A photoluminescent Au(i)/Ag(i)/PNN coordination complex for relatively rapid and reversible alcohol sensing

Yanhui Tao, Yuwei Wang, Shengnan Hu, David James Young, Chengrong Lu, Hong Xi Li, Zhi Gang Ren

Research output: Contribution to journalArticlepeer-review

Abstract

Trinuclear complex [Au2Ag(dppmaphen)2(CN)2]PF6 photoluminesces on exposure to low molecular weight alcohols. This emission is likely due to C-H⋯π interactions between the analyte and -PPh2 group, that inhibits non-radiative relaxation of the photoexcited state. Photoluminescene was quenched by removing the analyte under a stream of N2 or replacing it with H2O. This on/off switching was clearly visible, relatively rapid and recyclable.

Original languageEnglish
Pages (from-to)6773-6777
Number of pages5
JournalDalton Transactions
Volume50
Issue number20
DOIs
Publication statusPublished - 28 May 2021

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