Issue 7, 2009
From the journal:

New Journal of Chemistry

Triphenylamine-modified quinoxaline derivatives as two-photon photoinitiators

Xingbo Cao,ac   Feng Jin,b   Ying-Feng Li,a   Wei-Qiang Chen,*b   Xuan-Ming Duanb  and  Lian-Ming Yang*a  

* Corresponding authors

a Beijing National Laboratory for Molecular Sciences (BNLMS), Laboratory of New Materials, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
E-mail: yanglm@mail.iccas.ac.cn

b Laboratory of Organic Nanophotonics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, China
E-mail: chenwq7315@mail.ipc.ac.cn

c Graduate School of Chinese Academy of Sciences, Beijing, China

Abstract

Two new chromophores, triphenylamine-modified quinoxaline (TPAQ) and benzoquinoxaline (TPABQ), were synthesized, and their linear spectroscopy and two-photon absorption properties were investigated. For comparison, 4-ethoxyphenyl-substituted quinoxaline (EOQ) and benzoquinoxaline (EOBQ) were prepared. The results showed that TPAQ possesses a high fluorescence quantum yield and a high δ2PA value of >160 GM in the laser light wavelength range of 780–820 nm, and is superior to most common benzil-type compounds as a photoinitiator in two-photon initiated polymerization.

Graphical abstract: Triphenylamine-modified quinoxaline derivatives as two-photon photoinitiators

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Article information

DOI
https://doi.org/10.1039/B900464E
Article type
Paper
Submitted
15 Jan 2009
Accepted
19 Feb 2009
First published
27 Mar 2009

New J. Chem., 2009,33, 1578-1582

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Triphenylamine-modified quinoxaline derivatives as two-photon photoinitiators

X. Cao, F. Jin, Y. Li, W. Chen, X. Duan and L. Yang, New J. Chem., 2009, 33, 1578 DOI: 10.1039/B900464E

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