Triphenylamine-modified quinoxaline derivatives as two-photon photoinitiators

被引：31

作者：

Cao, Xingbo ^{[2
,3
]}

Jin, Feng ^{[1
]}

Li, Ying-Feng ^{[3
]}

Chen, Wei-Qiang ^{[1
]}

Duan, Xuan-Ming ^{[1
]}

Yang, Lian-Ming ^{[3
]}

机构：

[1] Chinese Acad Sci, Tech Inst Phys & Chem, Lab Organ Nanophoton, Beijing 100190, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

[3] Chinese Acad Sci, Inst Chem, New Mat Lab, BNLMS, Beijing 100190, Peoples R China

来源：

NEW JOURNAL OF CHEMISTRY | 2009年 / 33卷 / 07期

基金：

中国国家自然科学基金;

关键词：

OPTICAL-DATA STORAGE; CROSS-SECTIONS; QUANTUM YIELDS; EXCITATION; ABSORPTION;

D O I：

10.1039/b900464e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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 delta(2PA) 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.

引用

页码：1578 / 1582

页数：5

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