title: Morphological and spectroscopic properties of thin films of self-assembling amphiphilic porphyrins on a hydrophilic surface as revealed by scanning near-field optical microscopy.
abstract: We fabricated porphyrin thin films on mica surfaces from acidic aqueous solutions of the preorganized H-aggregates of amphiphilic porphyrins by the simple spin-coating method. The morphological and spectroscopic properties of the film were investigated by scanning near-field optical microscopy. The results obtained in this study demonstrate that the preorganized structure in solution can be transferred as a thin film with a thickness of the monolayer level without losing their substantial structure and photophysical properties.
authors.affiliation: Institute for Molecular Science and Graduate University for Advanced Studies, Myodaiji, Okazaki 444-8585, Japan.
authors.forename: Tetsuhiko
authors.initials: T
authors.lastname: Nagahara
authors.forename: Kohei
authors.initials: K
authors.lastname: Imura
authors.forename: Hiromi
authors.initials: H
authors.lastname: Okamoto
authors.forename: Akane
authors.initials: A
authors.lastname: Oguro
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Imahori