Synthesis and properties of a new two-photon absorbing chromophore

被引：8
|
作者：
Wang, L [1 ]
Tao, XT [1 ]
Yang, JX [1 ]
Xu, GB [1 ]
Ren, Y [1 ]
Liu, Y [1 ]
Yan, YX [1 ]
Liu, Z [1 ]
Jiang, MH [1 ]
机构：
[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
来源：
SYNTHETIC METALS | 2006年 / 156卷 / 2-4期
基金：
中国国家自然科学基金;
关键词：
two-photon absorption; multi-branched compound; TKAVPB;
D O I：
10.1016/j.synthmet.2005.10.017
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents of a new, conjugated and symmetric multi-branched two-photon absorption chromophore 1,2,4,5-tetrakis(4-N-methyl-Nhydroxyethylamino)vinylphenyl benzene (TKAVPB) with D-pi-D structure. The new dye built on 1,2,4,5-benzene core with four amino-branching units, which allows efficient pi-electron delocalization, exhibits moderate two-photon absorption (TPA) value in the femoseconds regime (TPA cross-section as 97 x 10(-50) cm(4) s photon(-1) molecule(-1) with 200 fs laser pulses). Linear absorption, single and two-photon fluorescence spectra were experimentally studied. When pumped with 760nm laser irradiation, TKAVPB shows strong two-photon up-conversion fluorescence with peak at 527 nm. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：141 / 145
页数：5
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