Formation of multinuclear metal-terpyridyl complexes covalently bound to carbon substrates

Wataru Kubo*, Masashi Nagao, Yoichi Otsuka, Tsutomu Homma, Hirokatsu Miyata

*この研究の対応する著者

研究成果: Article査読

9 被引用数 (Scopus)

抄録

Multinuclear complexes consisting of metal ions and a bis(terpyridyl) ligand were covalently bound to carbon substrates. The bonding of the complexes is initiated by the bonding of phenylterpyridine (PT) on the substrates using its in-situ-generated diazonium derivative, followed by stepwise coordination of the metal ions and the ligand on it. The bonding of the PT and the formation of the multinuclear complexes were confirmed by XPS, AFM, and CV measurements. The heterogeneous rate constant (k) at the Co complex-substrate interface was evaluated by chronoamperometry (CA). The estimated high k=(2.9-3.6) × 103 s-1) would be attributed to the C-C bond at the interface without interrupting the conjugation. These multinuclear complexes bound to the carbon substrates can facilitate electron transfer from redox species such as enzymes.

本文言語English
ページ(範囲)13340-13343
ページ数4
ジャーナルLangmuir
25
23
DOI
出版ステータスPublished - 2009 12 1
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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