Electro-optic property of chromophore-terminated trifunctional dendrimer in a guest-host system

Min Ju Cho, Sang Kyu Lee, Jung Il Jin, Dong Hoon Choi, Larry R. Dalton

    Research output: Contribution to journalArticlepeer-review

    28 Citations (Scopus)

    Abstract

    We prepared the new heterocyclic nonlinear optical (NLO) chromophores that show fairly high microscopic nonlinearity through intramolecular charge transfer. Phenothiazine unit played an important role to contribute high electron donability and connect the resonance pathway via conjugative effect in the cyclized ring beside the aromatic ring. Three NLO chromophores were tethered to the aromatic core to synthesize the 1st-generation trifunctional dendrimer. We compared the electro-optic (EO) properties of two samples with single chromophore or trifunctional dendritic chromophore. Real time pole and probe method was employed to investigate the change of the EO signal during poling. EO properties and their relaxation behaviors of the guest-host systems containing synthesized chromophores were thoroughly investigated.

    Original languageEnglish
    Pages (from-to)2303-2309
    Number of pages7
    JournalThin Solid Films
    Volume515
    Issue number4
    DOIs
    Publication statusPublished - 2006 Dec 5

    Bibliographical note

    Funding Information:
    The authors acknowledge the financial support from International Cooperative Research Program in Korea Science and Engineering Foundation (Contract#: F01-2004-000-10202-0). D. H. Choi particularly acknowledges the partial support from the US National Science Foundation (DMR No. 0092380 (2003)).

    Copyright:
    Copyright 2008 Elsevier B.V., All rights reserved.

    Keywords

    • Dendrimer
    • Electro-optic
    • Nonlinear optics
    • Phenothiazine
    • Relaxation behavior

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Surfaces and Interfaces
    • Surfaces, Coatings and Films
    • Metals and Alloys
    • Materials Chemistry

    Fingerprint

    Dive into the research topics of 'Electro-optic property of chromophore-terminated trifunctional dendrimer in a guest-host system'. Together they form a unique fingerprint.

    Cite this