Heterochiral vs. homochiral linkage of emissive iridium(III) complexes with D-penicillaminate: Drastic change in emission induced by silver(I) linkage

Keisuke Saito, Yuta Sarukawa, Kiyoshi Tsuge, Takumi Konno*

*この論文の責任著者

研究成果: ジャーナルへの寄稿学術論文査読

15 被引用数 (Scopus)

抄録

Reactions of [{Ir(ppy or ppy-CF3)2} 2(μ-Cl)2] {Hppy = 2-phenylpyridine, Hppy-CF3 = 2-[3,5-bis(trifluoromethyl)phenyl]-pyridine} with d-penicillamine (D-H 2pen) afforded emissive IrIII mononuclear complexes [Ir(ppy or ppy-CF3)2(D-Hpen-N,S)] as a 1:1 mixture of the ΔDD isomers. These complexes were converted into IrIIIAgIIrIII trinuclear structures in [Ag{Ir(D-pen-N,S)(ppy or ppy-CF3)2}{Ir(D-Hpen-N,S)(ppy or ppy-CF3)2}] by treatment with AgNO3, which led to a drastic blueshift of the emission bands. Whereas the (ppy)Ir IIIAgIIrIII complex produced the heterochiral ΔDΔD isomer, the ppy-CF3 complex gave the homochiral ΔDΔD and ΔDΔ D isomers that could completely be separated by crystallization. It was found that the quantum efficiency of the emission band for the ΔDΔD isomer is much lower than that for the ΔDΔD isomer.

本文言語英語
ページ(範囲)3909-3913
ページ数5
ジャーナルEuropean Journal of Inorganic Chemistry
25
DOI
出版ステータス出版済み - 2010/09

ASJC Scopus 主題領域

  • 無機化学

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