Enhanced electrogenerated chemiluminescence of phenylethynylpyrene derivatives: Use of weakly electron-donating group as a substituent

Yeon Ok Lee, Tuhin Pradhan, Sangwook Yoo, Tae Hyun Kim, Joohoon Kim, Jong Seung Kim

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

A weakly donating group (n-propyl) has been used as a substituent at the para-position of the phenyl group for a series of phenylethynylpyrene derivatives where the number of phenylethynyl peripheral arms appended to the pyrene core is varied. This system markedly improved the concurrent stability of both cation and anion radicals and consequently greatly improved electrogenerated chemiluminescence (ECL). Density functional theory (DFT)-based theoretical calculations supported the associated photophysical and electrochemical properties of the series compounds.

Original languageEnglish
Pages (from-to)11007-11013
Number of pages7
JournalJournal of Organic Chemistry
Volume77
Issue number24
DOIs
Publication statusPublished - 2012 Dec 21

ASJC Scopus subject areas

  • Organic Chemistry

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