Fabrication, characterization and vapor-induced electroresponsive behavior of P(St-alt-MA)/MWCNT conductive nanocomposite films |
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| Authors: | Yan-Ling Luo Qing-Bo Wei Ya-Shao Chen Ting-Ting Huo |
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| Affiliation: | (1) Key Laboratory of Macromolecular Science of Shaanxi Province, School of Chemistry and Materials Science, Shaanxi Normal University, Xi’an, 710062, People’s Republic of China |
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| Abstract: | Novel electroconductive nanocomposites were prepared by an in situ polymerization avenue based on poly(styrene-alt-maleic anhydride) (P(St-alt-MA)), multi-walled carbon nanotubes (MWCNT) or hydroxyl-functionalized MWCNT (MWCNT–OH). Vapor sensing films with intensive response to polar solvent vapors were assembled through an covalent or non-covalent interaction between MWCNT or MWCNT–OH and P(St-alt-MA), as demonstrated by a Raman, infrared spectroscopy, scanning and transmission electron microscopes. The films gave an expeditious response, favorable reversibility and reproducibility, which were predominately controlled by an expansion effect and an interaction among carbon nanotubes, copolymers and solvent molecules. |
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