Biradicaloids Based on Ladder-Type Quinoidal Phyenylenevinylenes

DOI

Bibliographic Information

Other Title
  • ラダー型フェニレンビニレン骨格を有するキノイド化合物の合成と物性

Abstract

Ladder-type quinoidal molecules of carbon-bridged phenylenevinylenes were designed and synthesized. The novel biradical nature was confirmed by ESR and SQUID measurements and further elucidated by theoretical calculations. Compared to the corresponding aromatic precursors, the band gaps of the compounds remarkably decreased, which are in agreement with the biradical feature. Significantly high stability was observed in solid and solution states, which can be ascribed to the anti-oxidation ability due to deep HOMO levels confirmed by DPV measurements. Unexpectedly, near-infrared (NIR) emission was observed at room temperature for both compounds. Both compounds afford stable dianion species by electrochemical and chemical reduction, accompanied with emission switching behavior.

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Details 詳細情報について

  • CRID
    1390001205554943488
  • NII Article ID
    130004645660
  • DOI
    10.11494/kisoyuki.2011.0.163.0
  • Text Lang
    ja
  • Data Source
    • JaLC
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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