Nanoscale visualization of microcrystalline chlorophyll a investigated with scanning tunneling microscopy

S. Boussaad, J. A. DeRose, R. M. Leblanc

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

We have studied the topography of microcrystalline chlorophyll a films, that have been electrodeposited onto gold electrodes, using scanning tunneling microscopy (STM). The STM revealed that the films possess a polycrystalline structure with small grain sizes of 50 to 100 nm in diameter and a very rough surface topography with a surface roughness of 5 to 10 nm over surface areas of 1 × 1 μm. The surface structure correlates with results from an earlier photocurrent study of microcrystalline chlorophyll a.

Original languageEnglish (US)
Pages (from-to)107-113
Number of pages7
JournalChemical Physics Letters
Volume246
Issue number1-2
DOIs
StatePublished - Nov 17 1995

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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