一种基于光电耦合效应的电化学传感器及其制备方法

• Format: Patent
• Language: Chinese
• Published: 15.11.2019
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

本发明公开了一种基于光电耦合效应的电化学传感器及其制备方法，该电化学传感器包括YSZ固体电解质层、加热片、参比电极和三个敏感电极。三个敏感电极分别为第一敏感电极、第二敏感电极和第三敏感电极，第一敏感电极的材料为氧化锌，第二敏感电极的材料为氧化锌和氧化铁的混合物，氧化锌和氧化铁的混合物中，氧化铁质量为氧化锌质量的20％；第三敏感电极的材料为氧化锌和氧化铈的混合物，氧化锌和氧化铈的混合物中，氧化铈质量为氧化锌质量的30％，参比电极的材料为二氧化锰；优点是在保证不缩短使用寿命的基础上，使用易于获取的材料制备，灵敏度较高，且可通过光照调整传感器对不同气体的光电耦合效应，实现对多种气体高效识别，选择性强。 The present invention provides methods and devices for detecting and distinguishing various types of gas molecules or volatile organic compounds (VOCs), the methods and devices have enhanced sensing ability; namely response magnitude, sensitivity, detection limit and selectivity (i.e., classification capability). In one embodiment, the present invention provides methods and devices for diagnosing a disease in a subject or a health status of a subject through the detection of VOCs indicative of the disease or health status in question from breath of the subject. In one embodiment, the present invention provides methods and devices for detecting the existence of lung cancer or the stage of lung cancer in a subject