Effect of mesomorphic phase transitions on absorption and fluorescence spectra of long-chain tetraphenylporphyrin

Yo Shimizu; Taizo Higashiyama

doi:10.1117/12.301320

1 January 1998 Effect of mesomorphic phase transitions on absorption and fluorescence spectra of long-chain tetraphenylporphyrin

Yo Shimizu, Taizo Higashiyama

Author Affiliations +

Proceedings Volume 3319, Liquid Crystals: Chemistry and Structure; (1998) https://doi.org/10.1117/12.301320
Event: Liquid Crystals, 1997, Zakopane, Poland

Abstract

A mesomorphic long-chain tetraphenylporphyrin was investigated on the visible absorption and fluorescence spectra and the fluorescence lifetime was measured through the phase transitions. All results indicate that the low- temperature lamellar mesophase has face-to-face molecular arrangement, through the high-temperature one does not as the proposed structures based on the powder x-ray diffraction studies.

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Yo Shimizu and Taizo Higashiyama "Effect of mesomorphic phase transitions on absorption and fluorescence spectra of long-chain tetraphenylporphyrin", Proc. SPIE 3319, Liquid Crystals: Chemistry and Structure, (1 January 1998); https://doi.org/10.1117/12.301320

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