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A new pH sensitive fluorescent and white light emissive material through controlled intermolecular charge transfer

  • Y. I. Park
  • , O. Postupna
  • , A. Zhugayevych
  • , H. Shin
  • , Y. S. Park
  • , B. Kim
  • , H. J. Yen
  • , P. Cheruku
  • , J. S. Martinez
  • , J. W. Park
  • , S. Tretiak
  • , H. L. Wang

Research output: Contribution to journalArticlepeer-review

91 Citations (Scopus)

Abstract

A new, pH dependent and water-soluble, conjugated oligomer (amino, trimethylammonium oligophenylene vinylene, ATAOPV) was synthesized with a quaternary ammonium salt and an aromatic amine at the two ends of a π-conjugated oligomer, thus creating a strong dipole across the molecule. A unique white light LED is successfully fabricated from a stimuli responsive organic molecule whose emission properties are dominated by the pH value of the solution through controlled intermolecular charge transfer.

Original languageEnglish
Pages (from-to)789-797
Number of pages9
JournalChemical Science
Volume6
Issue number1
DOIs
Publication statusPublished - 1 Jan 2015

Bibliographical note

Publisher Copyright:
© The Royal Society of Chemistry.

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