Luminescent sensory polymer coating composed of platinumporphyrin and poly(trimethylsilylpropyne) for real-time oxygen visualization in operating PEFCs

Tsuyoshi Hyakutake, Yuta Ishigami, Junji Kato, Junji Inukai, Kenji Miyatake, Hiroyuki Nishide, Masahiro Watanabe

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

A luminescent PtTFP/PMSP polymer coating was prepared for the oxygen partial pressure visualization inside a PEFC. PMSP formed a smooth and tough coating as a highly oxygen-permeable matrix with a thickness of ca. 2 μm in which the PtTFP was homogeneously dispersed. The coating displayed a strong red luminescence with significantly decreasing intensity upon increasing oxygen partial pressure. The sensitivity for the oxygen partial pressure was high and the analytical curve of the sensor polymer coating was undisturbed by external factors. The PtTFP/PMSP sensor was coated on the surface of a cathode gas diffusion layer on the air flow channel inside PEFC. The oxygen-pressure distribution in the air flow channel was successfully visualized while operating the PEFC. A luminescent sensory polymer coating was prepared for the visualization of the oxygen partial pressure in the interior of the cathode separator channels of an operating fuel cell. The coating was stable under irradiation in water, acids, and methanol at high temperatures. The oxygen distribution on the surface of the channel was successfully visualized in real-time through analysis of luminescence and quenching.

Original languageEnglish
Pages (from-to)42-47
Number of pages6
JournalMacromolecular Chemistry and Physics
Volume212
Issue number1
DOIs
Publication statusPublished - 2011 Jan 4

Fingerprint

Polymers
Visualization
Oxygen
coatings
Coatings
polymers
Partial pressure
oxygen
partial pressure
air flow
Channel flow
Luminescence
Cathodes
cathodes
luminescence
gaseous diffusion
Diffusion in gases
sensors
Sensors
separators

Keywords

  • imaging
  • luminescence
  • poly(trimethylsilylpropyne)
  • polymer electrolyte fuel cells
  • porphyrins

ASJC Scopus subject areas

  • Materials Chemistry
  • Polymers and Plastics
  • Organic Chemistry
  • Physical and Theoretical Chemistry
  • Condensed Matter Physics

Cite this

Luminescent sensory polymer coating composed of platinumporphyrin and poly(trimethylsilylpropyne) for real-time oxygen visualization in operating PEFCs. / Hyakutake, Tsuyoshi; Ishigami, Yuta; Kato, Junji; Inukai, Junji; Miyatake, Kenji; Nishide, Hiroyuki; Watanabe, Masahiro.

In: Macromolecular Chemistry and Physics, Vol. 212, No. 1, 04.01.2011, p. 42-47.

Research output: Contribution to journalArticle

Hyakutake, Tsuyoshi ; Ishigami, Yuta ; Kato, Junji ; Inukai, Junji ; Miyatake, Kenji ; Nishide, Hiroyuki ; Watanabe, Masahiro. / Luminescent sensory polymer coating composed of platinumporphyrin and poly(trimethylsilylpropyne) for real-time oxygen visualization in operating PEFCs. In: Macromolecular Chemistry and Physics. 2011 ; Vol. 212, No. 1. pp. 42-47.
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