Self-assembly of gold nanorods induced by intermolecular interactions of surface-anchored lipids

Hiroshi Nakashima, Kazuaki Furukawa, Yoshiaki Kashimura, Keiichi Torimitsu

研究成果: Article査読

54 被引用数 (Scopus)

抄録

Surface-modified gold nanorods (Au NRs) with 1,2-dipalmitoyl-sn-glycero-3- phosphothioethanol (DPPTE) were synthesized, and their self-assembled structures on a silicon substrate were observed using a scanning electron microscope (SEM). The Au NR-DPPTE complex formed characteristic one- and two-dimensional self-assemblies induced by intermolecular interactions of surface-anchored lipids via simple drying process. The interparticle distance between neighboring NRs was uniform at around 5.0 nm, which was consistent with the thickness of the lipid bilayer. Furthermore, we observed the anisotropic configurations of the NR complex, preferentially oriented in a lateral or perpendicular fashion, in a two-dimensional assembled structure dependent on the interfacial hydrophilicity or hydrophobicity of the silicon surface.

本文言語English
ページ(範囲)5654-5658
ページ数5
ジャーナルLangmuir
24
11
DOI
出版ステータスPublished - 2008 6月 3
外部発表はい

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 表面および界面
  • 分光学
  • 電気化学

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