Issue 36, 2009
From the journal:

Chemical Communications

Non-coplanar 9,9-diphenyl-substituted oligofluorenes with large two-photon absorption enhancement†

Po Lam Wu,ac   Ping Fang Xia,ab   Zhong Hui Li,b   Xin Jiang Feng,ab   Hoi Lam Tam,ac   King Fai Li,ac   Yong Jiao,d   Man Shing Wong*ab  and  Kok Wai Cheah*ac  

* Corresponding authors

a Centre for Advanced Luminescence Materials, Hong Kong Baptist University, Kowloon Tong, Hong Kong SAR, China

b Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong SAR, China
E-mail: mswong@hkbu.edu.hk

c Department of Physics, Hong Kong Baptist University, Kowloon Tong, Hong Kong SAR, China
E-mail: kwcheah@hkbu.edu.hk

d Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China

Abstract

The non-coplanar substituted phenyl rings at the 9-position of a fluorenyl unit can be involved in π-electron delocalization in which the resulting oligofluorenes exhibit a very large enhancement of two-photon absorption cross sections up to 2559 GM at 710 nm.

Graphical abstract: Non-coplanar 9,9-diphenyl-substituted oligofluorenes with large two-photon absorption enhancement

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Article information

DOI
https://doi.org/10.1039/B909909C
Article type
Communication
Submitted
19 May 2009
Accepted
26 Jun 2009
First published
28 Jul 2009

Chem. Commun., 2009, 5421-5423

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Non-coplanar 9,9-diphenyl-substituted oligofluorenes with large two-photon absorption enhancement

P. L. Wu, P. F. Xia, Z. H. Li, X. J. Feng, H. L. Tam, K. F. Li, Y. Jiao, M. S. Wong and K. W. Cheah, Chem. Commun., 2009, 5421 DOI: 10.1039/B909909C

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