Nanosecond nonlinear optical limiting properties of new trinuclear lanthanide phthalocyanines in solution and as thin films

被引：44
作者：
Sekhosana, Kutloano E. [1 ]
Amuhaya, Edith [1 ]
Nyokong, Tebello [1 ]
机构：
[1] Rhodes Univ, Dept Chem, ZA-6140 Grahamstown, South Africa
来源：
POLYHEDRON | 2015年 / 85卷
基金：
新加坡国家研究基金会;
关键词：
Triazin phthalocyanine; Nonlinear optics; Poly(bisphenol A carbonate); Optical limiting; Ytterbium and Lutetium; TRIAZINE; ZINC; SUBSTITUENTS; SPECTROSCOPY; DERIVATIVES; ABSORPTION; SINGLET; WATER;
D O I：
10.1016/j.poly.2014.08.047
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
2,4,6-Tris[3-thio-9,10,16,17,23,24-hexa(4-tertbutylphenoxy) phthalocyaninato ytterbium (III) chloride]-s-triazin (3) and its lutetium counterpart (4) were synthesized. The nonlinear optical behavior of 3 and 4 were characterized in solution and when embedded in polymer as thin films. Thin films of complexes 3 and 4 in poly(bisphenol A carbonate) showed improved nonlinear optical properties when compared to solution. Complex 3 showed a lower threshold for optical limiting intensity (I-lim) than complex 4, and for phthalocyanines in general. I-lim values were even lower in films compared to solutions. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：347 / 354
页数：8
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