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Ammonia sensors manufactured by plasma enhanced grafting of conducting polymers on nylon-6 fabrics
Synthetic Metals ( IF 4.4 ) Pub Date : 2021-07-07 , DOI: 10.1016/j.synthmet.2021.116840
Ashish A. Nimbekar 1, 2 , Pushpinder G. Bhatia 3 , Rajendrasing R. Deshmukh 1
Affiliation  

In this study, two conducting polymers viz. Polyaniline (PANI) and Polypyrrole (PPY) were grafted on nylon 6 fabrics separately using in situ chemical oxidative polymerization method. For better adhesion and deposition, nylon 6 fabrics were treated with low pressure RF oxygen (O2) plasma prior to grafting of conducting polymers. Both PANI and PPY grafted nylon 6 fabrics were characterized by scanning electron microscopy (SEM), ATR-FTIR, XPS (ESCA), contact angle and sheet resistance measurements. Both the fabrics have been tested as ammonia gas sensor. Uniform deposition of PANI and PPY on nylon 6 fabric surfaces have been observed due to oxygen plasma pre-treatment. PANI grafted nylon 6 fabrics are found to be less conductive but more sensitive towards ammonia gas than PPY grafted nylon 6 fabrics.



中文翻译:

通过等离子体增强在尼龙 6 织物上接枝导电聚合物制造的氨传感器

在这项研究中,两种导电聚合物即。采用原位化学氧化聚合法将聚苯胺(PANI)和聚吡咯(PPY)分别接枝在尼龙6织物上。为了更好的粘附和沉积,尼龙 6 织物在接枝导电聚合物之前用低压射频氧 (O 2 ) 等离子体处理。PANI 和 PPY 接枝尼龙 6 织物均通过扫描电子显微镜 (SEM)、ATR-FTIR、XPS (ESCA)、接触角和薄层电阻测量进行表征。两种织物均已作为氨气传感器进行了测试。由于氧等离子体预处理,已经观察到 PANI 和 PPY 在尼龙 6 织物表面上的均匀沉积。发现与 PPY 接枝尼龙 6 织物相比,PANI 接枝尼龙 6 织物的导电性较低,但对氨气更敏感。

更新日期:2021-07-07
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