1. 宁波大学信息科学与工程学院
2. 上海理工大学材料与化学学院
纸质出版:2023
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童旭峰, 邹杰, 袁涛, 等. 聚吡咯中极化子含量对氨气敏感特性的影响[J]. 传感器与微系统, 2023,(1):14-18.
童旭峰, 邹杰, 袁涛, 等. 聚吡咯中极化子含量对氨气敏感特性的影响[J]. 传感器与微系统, 2023,(1):14-18. DOI: 10.13873/J.1000-9787(2023)01-0014-05.
采用原位气相聚合吡咯单体的方法制备了基于聚吡咯(PPy)薄膜的电阻型氨气(NH
3
)传感器。通过使用亚硫酸钠对PPy薄膜进行还原,改变了PPy中的极化子含量,研究了PPy还原前后环链上极化子含量对薄膜NH
3
敏特性的影响。实验结果表明:由于PPy环链上极化子数量的减少,PPy薄膜的电导率降低。与还原前的高电导率PPy薄膜对比,较低电导率的PPy薄膜在室温下对NH
3
具有更高的灵敏度,其灵敏度提高了约6倍。同时,本文提出的基于PPy薄膜的NH
3
传感器制备工艺简易、成本低廉并且性能稳定,在农业NH
3
监测领域具有很好的应用前景。
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Synthesis and structural study of polypyrroles prepared in the presence of surfactants[J]. Mária Omastová;Miroslava Trchová;Jana Kovářová;Jaroslav Stejskal.Synthetic Metals,2003
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