Strong optical limiting of soluble axially substituted gallium and indium phthalocyanines

被引:47
作者
Chen, Y
Fujitsuka, M
O'Flaherty, SM
Hanack, M
Ito, O
Blau, WJ
机构
[1] Univ Tubingen, Inst Organ Chem, D-72076 Tubingen, Germany
[2] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, Sendai, Miyagi 9808577, Japan
[3] Univ Dublin Trinity Coll, Dept Phys, Dublin 2, Ireland
关键词
D O I
10.1002/adma.200304487
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Optical limiting in In- and Ga-phthalocyanines exhibits a range of saturation densities and absorption cross-section ratios. Substitution of the p-trifluoromethyl phenyl group at the central metal in tBu(4)PcGaCl and tBu(4)PcInCl reduces the saturation energy density by a factor of >3. Tailorable optical limiting properties are shown in the Figure, which plots the nonlinear absorption coefficient as a function of intensity for the five compounds studied.
引用
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页码:899 / +
页数:5
相关论文
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