Guest-host cooperativity in organic materials greatly enhances the nonlinear optical response

被引：116

作者：

Pereverzev, Yuriy V. ^{[1
]}

Gunnerson, Kirn N. ^{[1
]}

Prezhdo, Oleg V. ^{[1
]}

Sullivan, Philip A. ^{[1
]}

Liao, Yi ^{[1
]}

Olbricht, Benjamin C. ^{[1
]}

Akelaitis, Andrew J. P. ^{[1
]}

Jen, Alex K. -Y. ^{[2
]}

Dalton, Larry R. ^{[1
]}

机构：

[1] Univ Washington, Dept Chem, Seattle, WA 98195 USA

[2] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2008年 / 112卷 / 11期

关键词：

D O I：

10.1021/jp077194q

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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(33)) 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.

引用

页码：4355 / 4363

页数：9

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