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Liao, Yi
in Cooperation with on an Cooperation-Score of 37%
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Publications (6/6 displayed)
- 2008Guest-host cooperativity in organic materials greatly enhances the nonlinear optical responsecitations
- 2007Theory-Guided Design and Synthesis of Multichromophore Dendrimerscitations
- 2006Theoretically-inspired rational design of electro-optic materials
- 2005Systematic Study of the Structure-Property Relationship of a Series of Ferrocenyl Nonlinear Optical Chromophorescitations
- 2005Exceptional electro-optic properties through molecular design and controlled self-assemblycitations
- 2005Acentric lattice electro-optic materials by rational designcitations
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article
Guest-host cooperativity in organic materials greatly enhances the nonlinear optical response
Abstract
Some of the most highly active organic electro-optic (EO) materials developed recently rely on the combination of an EO-active (chromophore- containing) host material (dendrimer or side-chain polymer) and an EO-active (chromophore) guest. These new binary-chromophore materials exhibit EO coefficients (r<sub>33</sub>) in the range of 250 to greater than 300 pm/V (currently as high as 450 pm/V). The EO activity of these binary-chromophore materials is greater the sum of their individual components. The experimentally observed increase in the nonlinear optical response of two representative classes of EO chromophore-EO dendrimer and EO chromophore-EO polymer mixtures relative to the response of the isolated components is described quantitatively herein by a physical model that accounts for cooperativity in the guest-host interactions. © 2008 American Chemical Society.