Issue 10, 2011
From the journal:

Photochemical & Photobiological Sciences

Unusually efficient trans-to-cisphotoisomerization of diphenylbutadiene dendrimers in water†

Yousuke Miura,a   Atsuya Momotake,a   Yoko Kanna,b   Yoshinobu Nishimuraa  and  Tatsuo Arai*a  

* Corresponding authors

a Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
E-mail: arai@chem.tsukuba.ac.jp
Fax: +81-298-53-6503
Tel: +81-298-53-4315

b Faculty of Science, University of the Ryukyus, Nishihara, Okinawa, Japan

Abstract

A diphenylbutadiene-cored dendrimer exhibited a remarkably high quantum yield for trans-to-cisphotoisomerization in aqueous solution. Analysis of the fluorescence lifetimes and the wavelength-dependent excitation spectra suggested that the core butadiene adopts multiple conformations, one or several of which is sufficiently distorted to undergo preferential photoisomerization.

Graphical abstract: Unusually efficient trans-to-cisphotoisomerization of diphenylbutadiene dendrimers in water

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Article information

DOI
https://doi.org/10.1039/C1PP05212H
Article type
Communication
Submitted
05 jul 2011
Accepted
01 aug 2011
First published
22 aug 2011

Photochem. Photobiol. Sci., 2011,10, 1524-1526

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Unusually efficient trans-to-cisphotoisomerization of diphenylbutadiene dendrimers in water

Y. Miura, A. Momotake, Y. Kanna, Y. Nishimura and T. Arai, Photochem. Photobiol. Sci., 2011, 10, 1524 DOI: 10.1039/C1PP05212H

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