Proton-anion Ion-pair Recognition by a Hexaazatriphenylene-Hexaurea Receptor

  • Tianguang Zhan*
  • , Mengdi Lin
  • , Lin Wu
  • , Xiang Zhang
  • , Liang Zhang
  • , Xin Zhao
  • , Kangda Zhang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Recognition behavior of a hexaazatriphenylene (HAT) derivative toward different acids in THF solution was investigated through 1H NMR, UV–vis and fluorescence spectroscopic experiments, as well as SEM image and semi-empirical calculations, which revealed that this propeller-like HAT receptor could co-assemble into a layered complex by sandwiching protons and halogen (chloride or bromide) anions synergistically between the receptor molecules. What's more, reversible and remarkable color changes visible to the naked eye could be observed, when the halogen acid and base were introduced alternatively.

Original languageEnglish
Pages (from-to)392-396
Number of pages5
JournalChinese Journal of Chemistry
Volume35
Issue number4
DOIs
StatePublished - 1 Apr 2017
Externally publishedYes

Keywords

  • halogen acid sensor
  • hexaazatriphenylene receptor
  • ion-pair recognition

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