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Polyethyleneoxide-capped Phthalocyanines: Limiting Phthalocyanine Aggregation to Dimer Formation by D. D. Dominguez; A. W. Snow; J. S. Shirk; R. G. S. Pong is a Materials Science article available to read on EtoBox.
What is Polyethyleneoxide-capped Phthalocyanines: Limiting Phthalocyanine Aggregation to Dimer Formation about?
The synthesis and characterization of a soluble metal-free polyethyleneoxide-capped phthalocyanine and the corresponding lead compound are described. This phthalocyanine was designed to allow the formation of dimers but to inhibit formation of higher aggregates. The monomer/dimer equilibrium constant in chloroform solutions is 750 ± 20 l mol ^-1^. No evidence for higher aggregates was found. The molecular extinction coefficient of the metal-free polyethyleneoxide-capped phthalocyanine in chloroform is one of the lowest known (2.5 × 104 l mol ^-1^ cm ^-1^). The lead-substituted material was demonstrated to be a reverse saturable absorber from 532 nm to about 610 nm. It possesses a large nonlinear absorption coefficient in the visible and is a promising optical limiter material.
Who reads Polyethyleneoxide-capped Phthalocyanines: Limiting Phthalocyanine Aggregation to Dimer Formation?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- D. D. Dominguez; A. W. Snow; J. S. Shirk; R. G. S. Pong
- Publisher
- John Wiley and Sons; World Scientific ; World Scientific Publishing Co; World Scientific Pub Co Pte Lt (ISSN 1088-4246)
- Published
- 2001
- Language
- EN
- Field
- Materials Science (Physical Sciences)