扬州大学机械工程学院
纸质出版:2023
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吴其皓, 廖鹏飞, 茅寅, 等. 高灵敏度电容式柔性压力传感器的设计与优化[J]. 传感器与微系统, 2023,(4):107-110.
吴其皓, 廖鹏飞, 茅寅, 等. 高灵敏度电容式柔性压力传感器的设计与优化[J]. 传感器与微系统, 2023,(4):107-110. DOI: 10.13873/J.1000-9787(2023)04-0107-04.
设计了基于微结构化电极与复合介电层的柔性压力传感器。传感器以碳纳米管(CNTs)与聚二甲基硅氧烷(PDMS)作为电极层材料,采用工艺简单且成本低的旋涂技术将砂纸作为模板并引入CNTs制备结构化电极,同时引入CNTs对介电层进行掺杂。分析了结构化电极与介电层掺杂不同质量分数CNTs对传感器灵敏度的影响。通过2步优化使得传感器在具有60目砂纸构建的微结构电极,且CNTs掺杂质量分数为复合介电层的2.5%时,具有更高的灵敏度(0.602 kPa
-1
)
快速响应(100 ms)以及良好的循环稳定性(240次)。
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