preferentially from defect sites. The molecular packing structures of both the reactant and the product molecules were determined from the molecular resolution AFM images. Superperiodic structures of both the reactant and the product were observed in the STM images which were attributed to the electronic modulations of the underlying lattice on the molecular monolayers.

Original languageEnglish (US)
JournalSurface Science
Volume321
Issue number1-2
DOIs
StatePublished - Dec 10 1994
Externally publishedYes

Fingerprint

xanthines
Xanthine
Graphite
Scanning tunneling microscopy
scanning tunneling microscopy
Atomic force microscopy
electron transfer
graphite
atomic force microscopy
Molecules
Electrons
Water
products
water
molecules
Monolayers
Modulation
modulation
Oxidation
Defects

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

Real-time STM/AFM study of electron transfer reactions of an organic molecule : xanthine at the graphite-water interface. / Tao, Nongjian; Shi, Z.

In: Surface Science, Vol. 321, No. 1-2, 10.12.1994.

Research output: Contribution to journalArticle

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