Fluorescence detecting of carbazole-containing poly(phenyleneethynylene)'s thin film to TNT volatile

Yang Liu, Jun Ge Zhi*, Jian Bing Shi, Bin Tong, Yu Ping Dong

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Poly(phenylene ethynylene) containing carbazole unit in the main-chain (PPECz) was synthesized by Pd-catalyzed Sonogashira coupling reaction between 3,6-dibromo-9-octylcarbazole and 2,5-dimethoxy-1,4-diethynylbenzene. PPECz in the solution and thin film exhibits obvious luminescence properties, which can be used to detect TNT sensitively. The fluorescence intensity of PPECz thin-film can be quenched 56% by the volatile of 40 μg TNT solid at 60 s at normal atmospheric temperature and pressure. This strategy can provide a platform for developing highly sensitive and efficient chemo sensors for warfare explosives.

Original languageEnglish
Pages (from-to)102-108
Number of pages7
JournalChinese Journal of Luminescence
Volume33
Issue number1
DOIs
Publication statusPublished - Jan 2012

Keywords

  • Carbazole
  • Fluorescence quenching
  • Poly(phenylene ethynylene)
  • TNT volatile

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