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Hydrophobin-functionalized film bulk acoustic wave resonators for sensitive and polarity-sensitive sensing of volatile organic compounds
J.Tao; Y.Chang; J.Q.Liang; X.X.Duan; W.Pang; Y.Y.Wang
2019
发表期刊Applied Physics Letters
ISSN0003-6951
卷号115期号:16页码:5
摘要Film bulk acoustic wave resonators have demonstrated great potential in the detection of volatile organic compounds owing to their high sensitivity, miniature size, low power consumption, capacity for integration, and other beneficial characteristics. However, it is necessary to functionalize the surfaces of these resonators to enhance the adsorption and discrimination of volatile organic compounds. Here, we report a convenient and reliable method for functionalizing the surfaces of film bulk acoustic wave resonators with hydrophobins via self-assembly to enable highly sensitive and polarity sensitive detection of volatile organic compounds. Experiments conducted using various concentrations of five volatile organic compounds possessing different polarities demonstrated that the hydrophobin coating enhanced the responsivity of the proposed sensor. The obtained results were in good agreement with the Brunauer-Emmett-Teller model of multilayer physisorption, which suggests that the hydrophobin coating enhanced the sensitivity by improving the monolayer adsorption capacity. Our work demonstrates that the combination of multifunctional biosurfactants and microelectromechanical devices can permit high-performance gas sensing. Published under license by AIP Publishing.
关键词compounds vocs,sensor array,water,exfoliation,adsorption,graphene,nanorods,surface,Physics
DOI10.1063/1.5124525
收录类别SCI ; EI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/63044
专题中国科学院长春光学精密机械与物理研究所
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GB/T 7714
J.Tao,Y.Chang,J.Q.Liang,et al. Hydrophobin-functionalized film bulk acoustic wave resonators for sensitive and polarity-sensitive sensing of volatile organic compounds[J]. Applied Physics Letters,2019,115(16):5.
APA J.Tao,Y.Chang,J.Q.Liang,X.X.Duan,W.Pang,&Y.Y.Wang.(2019).Hydrophobin-functionalized film bulk acoustic wave resonators for sensitive and polarity-sensitive sensing of volatile organic compounds.Applied Physics Letters,115(16),5.
MLA J.Tao,et al."Hydrophobin-functionalized film bulk acoustic wave resonators for sensitive and polarity-sensitive sensing of volatile organic compounds".Applied Physics Letters 115.16(2019):5.
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