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Article

Synthesis of Core–Double Shell Nylon-ZnO/Polypyrrole Electrospun Nanofibers

1
Laboratory of Multifunctional Materials and Structures, National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
2
Advanced Polymer Materials Group, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Gheorghe Polizu 1-7, 060042 Bucharest, Romania
*
Authors to whom correspondence should be addressed.
Nanomaterials 2020, 10(11), 2241; https://doi.org/10.3390/nano10112241
Received: 19 October 2020 / Revised: 9 November 2020 / Accepted: 9 November 2020 / Published: 12 November 2020
(This article belongs to the Special Issue Thin Films Based on Nanocomposites)
Core–double shell nylon-ZnO/polypyrrole electrospun nanofibers were fabricated by combining three straightforward methods (electrospinning, sol–gel synthesis and electrodeposition). The hybrid fibrous organic–inorganic nanocomposite was obtained starting from freestanding nylon 6/6 nanofibers obtained through electrospinning. Nylon meshes were functionalized with a very thin, continuous ZnO film by a sol–gel process and thermally treated in order to increase its crystallinity. Further, the ZnO coated networks were used as a working electrode for the electrochemical deposition of a very thin, homogenous polypyrrole layer. X-ray diffraction measurements were employed for characterizing the ZnO structures while spectroscopic techniques such as FTIR and Raman were employed for describing the polypyrrole layer. An elemental analysis was performed through X-ray microanalysis, confirming the expected double shell structure. A detailed micromorphological characterization through FESEM and TEM assays evidenced the deposition of both organic and inorganic layers. Highly transparent, flexible due to the presence of the polymer core and embedding a semiconducting heterojunction, such materials can be easily tailored and integrated in functional platforms with a wide range of applications. View Full-Text
Keywords: polypyrrole; zinc oxide; nanofiber; electrospinning; electrodeposition; sol–gel; core–double shell polypyrrole; zinc oxide; nanofiber; electrospinning; electrodeposition; sol–gel; core–double shell
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MDPI and ACS Style

Beregoi, M.; Preda, N.; Costas, A.; Enculescu, M.; Negrea, R.F.; Iovu, H.; Enculescu, I. Synthesis of Core–Double Shell Nylon-ZnO/Polypyrrole Electrospun Nanofibers. Nanomaterials 2020, 10, 2241. https://doi.org/10.3390/nano10112241

AMA Style

Beregoi M, Preda N, Costas A, Enculescu M, Negrea RF, Iovu H, Enculescu I. Synthesis of Core–Double Shell Nylon-ZnO/Polypyrrole Electrospun Nanofibers. Nanomaterials. 2020; 10(11):2241. https://doi.org/10.3390/nano10112241

Chicago/Turabian Style

Beregoi, Mihaela, Nicoleta Preda, Andreea Costas, Monica Enculescu, Raluca Florentina Negrea, Horia Iovu, and Ionut Enculescu. 2020. "Synthesis of Core–Double Shell Nylon-ZnO/Polypyrrole Electrospun Nanofibers" Nanomaterials 10, no. 11: 2241. https://doi.org/10.3390/nano10112241

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