論文

査読有り
2015年

Interlocked dimerization of C-3-Symmetrical boron difluoride complex: designing non-cooperative supramolecular materials for luminescent thin films

RSC ADVANCES
  • Shigesaburo Ogawa
  • ,
  • Masa-aki Morikawa
  • ,
  • Gergely Juhasz
  • ,
  • Nobuo Kimizuka

5
74
開始ページ
60373
終了ページ
60379
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1039/c5ra11908a
出版者・発行元
ROYAL SOC CHEMISTRY

A lipophilic complex with radially-connected three beta-diketonate boron difluoride (BF(2)dk) units to a central benzene ring was newly developed. The C-3-symmetrical BF(2)dk complex (1) formed a self-complementary interlocked dimer (1)(2) with increasing concentration in CHCl3 as revealed by NMR spectroscopy and quantum chemical calculations. A remarkable luminescence color change from blue to yellow was observed in response to the formation of interlocked dimers. Electrostatic interactions, hydrogen bonding between negative convexes (BF2 moiety) and positive concaves (three protons aligned on each arm) principally contribute to the dimerization, whereas the formation of interlocked dimers was accompanied by conformational changes of constituent molecules which interrupted further association. Consequently, casting of the chloroform solution of interlocked dimers on solid supports gave uniform thin films without uneven crystallization. It provides a new perspective for designing anti-cooperative systems for homogeneous molecular coatings.

リンク情報
DOI
https://doi.org/10.1039/c5ra11908a
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000358230400068&DestApp=WOS_CPL
URL
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84937128976&origin=inward
ID情報
  • DOI : 10.1039/c5ra11908a
  • ISSN : 2046-2069
  • SCOPUS ID : 84937128976
  • Web of Science ID : WOS:000358230400068

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