Nafion based hydrogen sensors: Pt/Nafion electrodes prepared by Takenata-Torikai method and modified with polypyrrole

Yu Chuan Liu, Bing Joe Hwang, Yue Lang Chen

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

An amperometric Pt/Nafion hydrogen sensor was prepared by the T-T method and further modified with polypyrrole (PPy) coated by chemical vapor deposition (CVD) to improve its anti-aging ability. It was found that the lifetime was prolonged from 10 to 16 days. The accompanying loss in sensitivity could be avoided using shorter deposition time and higher oxidant concentration in PPy deposition.

Original languageEnglish
Pages (from-to)556-558
Number of pages3
JournalElectroanalysis
Volume14
Issue number7-8
DOIs
Publication statusPublished - 2002
Externally publishedYes

Keywords

  • Polypyrrole
  • Pt/Nafion electrodes
  • Takenata-Torikai method

ASJC Scopus subject areas

  • Analytical Chemistry

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