固体電解質インピーダンストランスデューサとペロブスカイト型酸化物レセプタを用いたリン酸水素イオンセンサ
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概要
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A new solid-electrolyte ion sensor device using a Na+-ion conductor (Na5DySi4O12: NDSO) as an impedancemetric transducer and a perovskite-type oxide thin-film as a receptor has been developed. The AC impedance of the device with a LaCoO3 receptor was found to vary logarithmically with increasing K2HPO4 concentration between 1.0×10－5 and 1.0×10－2 M at 10 kHz. The 90% response time was ca. 2 min at room temperature. The sensor showed a little sensitivity to NO3－ at higher concentration, while no response was observed to the examined anions of Cl－ and ClO4－.
著者
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吉田 麻里子
Department of Applied Chemistry, Kyushu Institute of Technology
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IBRAHIM Norahim
Department of Applied Chemistry, Kyushu Institute of Technology
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Shimizu Youichi
Department Of Applied Chemistry Faculty Of Engineering Kyushu Institute Of Technology
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Aung Yang
Department Of Applied Chemistry Kyushu Institute Of Technology
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Takase Satoko
Department Of Applied Chemistry Kyushu Institute Of Technology
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Ibrahim Norahim
Department Of Applied Chemistry Kyushu Institute Of Technology
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YOSHIDA Mariko
Department of Applied Chemistry, Kyushu Institute of Technology
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