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

69 Scopus citations

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. This journal is

Original languageEnglish (US)
Pages (from-to)789-797
Number of pages9
JournalChemical Science
Volume6
Issue number1
DOIs
StatePublished - Jan 1 2015
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)

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