Creation of circularly polarized luminescence from an achiral polyfluorene derivative through complexation with helix-forming polysaccharides: Importance of the meta-linkage chain for helix formation

Tomohiro Shiraki, Youichi Tsuchiya, Takao Noguchi, Shun Ichi Tamaru, Nozomu Suzuki, Makoto Taguchi, Michiya Fujiki, Seiji Shinkai

研究成果: Contribution to journalArticle査読

57 被引用数 (Scopus)

抄録

A circularly polarized luminescence (CPL) material has been created by polymer-polymer complexation between a helix-forming polysaccharide, schizophyllan (SPG), and a meta-phenylene-linked polyfluorene derivative (mPFS). Computational modeling revealed that mPFS can adopt a helical structure although a conventional polyfluorene derivative with a para-phenylene linkage tends to enjoy a rigid rodlike conformation. Our detailed experimental examination showed that mPFS forms a chiral nanowire complex through cohelix formation with SPG. We have found, as expected, that this cohelical complex emits highly efficient CPL even in an aqueous solution. The appearance of the high CPL property is due to 1) a high quantum yield of the fluorene unit and 2) immobilization of the helically twisted conformation of mPFS in an isolated manner through cohelix formation with SPG. One can propose, therefore, that the SPG/mPFS complex acts as a new high-performance CPL material with a solvent-dispersible nanowire structure.

本文言語英語
ページ(範囲)218-222
ページ数5
ジャーナルChemistry - An Asian Journal
9
1
DOI
出版ステータス出版済み - 1 1 2014

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Organic Chemistry

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