Effects of Co-Surfactants on the formation of gold nanorods

Koji Nishioka, Yasuro Niidome, Sunao Yamada

    研究成果: Contribution to conferencePaper査読

    抄録

    The effects of ammonium salts and anionic amphiphiles on the formation and morphology of gold nanorods (NRs) in hexadecyltrimethyl- ammonium bromide solutions were investigated. The addition of a small amount of tetrahexyl- ammonium bromide (THAB) increased the aspect ratio of NRs, while an excess of THAB or tetradodecylammonium bromide (TDAB) decreased the aspect ratio, and concomitantly increased the formation of spherical gold nanoparticles. In contrast, the addition of anionic amphiphiles forming hydrophobic ion-complexes with CTAB did not decrease the aspect ratio, but suppressed the formation of NRs. These results could be attributed to the change in the adsorbed layer of CTAB on the gold NRs.

    本文言語英語
    ページ数1
    出版ステータス出版済み - 10 18 2006
    イベント55th SPSJ Annual Meeting - Nagoya, 日本
    継続期間: 5 24 20065 26 2006

    その他

    その他55th SPSJ Annual Meeting
    国/地域日本
    CityNagoya
    Period5/24/065/26/06

    All Science Journal Classification (ASJC) codes

    • 工学(全般)

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