Effects of solvents for luminophore on dynamic and static characteristics of sprayable polymer/ceramic pressure-sensitive paint

Yasuhiro Egami, Shota Konishi, Yudai Sato, yu Matsuda

Research output: Contribution to journalArticle

Abstract

Polymer/ceramic pressure sensitive paint (PC-PSP) is an optical fast-responding pressure sensor. PC-PSP consists of a polymer and particles as the material for a porous binder layer, and a pressure-sensitive luminophore. The solution of the polymer and particles, and then the solution of the luminophore are separately applied to a model surface. The response time of PSP is mainly determined by the thickness and oxygen diffusivity of the binder layer. However, we found that PC-PSP showed the significantly different response time depending on the solvents for the luminophore despite the same total thickness of the binder layer. Therefore, we investigated the effect of solvents in dissolving luminophore on the PC-PSP characteristics including response time, pressure sensitivity, and luminescence lifetime. PC-PSP's prepared with solvents for luminophore that poorly dissolve the polymer in the binder layer achieved a faster response time of those prepared with solvents that can dissolve the polymer. Furthermore, it was also found that the solvents caused the change in the response time, luminescence intensity and luminescence lifetime of PC-PSP. We have concluded that the different solubility of the solvents may provide the different state of porous structure and the local distribution of luminophore in the binder layer, and it causes the variation of the dynamic and static characteristics of PC-PSP.

LanguageEnglish
Pages188-194
Number of pages7
JournalSensors and Actuators, A: Physical
Volume286
DOIs
Publication statusPublished - 2019 Feb 1

Fingerprint

pressure sensitive paints
static characteristics
Paint
dynamic characteristics
Polymers
ceramics
polymers
Binders
Luminescence
luminescence
life (durability)
Pressure sensors
pressure sensors
diffusivity
dissolving
solubility
Solubility

Keywords

  • Diffusivity
  • Luminescence lifetime
  • Particles
  • Pressure-sensitive paint (PSP)
  • Response time
  • Solvent

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering

Cite this

Effects of solvents for luminophore on dynamic and static characteristics of sprayable polymer/ceramic pressure-sensitive paint. / Egami, Yasuhiro; Konishi, Shota; Sato, Yudai; Matsuda, yu.

In: Sensors and Actuators, A: Physical, Vol. 286, 01.02.2019, p. 188-194.

Research output: Contribution to journalArticle

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