Ultrathin micropatterned porphyrin films assembled via zirconium phosphonate chemistry

Aaron M. Massari, Richard W. Gurney, Matt D. Wightman, Chien Hao Kane Huang, Son Binh T. Nguyen, Joseph T. Hupp

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

The synthesis of a phosphonic-acid-functionalized porphyrin is presented and a procedure for the reproducible assembly of the porphyrins into thin films on glass or conductive glass surfaces is described. The assembly scheme, which utilizes established zirconium phosphonate (ZrP) chemistry, yields highly oriented films (normal to the surface) of well-defined thicknesses. In the lateral direction (plane parallel to the surface) the porphyrins interact by edge-on-edge contact and are characterized by significant porosity. Electrochemical redox-probe experiments indicate the existence of openings or pores of several angstroms in width in both monolayer and multilayer ZrP porphyrin films. Micropatterned versions of the films, capable of diffracting visible light, have also been prepared and have been used for the direct evaluation of film thicknesses via atomic force microscopy.

Original languageEnglish
Pages (from-to)3065-3072
Number of pages8
JournalPolyhedron
Volume22
Issue number22
DOIs
Publication statusPublished - Oct 1 2003

    Fingerprint

Keywords

  • Diffraction gratings
  • Porphyrins
  • Thin films
  • Zirconium phosphonates

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Massari, A. M., Gurney, R. W., Wightman, M. D., Huang, C. H. K., Nguyen, S. B. T., & Hupp, J. T. (2003). Ultrathin micropatterned porphyrin films assembled via zirconium phosphonate chemistry. Polyhedron, 22(22), 3065-3072. https://doi.org/10.1016/S0277-5387(03)00428-5