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Development of multifunctional membranes via plasma-assisted nonsolvent induced phase separation

Author

Listed:
  • Yueh-Han Huang

    (National Taiwan University of Science and Technology)

  • Meng-Jiy Wang

    (National Taiwan University of Science and Technology)

  • Tai-Shung Chung

    (National Taiwan University of Science and Technology
    National Taiwan University of Science and Technology
    National Taiwan University of Science and Technology)

Abstract

Demands on superhydrophobic, self-cleaning and piezoelectric membranes have gained significantly due to their potential to overcome global shortages in clean water and energy. In this study, we have discovered a novel plasma-assisted nonsolvent induced phase separation (PANIPS) method to prepare superhydrophobic, self-cleaning and piezoelectric poly(vinylidene difluoride) (PVDF) membranes without additional chemical modifications or post-treatments. The PANIPS membranes exhibit water contact angles ranging from 151.2° to 166.4° and sliding angles between 6.7° and 29.7°. They also show a high piezoelectric coefficient (d33) of 10.5 pC N−1 and can generate a high output voltage of 10 Vpp. The PANIPS membranes can effectively recover pure water from various waste solutions containing Rose Bengal dye, humic acid, or sodium dodecyl sulfate via direct contact membrane distillation (DCMD). This study may provide valuable insights to fabricate PANIPS membranes and open up new avenues to molecularly design advanced superhydrophobic, self-cleaning, and piezoelectric membranes in the fields of clean water production, motion sensor, and piezoelectric nanogenerator.

Suggested Citation

  • Yueh-Han Huang & Meng-Jiy Wang & Tai-Shung Chung, 2024. "Development of multifunctional membranes via plasma-assisted nonsolvent induced phase separation," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-45414-9
    DOI: 10.1038/s41467-024-45414-9
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