Oxygen sensing using palladium porphyrin with long alkyl chain self-assembled film

Yutaka Amao, Keisuke Asai, Kiyoko Miyakawa, Ichiro Okura

Research output: Contribution to journalArticlepeer-review


An optical oxygen sensor based on the photoluminescent quenching of palladium porphyrin with long alkyl chain, palladium 5-(4-undecancarboxylpyridyl)-10,15,20-Tritolylporphyrin (PdPC10COOH), a self-assembled film on an alumina plate has been developed. The luminescence intensity of the PdPC10COOH film decreased with increasing oxygen pressure. The ratio I0/I100 as a sensitivity measure of the sensing film is very large, indicating that this film is a highly sensitive device for oxygen pressure. The response times of the sensor are 26 s on going from argon to oxygen and 131 s on going from oxygen to argon. Copyright (C) 2000 John Wiley and Sons, Ltd.

Original languageEnglish
Pages (from-to)19-22
Number of pages4
JournalJournal of Porphyrins and Phthalocyanines
Issue number1
Publication statusPublished - 2000 Jan 1
Externally publishedYes


  • Optical oxygen sensing
  • Palladium porphyrin
  • Phosphorescence
  • Self-Assembled film
  • Stern-Volmer relationship

ASJC Scopus subject areas

  • Chemistry(all)


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