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Plasma-induced grafting of polyaniline on polyester fabric for gas sensing application
Journal of Materials Science: Materials in Electronics ( IF 2.8 ) Pub Date : 2020-11-21 , DOI: 10.1007/s10854-020-04628-5
Ashish A. Nimbekar , Rajendra R. Deshmukh

In this work, we have grafted Polyaniline (PANI) on polyester fabric by Chemical oxidative polymerization of aniline monomer using Ammonium per sulphate (APS) as oxidant and Sodium salt of dodecyl benzene sulfonic acid (DBSA) as a co-dopant. For better deposition and adhesion of PANI on the surface of polyester fabric, low-pressure radio frequency (RF) oxygen (O2) plasma treatment is applied to the fabric prior to grafting of PANI. Characterization of conducting fabrics is done using ATR-FTIR Spectroscopy, Scanning electron microscopy (SEM), Contact angle measurement, X-ray Photoelectron spectroscopy (XPS) and Sheet resistance measurement. It is observed that O2 plasma treatment enhances uniformity of grafting, conductivity and gives strong interfacial bonding of PANI on the surface of polyester fabric. O2 plasma-treated fabrics followed by grafting with PANI was then investigated for detection of ammonia gas.



中文翻译:

等离子诱导聚苯胺在聚酯织物上的接枝,用于气敏应用

在这项工作中,我们通过使用过硫酸铵(APS)作为氧化剂和十二烷基苯磺酸钠(DBSA)作为共掺杂剂,通过苯胺单体的化学氧化聚合将聚苯胺(PANI)接枝到聚酯织物上。为了更好地将PANI沉积和粘附在聚酯织物表面上,在接枝PANI之前,先对织物进行低压射频(RF)氧(O 2)等离子体处理。使用ATR-FTIR光谱,扫描电子显微镜(SEM),接触角测量,X射线光电子能谱(XPS)和薄层电阻测量对导电织物进行表征。观察到O 2等离子体处理可增强接枝均匀性,导电性,并在聚酯织物表面上提供PANI的牢固界面粘合。然后研究了O 2等离子处理的织物,然后接枝PANI来检测氨气。

更新日期:2020-11-22
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