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 only at low pressure range (below 3kPa). In this study, we have constructed PSMF composed of Pt(II) Mesoporphyrin IX (PtMP) to be applied to pressure measurement near atmospheric pressure. The pressure sensitivity of PSMF based on PtMP has been tested, and it is clarified that the PSMF of PtMP has equivalent pressure sensitivity of polymer PSP. Moreover, we have applied PSMF to measurement of pressure distribution of micro-channel gas flow, showing its usefulness.
| Original language | English |
|---|---|
| Pages (from-to) | 527-532 |
| Number of pages | 6 |
| Journal | AIP Conference Proceedings |
| Volume | 1084 |
| Publication status | Published - 2009 Apr 13 |
| Externally published | Yes |
| Event | 26th International Symposium on Rarefied Gas Dynamics, RGD26 - Kyoto, Japan Duration: 2008 Jul 20 → 2008 Jul 25 |
Keywords
- Langmuir-Blodgett film
- Micro gas Flow
- Pressure-sensitive paint
ASJC Scopus subject areas
- Physics and Astronomy(all)