Properties optimization of electrospun polymer: organic-free perovskite nanofibers by controlling solution concentration
Abstract In this paper, properties of electrospun polyvinylpyrrolidone-cesium lead iodide ($ CsPbI_{3} $) nanofibers have been optimized by controlling the solution concentration. The diameter of nanofibers was found to enlarge from 215 to 558 nm with increasing polymer concentration and to decrease from 481 to 228 nm with reducing total material concentration. The solution concentration was employed to alter the polymer structural confinement and organic-free perovskite stability to obtain maximum perovskite crystallinity and improved optical properties at a polymer to perovskite ratio of 15% and a material concentration of 43%. The results showed that with an increase in polymer concentration or a decrease in material concentration, the shrinkage ratio increases in the range of 13–20%, and higher tensile properties are achieved with strain of 2.5–3.5% and tensile strength of 1.4–1.9 MPa. The added perovskite significantly reduces the shrinkage ratio, which increases from 12–14% to 28–31% by decreasing perovskite concentration from 45 to 35%. Defects related to shrinkage can be eliminated by enhancing the nanofibers' adherence to the substrate, using substrates with a higher Young's modulus than the nanofibers, and reducing the thickness of the nanofibers. The resulting nanofibers showed high thermal stability with a weight loss of 1.8% to 3.6% at a temperature of 200 °C..
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Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
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| Enthalten in: |
Journal of polymer research - 30(2023), 6 vom: 11. Mai |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Bkkar, Muhammad A. [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Anmerkungen: |
© The Polymer Society, Taipei 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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| doi: |
10.1007/s10965-023-03578-w |
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| funding: |
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| PPN (Katalog-ID): |
OLC214388642X |
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| 520 | |a Abstract In this paper, properties of electrospun polyvinylpyrrolidone-cesium lead iodide ($ CsPbI_{3} $) nanofibers have been optimized by controlling the solution concentration. The diameter of nanofibers was found to enlarge from 215 to 558 nm with increasing polymer concentration and to decrease from 481 to 228 nm with reducing total material concentration. The solution concentration was employed to alter the polymer structural confinement and organic-free perovskite stability to obtain maximum perovskite crystallinity and improved optical properties at a polymer to perovskite ratio of 15% and a material concentration of 43%. The results showed that with an increase in polymer concentration or a decrease in material concentration, the shrinkage ratio increases in the range of 13–20%, and higher tensile properties are achieved with strain of 2.5–3.5% and tensile strength of 1.4–1.9 MPa. The added perovskite significantly reduces the shrinkage ratio, which increases from 12–14% to 28–31% by decreasing perovskite concentration from 45 to 35%. Defects related to shrinkage can be eliminated by enhancing the nanofibers' adherence to the substrate, using substrates with a higher Young's modulus than the nanofibers, and reducing the thickness of the nanofibers. The resulting nanofibers showed high thermal stability with a weight loss of 1.8% to 3.6% at a temperature of 200 °C. | ||
| 650 | 4 | |a Polymer | |
| 650 | 4 | |a Perovskite | |
| 650 | 4 | |a Nanofibers | |
| 650 | 4 | |a Concentration | |
| 650 | 4 | |a Diameter | |
| 650 | 4 | |a Properties | |
| 700 | 1 | |a Olekhnovich, Roman O. |0 (orcid)0000-0002-6894-1224 |4 aut | |
| 700 | 1 | |a Kremleva, Arina V. |0 (orcid)0000-0002-7045-0918 |4 aut | |
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| 700 | 1 | |a Kovach, Yakov N. |0 (orcid)0000-0003-4858-4968 |4 aut | |
| 700 | 1 | |a Zverkov, Nikolai A. |0 (orcid)0000-0003-2590-157X |4 aut | |
| 700 | 1 | |a Uspenskaya, Mayya V. |0 (orcid)0000-0003-2510-2639 |4 aut | |
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