Spontaneous colorimetric sensing of the positional isomers of dihydroxynaphthalene in a 1D organogel matrix

Pritam Mukhopadhyay, Yuya Iwashita, Michihiro Shirakawa, Shin Ichiro Kawano, Norifumi Fujita, Seiji Shinkai

Research output: Contribution to journalArticle

260 Citations (Scopus)

Abstract

(Figure Presented) Like a color palette: A naphthalenediimide-based organogel colorimetric sensor allows recognition of the positional isomers of dihydroxynaphthalene in the gel phase with the naked eye. Intercalation of the dihydroxynaphthalene into the gel matrix produces a donor-acceptor interaction, which gives the gel a distinct color that depends on the strength of noncovalent (H-bonding, π-stacking, van der Waals) interactions.

Original languageEnglish
Pages (from-to)1592-1595
Number of pages4
JournalAngewandte Chemie - International Edition
Volume45
Issue number10
DOIs
Publication statusPublished - Feb 27 2006

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)

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