Development of pressure sensitive molecular film composed of platinum porphyrin complex

yu Matsuda, Hideo Mori, Hiroki Yamaguchi, Yoshiki Sakazaki, Toru Uchida, Tomohide Niimi

Research output: Contribution to journalArticle

Abstract

The pressure-sensitive paint (PSP) has potential as a diagnostic tool for pressure measurement in the high Knudsen number regime because it works as a so-called "molecular sensor". However, there are few reports concerning application of the PSP to micro devices, because the conventional PSP is too thick owing to the use of polymer binder. In our previous work, we have adopted Langmuir-Blodgett (LB) technique to fabricate pressure sensitive molecular films (PSMFs) using Pd (II) Mesoporphyrin IX (PdMP). The PSMF based on PdMP has pressure sensitivity at low pressure range (below 130 Pa) only. In this study, we have constructed PSMF composed of Pt (II) Mesoporphyrin IX (PtMP) to apply pressure measurement near atmospheric pressure condition. The pressure sensitivity and temperature dependency of PSMF based on PtMP has tested, and it is clarified that the PSMF of PtMP has equivalent pressure sensitivity of polymer PSP and the temperature dependency of PSMF is dominated by non-radiative deactivation process of excited luminophore molecule. The pressure distribution on the solid surface interacting with supersonic free-jet can be measured with PSMF composed of PtMP.

Original languageEnglish
Pages (from-to)385-391
Number of pages7
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume74
Issue number2
Publication statusPublished - 2008 Feb 1
Externally publishedYes

Fingerprint

Porphyrins
porphyrins
Platinum
platinum
pressure sensitive paints
Paint
pressure measurement
Pressure measurement
Knudsen flow
free jets
polymers
pressure distribution
solid surfaces
deactivation
atmospheric pressure
low pressure
Polymers
Pressure distribution
Atmospheric pressure
Binders

Keywords

  • Flow measurement
  • High Knudsen number flow
  • LB film
  • Molecular flow
  • PSP

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

Development of pressure sensitive molecular film composed of platinum porphyrin complex. / Matsuda, yu; Mori, Hideo; Yamaguchi, Hiroki; Sakazaki, Yoshiki; Uchida, Toru; Niimi, Tomohide.

In: Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, Vol. 74, No. 2, 01.02.2008, p. 385-391.

Research output: Contribution to journalArticle

Matsuda, yu ; Mori, Hideo ; Yamaguchi, Hiroki ; Sakazaki, Yoshiki ; Uchida, Toru ; Niimi, Tomohide. / Development of pressure sensitive molecular film composed of platinum porphyrin complex. In: Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 2008 ; Vol. 74, No. 2. pp. 385-391.
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