Determination of a merocyanine J-aggregate structure and the significant contribution of the electric dipole interaction to the exciton band wavelength

Noritaka Kato, Kazuya Yuasa, Takeshi Araki, Ichiro Hirosawa, Masugu Sato, Naoshi Ikeda, Ken Ichi Limura, Yoshiaki Uesu

    Research output: Contribution to journalArticle

    29 Citations (Scopus)

    Abstract

    The molecular alignment of a merocyanine (MC) J-aggregate monolayer at the air-water interface was determined by a grazing incidence x-ray diffraction method. The obtained molecular arrangement apparently shows that the conventional formula, which accounts only for the transition dipole interaction, is not sufficient to figure out the exciton band wavelength, suggesting the importance of the electric dipole (ED) interaction. We derived a simple formula for the ED interaction energy under an extended dipole approximation and clarified the ED contribution in the MC J aggregate.

    Original languageEnglish
    Article number136404
    JournalPhysical Review Letters
    Volume94
    Issue number13
    DOIs
    Publication statusPublished - 2005 Apr 8

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    electric dipoles
    excitons
    wavelengths
    dipoles
    interactions
    grazing incidence
    x ray diffraction
    alignment
    air
    approximation
    water
    energy

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

    Cite this

    Determination of a merocyanine J-aggregate structure and the significant contribution of the electric dipole interaction to the exciton band wavelength. / Kato, Noritaka; Yuasa, Kazuya; Araki, Takeshi; Hirosawa, Ichiro; Sato, Masugu; Ikeda, Naoshi; Limura, Ken Ichi; Uesu, Yoshiaki.

    In: Physical Review Letters, Vol. 94, No. 13, 136404, 08.04.2005.

    Research output: Contribution to journalArticle

    Kato, Noritaka ; Yuasa, Kazuya ; Araki, Takeshi ; Hirosawa, Ichiro ; Sato, Masugu ; Ikeda, Naoshi ; Limura, Ken Ichi ; Uesu, Yoshiaki. / Determination of a merocyanine J-aggregate structure and the significant contribution of the electric dipole interaction to the exciton band wavelength. In: Physical Review Letters. 2005 ; Vol. 94, No. 13.
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    AU - Araki, Takeshi

    AU - Hirosawa, Ichiro

    AU - Sato, Masugu

    AU - Ikeda, Naoshi

    AU - Limura, Ken Ichi

    AU - Uesu, Yoshiaki

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