Synthesis and characterization of UV‐curable nanocellulose/ ZnO/ AlN acrylic flexible films : Thermal, dynamic mechanical and piezoelectric response
Abstract This work is aimed at fabricating nanocomposites based on zinc oxide (ZnO) nanostructures and nanocellulose dispersed in a UV‐cured acrylic matrix (EC) for application as functional coatings for self‐powered applications. Morphological, thermal, and dynamic mechanical properties of the nanocomposites were characterized by X‐Ray diffractometry (XRD), scanning electron microscopy, and differential scanning calorimetry. The piezoelectric behavior was evaluated in terms of root mean square (RMS) open circuit voltage, at different accelerations applied to cantilever beams. The generated voltage was correlated with ZnO nanostructures morphology, aluminum nitride film integration on the beam and proof mass insertion at the tip. Nitride layer increased the RMS voltage from 1 to 2.4 mV up to 3.9 mV (using ZnO nanoflowers). As confirmed by XRD analyses, the incorporation of ZnO nanostructures into the acrylic matrix favored an ordered structural arrangement of the deposited AlN layer, hence improving the piezoelectric response of the resulting nanocomposites. With proof mass insertion, the output voltage was further increased, reaching 4.5 mV for the AlN‐coated system containing ZnO nanoflowers..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:138 |
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| Enthalten in: |
Journal of Applied Polymer Science - 138(2021), 4 |
| Beteiligte Personen: |
Signore, Maria Assunta [VerfasserIn] |
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| BKL: |
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| Anmerkungen: |
© 2020 Wiley Periodicals LLC. |
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| Umfang: |
15 |
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| doi: |
10.1002/app.49731 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Abstract This work is aimed at fabricating nanocomposites based on zinc oxide (ZnO) nanostructures and nanocellulose dispersed in a UV‐cured acrylic matrix (EC) for application as functional coatings for self‐powered applications. Morphological, thermal, and dynamic mechanical properties of the nanocomposites were characterized by X‐Ray diffractometry (XRD), scanning electron microscopy, and differential scanning calorimetry. The piezoelectric behavior was evaluated in terms of root mean square (RMS) open circuit voltage, at different accelerations applied to cantilever beams. The generated voltage was correlated with ZnO nanostructures morphology, aluminum nitride film integration on the beam and proof mass insertion at the tip. Nitride layer increased the RMS voltage from 1 to 2.4 mV up to 3.9 mV (using ZnO nanoflowers). As confirmed by XRD analyses, the incorporation of ZnO nanostructures into the acrylic matrix favored an ordered structural arrangement of the deposited AlN layer, hence improving the piezoelectric response of the resulting nanocomposites. With proof mass insertion, the output voltage was further increased, reaching 4.5 mV for the AlN‐coated system containing ZnO nanoflowers. | ||
| 700 | 1 | |a De Pascali, Chiara |4 aut | |
| 700 | 1 | |a Duraccio, Donatella |4 aut | |
| 700 | 1 | |a Malucelli, Giulio |4 aut | |
| 700 | 1 | |a Fioravanti, Ambra |4 aut | |
| 700 | 1 | |a Melissano, Enrico |4 aut | |
| 700 | 1 | |a Martucci, Maria Concetta |4 aut | |
| 700 | 1 | |a Masieri, Maurizio |4 aut | |
| 700 | 1 | |a Siciliano, Pietro |4 aut | |
| 700 | 1 | |a Francioso, Luca |4 aut | |
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