Network of tris(porphyrinato)cerium(III) arranged on the herringbone structure of an Au(111) surface

Hiroyuki Tanaka, Tomohiro Ikeda, Kousei Yamashita, Masayuki Takeuchi, Seiji Shinkai, Tomoji Kawai

研究成果: ジャーナルへの寄稿学術誌査読

8 被引用数 (Scopus)

抄録

A network of bithiophene-modified tris(porphyrinato)cerium(III) triple-decker (TD) complexes was formed by pulse injection depositing on the Au(IIl) surface. The structure was observed with ultrahigh vacuum scanning tunneling microscopy (UHV-STM). High resolution UHV-STM images revealed the details of network structure of TD and the internal structure of both bithiophene and porphyrin moieties, indicating that the TD complexes undergo face-on adsorption. The alkyl chains on these bithiophenes not only make the TD molecules soluble in organic solvents, but also play a key role in preventing them from forming bonds between the thiophenes and the Au substrate, which enables the porphyrin molecular surface to be perpendicular to the substrate. These results suggest that the thiophene moiety can be used to control the adsorption and assembly of molecules on the herringbone structure of the Au(111) surface.

本文言語英語
ページ(範囲)210-214
ページ数5
ジャーナルLangmuir
26
1
DOI
出版ステータス出版済み - 1月 5 2010

!!!All Science Journal Classification (ASJC) codes

  • 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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