Ultrafast energy transfer of silver ultrafine particles in aqueous solutions as investigated by the ultrafast lensing effect technique

Kazuki Ito, Isao Tsuyumoto, Akira Harata, Tsuguo Sawada

    研究成果: Contribution to journalArticle査読

    14 被引用数 (Scopus)

    抄録

    Ultrafast relaxation dynamics of silver ultrafine particles in aqueous solutions was measured by an ultrafast lensing effect (ULE) method using two types of samples with SDS (sodium dodecyl sulfate) and without SDS. The fit to the ULE time evolution required three exponential components: one for the increase and two others for the decrease. The time constants were estimated as 1, 3, 7 ps for the sample without SDS and as 1, 2, and 23 ps for the sample with SDS. The ultrafast relaxation dynamics was discussed in connection with the behavior of photoexcited electrons.

    本文言語英語
    ページ(範囲)1-6
    ページ数6
    ジャーナルChemical Physics Letters
    318
    1-3
    DOI
    出版ステータス出版済み - 2 18 2000

    All Science Journal Classification (ASJC) codes

    • 物理学および天文学(全般)
    • 物理化学および理論化学

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