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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 105-108 |
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Eijadi maghsoodi P, Heydari E. Fabrication of Dissolved-oxygen Sensor Using Platinum-octaethyl Porphyrin Complex in Polystyrene Matrix. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :105-108
URL: http://opsi.ir/article-1-1989-en.html
URL: http://opsi.ir/article-1-1989-en.html
1- Faculty of Physics, Kharazmi University, Tehran, Iran
Abstract: (1606 Views)
Oxygen is one of the most crucial elements on Earth; therefore, the ability to measure it precisely is of great importance. Various methods of oxygen measurement has been developed up until now. In this paper, the aim is to present an optical in-situ oxygen sensor for dissolved oxygen sensing in water using a metalloporphyrin complex. Thus, a thin film is produced consisting of platinum octaethyl porphyrin as the oxygen sensitive probe doped in a polystyrene matrix using spin coating method. Considering the absorption spectrum of the dye, a 532nm Nd:YAG laser is used as the excitation light. The oxygen sensor is characterized by measuring the phosphorescence intensity for different oxygen concentrations.
Keywords: Dissolved-oxygen in water, phosphorescence, photonic sensor, platinum octaethyl porphyrin.
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