Morphological and spectroscopic properties of thin films of self-assembling amphiphilic porphyrins on a hydrophilic surface as revealed by scanning near-field optical microscopy

Tetsuhiko Nagahara; Kohei Imura; Hiromi Okamoto; Akane Oguro; Hiroshi Imahori

doi:10.1021/jp053220d

Morphological and spectroscopic properties of thin films of self-assembling amphiphilic porphyrins on a hydrophilic surface as revealed by scanning near-field optical microscopy

Tetsuhiko Nagahara, Kohei Imura, Hiromi Okamoto^*, Akane Oguro, Hiroshi Imahori

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

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.

Original language	English
Pages (from-to)	19839-19844
Number of pages	6
Journal	Journal of Physical Chemistry B
Volume	109
Issue number	42
DOIs	https://doi.org/10.1021/jp053220d
Publication status	Published - 2005 Oct 27
Externally published	Yes

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Surfaces, Coatings and Films
Materials Chemistry

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Morphological and spectroscopic properties of thin films of self-assembling amphiphilic porphyrins on a hydrophilic surface as revealed by scanning near-field optical microscopy. / Nagahara, Tetsuhiko; Imura, Kohei; Okamoto, Hiromi et al.
In: Journal of Physical Chemistry B, Vol. 109, No. 42, 27.10.2005, p. 19839-19844.

Research output: Contribution to journal › Article › peer-review

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AU - Oguro, Akane

AU - Imahori, Hiroshi

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AB - 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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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

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