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https://hdl.handle.net/11147/13994
Title: | Electrospun polyacrylonitrile (PAN)/polypyrrole (PPy) nanofiber-coated quartz crystal microbalance for sensing volatile organic compounds | Authors: | Yağmurcukardeş, Nesli İnce Yardımcı, Atike Yağmurcukardeş, Mehmet Çapan, İnci Erdoğan, Matem Çapan, Rifat Açıkbaş, Yaser |
Keywords: | Nanofibers Polypyrroles Polyacrylonitrile |
Publisher: | Springer | Abstract: | In this study, electrospun polyacrylonitrile (PAN)/polypyrrole (PPy) nanofibers (NFs) coated quartz crystal microbalance (QCM) were investigated for their sensing characteristics against six different volatile organic compounds (VOCs): chloroform, dichloromethane, carbon tetrachloride, benzene, toluene and xylene. SEM, TEM, FT-IR and TGA analysis were carried out for the characterization of PAN/PPy nanofibers and characterization results of PAN/PPy NFs showed that these nanofibers were morphologically well-arranged and straightforward with a cylindrical shape with the average fiber diameter of 253.17 +/- 27 nm. Among all the gas measurement tests, dichloromethane displayed the highest response values for PAN/PPy coated QCM sensors. When the reproducibility of kinetic studies for PAN/PPy NFs coated QCM sensors were examined, the most repetitive results were obtained by this QCM sensor during dichloromethane investigation and the diffusion coefficients of VOCs for the first and second regions increased with the order of xylene < toluene < benzene < carbontetrachloride < chloroform < dichloromethane. The sensitivities of the PAN/PPy nanofibers-coated QCM sensor against organic vapors are determined between 4.71 and 6.17 (Hz ppm(-1)) x 10(-4). As a result, PAN/PPy nanofibers exhibited high sensitivity and selectivity for VOCs sensor applications, especially for dichloromethane. | URI: | https://doi.org/10.1007/s10854-023-11281-1 https://hdl.handle.net/11147/13994 |
ISSN: | 0957-4522 1573-482X |
Appears in Collections: | Photonics / Fotonik Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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Electrospun-polyacrylonitrile.pdf Until 2026-01-01 | 2.85 MB | Adobe PDF | View/Open Request a copy |
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