Photophysical and nonlinear optical properties of μ-oxo-bridged indium and gallium phthalocyanines

被引：24
作者：
Liu, Ying
O'Flaherty, Sean M.
Chen, Yu
Araki, Yasuyuki
Bai, Jinrui
Doyle, James
Blau, Werner J.
Ito, Osamu
机构：
[1] E China Univ Sci & Technol, Dept Chem, Adv Mat Lab, Shanghai 200237, Peoples R China
[2] Trinity Coll Dublin, Dept Phys, Mat Ireland Polymer Res Ctr, Dublin 2, Ireland
[3] Tohoku Univ, JST, CREST, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan
来源：
DYES AND PIGMENTS | 2007年 / 75卷 / 01期
基金：
中国国家自然科学基金;
关键词：
phthalocyanines; optical properties; time-resolved optical spectroscopies; nonlinear optics;
D O I：
10.1016/j.dyepig.2006.04.015
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The photophysical and nonlinear optical properties of a mu-oxo-bridged phthalocyanine heterodimer, i.e., [tBu(4)PcGa-O-InPctBu(4)] (5), where gallium is located in one macrocycle and indium is on the other macrocycle and the two metal atoms are connected through oxygen, have been described. Its photophysical properties are compared with the dimers: [tBu(4)PcGa](2)O (3) and [tBu(4)PCIn](2)O (4). The very small shifts of Q- and B-bands for all mu-oxo Pc dimers 3-5 relative to the starting materials tBu(4)PcGaCl (1) and tBu(4)PcInCl (2) is indicative of a very weak interaction between two phthalocyanine rings in the ground state. The deactivation processes of the excited singlet state of 5 occur independently for tBu(4)PcGa-O-moiety and tBu(4)PCIn-O-moiety. Dimerization in the manner of 5 has no advantages over 3 and 4 from the point of view of optical limiting as it does not increase the ratio of the excited to ground state absorption cross-sections nor does it reduce the saturation energy density. (C) 2006 Elsevier Ltd. All rights reserved.
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页码：88 / 92
页数：5
相关论文
共 36 条
[1]  
CHEMLA DS, 1987, NONLINEAR OPTICAL PR, V1
[2]  
CHEMLA DS, 1987, NONLINEAR OPTICAL PR, V2
[3]   Axially modified gallium phthalocyanines and naphthalocyanines for optical limiting [J].
Chen, Y ;
Hanack, M ;
Araki, Y ;
Ito, O .
CHEMICAL SOCIETY REVIEWS, 2005, 34 (06) :517-529
[4]   Photophysical studies on axially substituted indium and gallium phthalocyanines upon UV-Vis laser irradiation [J].
Chen, Y ;
Araki, Y ;
Fujitsuka, M ;
Hanack, M ;
Ito, O ;
O'Flaherty, SM ;
Blau, WJ .
SOLID STATE COMMUNICATIONS, 2004, 131 (12) :773-778
[5]   Synthesis, characterization, and optical-limiting properties of axially substituted gallium(III) naphthalocyanines [J].
Chen, Y ;
O'Flaherty, S ;
Fujitsuka, M ;
Hanack, M ;
Subramanian, LR ;
Ito, O ;
Blau, WJ .
CHEMISTRY OF MATERIALS, 2002, 14 (12) :5163-5168
[6]  
Chen Y, 2002, ANGEW CHEM INT EDIT, V41, P3239, DOI 10.1002/1521-3773(20020902)41:17<3239::AID-ANIE3239>3.0.CO
[7]  
2-F
[8]  
Chen Y, 2002, CHEM-EUR J, V8, P4248, DOI 10.1002/1521-3765(20020916)8:18<4248::AID-CHEM4248>3.0.CO
[9]  
2-R
[10]  
Chen Y, 2002, EUR J INORG CHEM, P1032
1234