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Sensors 2009, 9(6), 4151-4163; doi:10.3390/s90604151

Global Oxygen Detection in Water Using Luminescent Probe on Anodized Aluminum

1
Aerodynamic Research and Development Directorate, Japan Aerospace Exploration Agency / Chofu, Tokyo 182-8522, Japan
2
Department of Mechanical Engineering, Tokyo University of Science / Chiyoda, Tokyo 102-0073, Japan
*
Author to whom correspondence should be addressed.
Received: 29 April 2009 / Revised: 19 May 2009 / Accepted: 31 May 2009 / Published: 2 June 2009
(This article belongs to the Section Chemical Sensors)
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Abstract

We have developed anodized-aluminum pressure-sensitive paint (AA-PSP) as a global oxygen sensor in water. Platinum (II) meso-tetra(pentafluorophenyl)porphine is selected as a luminophore based on a dipping deposition study. The developed AA-PSP is characterized using water calibration setup by controlling dissolved oxygen concentration. It is shown that AA-PSP yields 4.0% change in luminescence per 1 mg/L of oxygen concentration at 23°C. Other characteristics, such as temperature dependency, photo-degradation, and physical stability, are discussed in this paper. This AA-PSP is used to demonstrate its capability of global oxygen detection in water using the impingement of oxygen rich water (20 mg/L). Even though the difference in water is only the concentration of oxygen, we can obtain global oxygen information of the jet impingement using a fast frame rate camera. Oxygen maps as well as cross-sectional distributions are shown every 0.1 s. View Full-Text
Keywords: global measurement; optical technique; dissolved oxygen; anodized aluminum; pressure-sensitive paint global measurement; optical technique; dissolved oxygen; anodized aluminum; pressure-sensitive paint
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Sakaue, H.; Ozaki, T.; Ishikawa, H. Global Oxygen Detection in Water Using Luminescent Probe on Anodized Aluminum. Sensors 2009, 9, 4151-4163.

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