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Chemically Variable Polyurethanes Prepared Using CO2-Derived Diols as Promising Triboelectric Energy Harvesting Materials
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    Chemically Variable Polyurethanes Prepared Using CO2-Derived Diols as Promising Triboelectric Energy Harvesting Materials
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    ACS Applied Polymer Materials

    Cite this: ACS Appl. Polym. Mater. 2024, 6, 24, 15221–15229
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    https://doi.org/10.1021/acsapm.4c03025
    Published December 11, 2024
    Copyright © 2024 American Chemical Society

    Abstract

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    The chemical conversion of CO2 into valuable chemicals has attracted great attention from scientists. In this work, cyclic carbonates (CCs) with various functional groups were prepared through the chemical conversion of CO2 with epoxides. By reacting CCs with 2-ethanolamine, carbamate diols with various functional groups (CDs) could be developed as polymer platforms. Finally, a series of polyurethanes with various functional groups (PU-CDs) were synthesized by reacting CDs with diisocyanate and were applied as triboelectric energy harvesting materials. The triboelectric performance of PU-CDs on polyethylene terephthalate fabric (PET-F) films depended on the functional groups of PU-CDs. The optimal PU-CD4/PET-F film with phenyl groups exhibited promising triboelectric performance, achieving an output peak-to-peak voltage (Vp–p) of 352 V and a maximum power density of 18 mW/cm2. The triboelectric devices fabricated with PU-CD4/PET-F films demonstrated excellent durability over 30000 pressing/releasing cycles and were able to power green light emitting diodes (LEDs) and a hygrometer. Based on the synthetic strategy of this work, a greater variety of CO2-derived PUs can be designed and developed for the harvesting of triboelectric energy.

    Copyright © 2024 American Chemical Society

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    Supporting Information

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    The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acsapm.4c03025.

    • Characterization data and 1H and 13C NMR spectra of CDs and PU-CDs, photographs and additional SEM images of PET-F and PU-CD/PET-F films, RH and temperature-dependent triboelectric performance and tensile strength tests, the results of DFT calculation, videos demonstrating S-TENGs as power sources, a table of triboelectric performance of the petroleum-based PU materials (PDF)

    • Triboelectric energy harvested by the S-TENG (MP4)

    • Could be achieved by the S-TENG (MP4)

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    ACS Applied Polymer Materials

    Cite this: ACS Appl. Polym. Mater. 2024, 6, 24, 15221–15229
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acsapm.4c03025
    Published December 11, 2024
    Copyright © 2024 American Chemical Society

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