期刊
JOURNAL OF PHYSICAL SCIENCE
卷 29, 期 2, 页码 137-152出版社
UNIV SAINS MALAYSIA
DOI: 10.21315/jps2018.29.2.9
关键词
Conducting polymers; polypyrrole; carbon nanotubes; in-situ polymerisation; gas sensing
资金
- North Maharashtra University, Jalgaon, India [NMU/11A/VCRMS/Budget-2013-14/Science/167/2014]
Polypyrrole-multiwall carbon nanotubes (PPy/MWCNT) nanocomposites were synthesised by in-situ chemical oxidative polymerisation method. The APFC'NTs were functionalised prior to the formation of nanocomposites. These nanocomposites were characterised by field emission scanning electron microscopy (FESTIVA X-ray diffraction (ARP), Fourier transform infrared (FTIR) spectroscopy and thermogravimetric analysis (TGA) to study the effect of incorporation of fimctionalised MWCNT in PPy matrix. The results showed the successful formation of PPy/MWCNT nanocomposite and there is significant interaction between PPy and MWCNTs. The response of the prepared PPy/MWCNT nanocomposites sensors was studied in the form of sensitivity towards ethanol vapours. Results showed that the response increases with ethanol concentration and it is also affected by the MWCNT content in PPy matrix.
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