Polypyridylpropyne-Pd and -Pt porphyrin coating for visualization of oxygen pressure

Tsuyoshi Hyakutake, Hiroyuki Taguchi, Hirotaka Sakaue, Hiroyuki Nishide

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Poly[1-trimethylsilyl-1-propyne-co-1-(3-pyridyl)propyne] 1 was prepared both as a polymer-ligand of a palladium porphyrin (PdOEP) and of a platinum porphyrin (PtTFP) and as a highly gaspermeable polymer matrix of the porphyrin. The porphyrin acted as a phosphorescence probe which could be quenched with oxygen and sense the oxygen partial pressure. 1 gave a smooth and tough coating with a thickness of ca. 2 μm which homogeneously involved the porphyrin. The porphyrin-1 coatings displayed strong red-colored phosphorescences (the emission maximum at 670 and 650 nm for PdOEP and PtTFP, respectively), and their intensity significantly decreased with an increase in the oxygen partial pressure on the coating. The high oxygen-quenching efficiency or the high oxygen pressure sensitivity of the porphyrin's phosphorescence was observed even at cryogenic temperature. Aggregation of the porphyrin was suppressed in the coating by ligation of the porphyrin with the nitrogenous residue of 1 to significantly reduce spatial noise in the phosphorescence measurement or the oxygen-pressure sensing. PtTFP-1 was coated on the surface of a delta wing model. The oxygen-pressure distribution on the coated model was successfully visualized in a cryogenic wind tunnel test.

Original languageEnglish
Pages (from-to)1262-1269
Number of pages8
JournalPolymers for Advanced Technologies
Volume19
Issue number9
DOIs
Publication statusPublished - 2008 Sep

Fingerprint

Porphyrins
Visualization
Oxygen
Coatings
Phosphorescence
Partial pressure
Cryogenics
Palladium
Platinum
Polymer matrix
Pressure distribution
Wind tunnels
Quenching
Polymers
Agglomeration
Ligands

Keywords

  • Luminescence
  • Oxygen sensor
  • Poly(trimethylsilylpropyne)
  • Polymer-metal complex
  • Porphyrin

ASJC Scopus subject areas

  • Polymers and Plastics

Cite this

Polypyridylpropyne-Pd and -Pt porphyrin coating for visualization of oxygen pressure. / Hyakutake, Tsuyoshi; Taguchi, Hiroyuki; Sakaue, Hirotaka; Nishide, Hiroyuki.

In: Polymers for Advanced Technologies, Vol. 19, No. 9, 09.2008, p. 1262-1269.

Research output: Contribution to journalArticle

Hyakutake, Tsuyoshi ; Taguchi, Hiroyuki ; Sakaue, Hirotaka ; Nishide, Hiroyuki. / Polypyridylpropyne-Pd and -Pt porphyrin coating for visualization of oxygen pressure. In: Polymers for Advanced Technologies. 2008 ; Vol. 19, No. 9. pp. 1262-1269.
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