U-bend fibre optic pH sensors using layer-by-layer electrostatic self-assembly technique

  • F. Surre
  • , B. Lyons
  • , T. Sun
  • , V. Grattan
  • , S. O'Keeffe
  • , E. Lewis
  • , C. Elosua
  • , M. Hernaez
  • , C. Barian

Research output: Contribution to journalArticlepeer-review

Abstract

A layer-by-layer assembly technique is used to coat layers of nano-thin-films of pH indicator on a U-bend optical fibre to create an effective sensor, using neutral red as the active element. The experimental results characterizing such a pH sensor shows a wide pH sensing range (from pH5 to pH10) fast response.

Original languageEnglish
Article number012046
JournalJournal of Physics: Conference Series
Volume178
DOIs
Publication statusPublished - 2009

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