Binary chromophore systems in nonlinear optical dendrimers and polymers for large electrooptic activities

Tae Dong Kim, Jingdong Luo, Yen Ju Cheng, Zhengwei Shi, Steven Hau, Sei Hum Jang, Xing Hua Zhou, Yanqing Tian, Brent Polishak, Su Huang, Ma Hong, Larry R. Dalton, Alex K.Y. Jen

Research output: Contribution to journalArticlepeer-review

132 Scopus citations


Recent developments of molecular architectural control and solid-state engineering have led to exceptionally large electro-optic (EO) activities in organic and polymeric nonlinear optical (NLO) materials. A new generation of NLO dendrimers has been developed to generate well-defined nano-objects, minimize strong intermolecular electrostatic interactions, and improve poling efficiency and stability. A facile and reliable Diels-Alder "click" reaction was applied for lattice hardening to improve physical properties of cross-linkable EO polymers. The "click" chemistry also provides means to study the relationship between EO activity, chromophore shape, and number density of the chromophore, systematically. The NLO dendrimers or polymers were used as hosts for guest chromophores to increase chromophore concentration and improve poling efficiency. A variety of nanostructured organic and polymeric materials with ultrahigh r33 values (>350 pm/V at the wavelength of 1310 nm, more than 10 times mat of LiNbO3) and excellent temporal alignment stability at 85 °C were achieved by the approaches.

Original languageEnglish (US)
Pages (from-to)8091-8098
Number of pages8
JournalJournal of Physical Chemistry C
Issue number21
StatePublished - May 29 2008
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films


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