Abstract − Analytical Sciences, 27(10), 1049 (2011).
Screen-printed Dissolved Oxygen Sensor Based on Cerium Oxide-supported Silver Catalyst and Polydimethylsiloxane Film
Isao SHITANDA, Shunsuke MORI, and Masayuki ITAGAKI
Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
A screen-printed dissolved oxygen sensor was fabricated using cerium oxide-supported silver catalyst and polydimethylsiloxane (PDMS) film. A PDMS film of 3 μm thickness showed good permeability for oxygen and impermeability for hydrogen peroxide. The calibration curve has shown a linear relationship with a correlation coefficient of 0.996 for the dissolved oxygen concentration. The sensitivity and detection limit of the present sensor were calculated at –158 μA mM−1 and 8.4 μM, respectively.
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