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We report the hydrogen sensing properties of a sensor using TiO2 nanotube arrays. The TiO2 nanotube arrays were fabricated by anodization on titanium foil, in an electrolyte containing 0.5 wt% hydrofluoric acid mixed with water, the electric potential being 15V. TiO2 nanotube arrays were annealed at 600 Celsius for 1 h. The sensors were equipped with platinum electrodes. These two were connected with...
We fabricated a carbon nanotube based gas sensor for the detection of CO and NH3 mixed gas. Conventional photolithography technology was applied for the localization of sensing materials and the sensor fabrication. Single walled carbon nanotubes were dispersed in Sodium Dodecyl Sulfate (SDS) solution. The whole surface was covered by a photoresist except window areas between two electrodes. Carbon...
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