Amperometric sensor based on NASICON and NO oxidation catalysts for detection of total NOx in atmospheric environment

Masaki Ono; Kengo Shimanoe; Norio Miura; Noboru Yamazoe

doi:10.1016/S0167-2738(00)00341-6

Amperometric sensor based on NASICON and NO oxidation catalysts for detection of total NOx in atmospheric environment

Masaki Ono, Kengo Shimanoe, Norio Miura, Noboru Yamazoe

Functional Materials Science

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

A NASICON based amperometric sensor was designed for the detection of total NOx (NO+NO₂) in air. To make the device sensitive to both NO₂ and NO, the sensing electrode (Au) was covered with NO oxidation catalysts. With the sensing electrode potential fixed at -150 mV vs. reference electrode (Au), the device attached with double catalyst layers of WO₃ and Pt(0.5 wt%)-loaded SiO₂ produced current response proportional to the concentration of NO₂ or NO up to 1 ppm at 150 °C. In addition, the proportionality constants (sensitivity) were almost the same to NO and NO₂. The current responses were barely affected by the coexistence of CO₂ or H₂O.

Original language	English
Pages (from-to)	583-588
Number of pages	6
Journal	Solid State Ionics
Volume	136-137
DOIs	https://doi.org/10.1016/S0167-2738(00)00341-6
Publication status	Published - Nov 2 2000

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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title = "Amperometric sensor based on NASICON and NO oxidation catalysts for detection of total NOx in atmospheric environment",

abstract = "A NASICON based amperometric sensor was designed for the detection of total NOx (NO+NO2) in air. To make the device sensitive to both NO2 and NO, the sensing electrode (Au) was covered with NO oxidation catalysts. With the sensing electrode potential fixed at -150 mV vs. reference electrode (Au), the device attached with double catalyst layers of WO3 and Pt(0.5 wt%)-loaded SiO2 produced current response proportional to the concentration of NO2 or NO up to 1 ppm at 150 °C. In addition, the proportionality constants (sensitivity) were almost the same to NO and NO2. The current responses were barely affected by the coexistence of CO2 or H2O.",

author = "Masaki Ono and Kengo Shimanoe and Norio Miura and Noboru Yamazoe",

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T1 - Amperometric sensor based on NASICON and NO oxidation catalysts for detection of total NOx in atmospheric environment

AU - Ono, Masaki

AU - Shimanoe, Kengo

AU - Miura, Norio

AU - Yamazoe, Noboru

PY - 2000/11/2

Y1 - 2000/11/2

N2 - A NASICON based amperometric sensor was designed for the detection of total NOx (NO+NO2) in air. To make the device sensitive to both NO2 and NO, the sensing electrode (Au) was covered with NO oxidation catalysts. With the sensing electrode potential fixed at -150 mV vs. reference electrode (Au), the device attached with double catalyst layers of WO3 and Pt(0.5 wt%)-loaded SiO2 produced current response proportional to the concentration of NO2 or NO up to 1 ppm at 150 °C. In addition, the proportionality constants (sensitivity) were almost the same to NO and NO2. The current responses were barely affected by the coexistence of CO2 or H2O.

AB - A NASICON based amperometric sensor was designed for the detection of total NOx (NO+NO2) in air. To make the device sensitive to both NO2 and NO, the sensing electrode (Au) was covered with NO oxidation catalysts. With the sensing electrode potential fixed at -150 mV vs. reference electrode (Au), the device attached with double catalyst layers of WO3 and Pt(0.5 wt%)-loaded SiO2 produced current response proportional to the concentration of NO2 or NO up to 1 ppm at 150 °C. In addition, the proportionality constants (sensitivity) were almost the same to NO and NO2. The current responses were barely affected by the coexistence of CO2 or H2O.

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JO - Solid State Ionics

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Amperometric sensor based on NASICON and NO oxidation catalysts for detection of total NOx in atmospheric environment

Abstract

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