An azobenzene-based photoswitchable crystal growth modifier

Gareth L. Nealon, David H. Brown, Franca Jones, Gordon Parkinson, Mark I. Ogden

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

An aspartic acid functionalised azobenzene derivative is found to be a light-switchable crystal growth modifier of calcite. UV irradiation of the molecule reversibly switches it to the cis isomer, which is a significantly less effective crystal growth inhibitor than the trans isomer. Visible light, or heat switches the inhibitor back “on”. Extended irradiation degrades the inhibitor such that it is irreversibly switched “off”. It was shown that the trans isomer is preferentially absorbed on to the crystal surface, which is consistent with its greater efficacy as an inhibitor. © The Royal Society of Chemistry 2017

Original languageEnglish
Pages (from-to)1286-1293
Number of pages8
JournalCrystEngComm
Volume19
Issue number9
DOIs
Publication statusPublished - 7 Mar 2017

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