Morphological and spectroscopic properties of thin films of self-assembling amphiphilic porphyrins on a hydrophilic surface as revealed by scanning near-field optical microscopy |
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Authors: | Nagahara Tetsuhiko Imura Kohei Okamoto Hiromi Oguro Akane Imahori Hiroshi |
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Institution: | Institute for Molecular Science and Graduate University for Advanced Studies, Myodaiji, Okazaki 444-8585, Japan. |
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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. |
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