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BPN772: Graphene for Flexible and Tunable Room Temperature Gas Sensors

Project ID BPN772
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Start Date Wed 2014-Aug-13 15:53:19
Last Updated Wed 2014-Aug-13 16:27:26
Abstract As air pollution from industrial and automobile emission becomes more and more severe, the personalized, integrated gas sensor is desirable for everyone to monitor everyday's air quality. Such sensor should have the desirable features like energy efficient,miniature size, accurate response (down to ppm level) and flexibility. Traditional 3D semiconductor based gas sensor works in the temperature range of 300 to 400 oC, which requires large amount of energy to power the heater. We here to propose using 2D graphene based flexible field effect transistor to sense gas (N2O, NH3, H2S...) precisely, and further derive the gas selective response by measuring its electrical properties at room temperature. Due to the zero band gap of graphene, such flexible graphene FET gas sensor will build new platform for large amount of volatile chemicals ranging from emission waste to explosive chemicals.
Status New
Funding Source Federal
IAB Research Area Physical Sensors & Devices
Researcher(s) Yumeng Liu
Advisor(s) Liwei Lin
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