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

doi:10.1016/S0277-5387(03)00428-5

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

Northwestern University

Research output: Contribution to journal › Article

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 language	English
Pages (from-to)	3065-3072
Number of pages	8
Journal	Polyhedron
Volume	22
Issue number	22
DOIs	https://doi.org/10.1016/S0277-5387(03)00428-5
Publication status	Published - Oct 1 2003

Keywords

Diffraction gratings
Porphyrins
Thin films
Zirconium phosphonates

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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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

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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.",

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AU - Massari, Aaron M.

AU - Gurney, Richard W.

AU - Wightman, Matt D.

AU - Huang, Chien Hao Kane

AU - Nguyen, Son Binh T.

AU - Hupp, Joseph T.

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AB - 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.

KW - Diffraction gratings

KW - Porphyrins

KW - Thin films

KW - Zirconium phosphonates

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