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PtOEP/PS composite particles based on fluorescent sensor for dissolved oxygen detection

  • School of Chemistry and Chemical Engineering, Harbin Institute of Technology
  • Southern University of Science and Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Mono-dispersed platinum octaethylporphyrin/polystyrene (PtOEP/PS) fluorescent spheres were synthesized by a soap-free emulsion polymerization for the detection of dissolved oxygen (DO), in which hydrophobic PtOEP as indicator is embedded in PS spheres during the synthesis procedure. The performance of the PtOEP/PS spheres-based optical oxygen sensor was evaluated by recording their fluorescence intensities in different oxygen (O2) environments. Results suggest that PtOEP/PS spheres exhibit good oxygen sensing properties with fast response time and reliable photo-stability after several months of storage.

Original languageEnglish
Pages (from-to)112-115
Number of pages4
JournalMaterials Letters
Volume172
DOIs
StatePublished - 1 Jun 2016

Keywords

  • Dissolved oxygen
  • Photo-stability
  • PtOEP/PS fluorescent spheres
  • Stern-Volmer equation

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