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SURFACE ENHANCED INFRARED ABSORPTION SENSOR AND PROCESS FOR PRODUCING THE SURFACE ENHANCED INFRARED ABSORPTION SENSOR
SURFACE ENHANCED INFRARED ABSORPTION SENSOR AND PROCESS FOR PRODUCING THE SURFACE ENHANCED INFRARED ABSORPTION SENSOR
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机译:表面增强的红外吸收传感器和生产表面增强的红外吸收传感器的方法
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摘要
The method for producing a surface enhanced infrared absorption sensor of the invention is characterized by: adsorbing metallic nanoparticles dispersed in a solution on a surface of a substrate, or allowing the adsorbed metallic nanoparticles to be grown in a solution, thereby forming a film; applying infrared light to the substrate from the side thereof opposite to the side on which the metallic nano-thin film is disposed; detecting evanescent waves exuding from the substrate; and regulating a surface enhanced infrared adsorption activity while monitoring surface enhanced infrared adsorption signals in situ, whereby the metallic nano-thin film is grown in the form of flat and discontinuous islands. According to the method, there is provided a production technique for a surface enhanced infrared absorption (SEIRA) sensor having a higher sensitivity and more excellent in the reproducibility.
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