Tetrahedron Letters p. 3913 - 3916 (2005)
Update date:2022-09-26
Topics: Characterization Purification
Suresh
Zengin, Huseyin
Spraul, Bryan K.
Sassa, Takafumi
Wada, Tatsuo
Smith Jr., Dennis W.
The synthesis and hyperpolarizabilities of a series of push-pull chromophores containing bis-(4-methoxyphenyl)-amine donor and efficient acceptors bridged with ring locked polyene are presented. The chromophores are readily soluble in common organic solvents and exhibit high thermal decomposition temperatures (highest Td = 330°C). Molecular hyperpolarizabilities (β) of the chromophores were measured by Hyper Rayleigh Scattering (HRS) at 1604 nm (highest β = 20,000 × 10 -30 esu). These chromophores can be used to develop electro-optic (EO) materials due to their large optical nonlinearities, good absorption characteristics, high thermal decomposition temperatures, and excellent solubility with organic solvents and polymeric materials.
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