Issue 44, 2009
From the journal:

Chemical Communications

Two-photon absorption properties of heterafluorenes and spirobiheterafluorenes bearing aminostyryl arms†

Tomohiro Agou,‡a   Md. Delwar Hossain,§a   Takayuki Kawashima,*a   Kenji Kamadab  and  Koji Ohtab  

* Corresponding authors

a Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
E-mail: takayuki@chem.s.u-tokyo.ac.jp
Fax: +81-3-5800-6899
Tel: +81-3-5841-4338

b Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), AIST Kansai Research Center, Ikeda, Japan

Abstract

A phosphoniafluorene and a spirobiphosphoniafluorene bearing 4-(diethylamino)styryl groups were synthesized. These compounds exhibited bathochromically shifted absorption and emission, compared with their silicon analogues, because of the strong acceptor property of the phosphonium core. They also showed enhanced two-photon absorptions at around 930 nm.

Graphical abstract: Two-photon absorption properties of heterafluorenes and spirobiheterafluorenes bearing aminostyryl arms

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Article information

DOI
https://doi.org/10.1039/B912745C
Article type
Communication
Submitted
29 Jun 2009
Accepted
09 Sep 2009
First published
28 Sep 2009

Chem. Commun., 2009, 6762-6764

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Two-photon absorption properties of heterafluorenes and spirobiheterafluorenes bearing aminostyryl arms

T. Agou, Md. D. Hossain, T. Kawashima, K. Kamada and K. Ohta, Chem. Commun., 2009, 6762 DOI: 10.1039/B912745C

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