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Detection of PPB-Level H2S Concentrations in Exhaled Breath Using Au Nanosheet Sensors with Small Variability, High Selectivity, and Long-Term Stability
Au nanosheets is good for a H2S sensor.
Taro Kato, Takahisa Tanaka, Ken Uchida
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Understanding of a Pt thin-film H2 sensor under working conditions using AP-XPS and XAFS
The operating principle of a Pt thin-film H2 gas sensor was investigated using a combination of surface sensitive ambient-pressure …
Ryo Toyoshima, Takahisa Tanaka, Taro Kato, Hitoshi Abe, Ken Uchida, Hiroshi Kondoh
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Origin of the High Selectivity of the Pt-Rh Thin-Film H2 Gas Sensor Studied by Operando Ambient-Pressure X-ray Photoelectron Spectroscopy at Working Conditions
The Pt−Rh thin-film sensors exhibit excellent sensitivity and selectivity for H2 gas detection. Here, we studied the mechanism of …
Ryo Toyoshima, Takahisa Tanaka, Taro Kato, Ken Uchida, Hiroshi Kondoh
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Simultaneous Detection of Mixed-Gas Components by Ionic-Gel Sensors with Multiple Electrodes
The sensing of gas components in a mixed gas is required for breath-based health monitoring and diagnosis. In this work, we report the …
Takahisa Tanaka, Yusuke Hamanaka, Taro Kato, Ken Uchida
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Atomistic simulation study of impacts of surface carrier scatterings on carrier transport in Pt nanosheets
It is found that scatterings of electrons in metal nanosheets by adsorbed molecules depend on temperature.
Takahisa Tanaka, Taro Kato, Takeaki Yajima, Ken Uchida
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Temperature dependence of resistivity increases induced by thiols adsorption in gold nanosheets
It is found that scatterings of electrons in metal nanosheets by adsorbed molecules depend on temperature.
Taro Kato, Takahisa Tanaka, Takeaki Yajima, Ken Uchida
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In situ AP-XPS analysis of a Pt thin-film sensor for highly sensitive H2 detection
It is found that scatterings of electrons in metal nanosheets by adsorbed molecules depend on temperature.
Ryo Toyoshima, Takahisa Tanaka, Taro Kato, Ken Uchida, Hiroshi Kondoh
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In situ AP-XPS analysis of a Pt thin-film sensor for highly sensitive H2 detection