Molecular salts with diquat-based electron acceptors for nonlinear optics

Benjamin J. Coe, James A. Harris, Bruce S. Brunschwig, Javier Garín, Jesús Orduna

    Research output: Contribution to journalArticlepeer-review


    We have used several techniques, including Stark spectroscopy and MO calculations, to investigate the optical and electronic properties of two new dipolar chromophoric cations containing diquat-based electron acceptor groups. Both the Stark data and the calculated parameters show that the strong electron-accepting properties of a diquat unit lead to static first hyperpolarizabilities β0 which are considerably larger than those of a related stilbazolium chromophore. In addition, one compound has a strongly 2D quadratic NLO response, providing a very rare example of a charged molecule displaying such behavior. Copyright © 2005 American Chemical Society.
    Original languageEnglish
    Pages (from-to)3284-3285
    Number of pages1
    JournalJournal of the American Chemical Society
    Issue number10
    Publication statusPublished - 16 Mar 2005


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