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27 March 2019 Cellulose nanoporous foam for improving THz gas sensing
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Many polar gas molecules possess distinct transitions in the terahertz frequency range. In this work, we present the design and fabrication of foam based THz gas sensor. This foam structure is auspicious for use as an effective sensing material owing to its high porosity, greatly reduction in its transmission loss in the Terahertz regime. To optimize the efficacy of cellulose in gas detection, we evaluate the properties of these porosities constructed by different fabrication process.
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Yen-Tse Cheng, Han-Hsiang Chen, Chi-leung Tsui, and Wei-Chih Wang "Cellulose nanoporous foam for improving THz gas sensing ", Proc. SPIE 10969, Nano-, Bio-, Info-Tech Sensors and 3D Systems III, 109690O (27 March 2019);

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