Tunable solid-state photoluminescence based on proton-triggered structural transformation of 4,4′-bipyridinium derivative

Xue Jun Zhou, Cheng Chen, Cai Xia Ren, Jian Ke Sun, Jie Zhang*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

An organic molecular system with proton-tunable photoluminescence properties based on a mono-substituted bipyridinium derivative 1-(3-carboxybenzyl)-4,4′-bipyridinium chloride, which possesses both pyridine and carboxylic acid groups as proton-responsive units, has been developed. Through controlling the pH value of the self-assembled systems, three compounds with different degrees of protonation have been obtained. These compounds display distinctly different luminescence behaviors and undergo solid-state structural conversion in response to changes in pH values. In particular, luminescence switching triggered by acid-base vapor can be realized.

Original languageEnglish
Pages (from-to)744-750
Number of pages7
JournalJournal of Materials Chemistry C
Volume1
Issue number4
DOIs
Publication statusPublished - 28 Jan 2013
Externally publishedYes

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