Near-field scanning optical microscopy of zinc-porphyrin crystals

Robert Brunner, Margaret E. Kosal, Kenneth S. Suslick, Ralf Lamche, Othmar Marti, Jeffrey O. White

Research output: Contribution to journalArticle

Abstract

Using a near-field scanning optical microscope (NSOM), crystals of zinc-porphyrin network materials are characterized with respect to morphology and fluorescence. Needle-shaped crystals are observed. While the topography is flat, the fluorescence intensity profile in the width direction is approximately triangular. A numerical calculation shows that differences between the topographic and optical images cannot be due to an artifact. In some needle-shaped crystals, the fluorescence emission is strongly peaked at one or both ends, possibly indicating a polar crystal structure. Copyright (C) 2000 Elsevier Science B.V.

Original languageEnglish (US)
Pages (from-to)149-157
Number of pages9
JournalUltramicroscopy
Volume84
Issue number3-4
DOIs
StatePublished - Aug 1 2000

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Keywords

  • Fluorescence
  • Microscopic examination of materials
  • Organic crystals
  • Scanning near-field optical microscopy

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Instrumentation

Cite this

Brunner, R., E. Kosal, M., Suslick, K. S., Lamche, R., Marti, O., & White, J. O. (2000). Near-field scanning optical microscopy of zinc-porphyrin crystals. Ultramicroscopy, 84(3-4), 149-157. https://doi.org/10.1016/S0304-3991(00)00027-9