Enhancement of electro-optic activity by introduction of a benzyloxy group to conventional donor-π-acceptor molecules

Xianqing Piao, Xianming Zhang, Shinichiro Inoue, Shiyoshi Yokoyama, Isao Aoki, Hideki Miki, Akira Otomo, Hidehisa Tazawa

    Research output: Contribution to journalArticle

    38 Citations (Scopus)

    Abstract

    In this work, we investigated the enhancement of the electro-optic response by introducing benzyloxy group as an additional donor part on conventional donor-π-acceptor molecules. This new type donor exhibited a strong solvatochromic effect, indicating an extra donation to the π-conjugated bridge, which shifted the charge-transfer absorption of the chromophores to the lower energy region. Furthermore, the simple modification on the donor moiety resulted in about 2-fold improvement in the first hyperpolarizability and macroscopic electro-optic coefficient (r33) over the benchmark 2-dicyanomethylen-3-cyano-4-{2-[E-(4-N,N-di(2-acetoxyethyl)-amino)-phenylene-(3, 4-dibutyl)thien-5]-E-vinyl}-5,5-dimethyl-2,5-dihydrofuran (FTC) counterparts. An r33 above 100 pm/V is ultimately achieved in conventional guest-host system.

    Original languageEnglish
    Pages (from-to)1093-1097
    Number of pages5
    JournalOrganic Electronics
    Volume12
    Issue number6
    DOIs
    Publication statusPublished - 2011 Jun

    Keywords

    • Chromophore
    • Donor
    • Electro-optic
    • FTC
    • Nonlinear optics
    • Poling

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Biomaterials
    • Chemistry(all)
    • Condensed Matter Physics
    • Materials Chemistry
    • Electrical and Electronic Engineering

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  • Cite this

    Piao, X., Zhang, X., Inoue, S., Yokoyama, S., Aoki, I., Miki, H., Otomo, A., & Tazawa, H. (2011). Enhancement of electro-optic activity by introduction of a benzyloxy group to conventional donor-π-acceptor molecules. Organic Electronics, 12(6), 1093-1097. https://doi.org/10.1016/j.orgel.2011.03.010