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Ultrathin, ultralight dual-scale fibrous networks with high-infrared transmittance for high-performance, comfortable and sustainable PM0.3 filter

Author

Listed:
  • Yuchen Yang

    (Qingyuan Innovation Laboratory
    Fuzhou University
    Donghua University)

  • Xiangshun Li

    (Donghua University)

  • Zhiyong Zhou

    (Donghua University)

  • Qiaohua Qiu

    (Donghua University
    Zhejiang Sci-Tech University)

  • Wenjing Chen

    (Donghua University)

  • Jianying Huang

    (Qingyuan Innovation Laboratory
    Fuzhou University)

  • Weilong Cai

    (Qingyuan Innovation Laboratory
    Fuzhou University)

  • Xiaohong Qin

    (Donghua University)

  • Yuekun Lai

    (Qingyuan Innovation Laboratory
    Fuzhou University)

Abstract

Highly permeable particulate matter (PM) can carry various bacteria, viruses and toxics and pose a serious threat to public health. Nevertheless, current respirators typically sacrifice their thickness and base weight for high-performance filtration, which inevitably causes wearing discomfort and significant consumption of raw materials. Here, we show a facile yet massive splitting eletrospinning strategy to prepare an ultrathin, ultralight and radiative cooling dual-scale fiber membrane with about 80% infrared transmittance for high-protective, comfortable and sustainable air filter. By tailoring antibacterial surfactant-triggered splitting of charged jets, the dual-scale fibrous filter consisting of continuous nanofibers (44 ± 12 nm) and submicron-fibers (159 ± 32 nm) is formed. It presents ultralow thickness (1.49 μm) and base weight (0.57 g m−2) but superior protective performances (about 99.95% PM0.3 removal, durable antibacterial ability) and wearing comfort of low air resistance, high heat dissipation and moisture permeability. Moreover, the ultralight filter can save over 97% polymers than commercial N95 respirator, enabling itself to be sustainable and economical. This work paves the way for designing advanced and sustainable protective materials.

Suggested Citation

  • Yuchen Yang & Xiangshun Li & Zhiyong Zhou & Qiaohua Qiu & Wenjing Chen & Jianying Huang & Weilong Cai & Xiaohong Qin & Yuekun Lai, 2024. "Ultrathin, ultralight dual-scale fibrous networks with high-infrared transmittance for high-performance, comfortable and sustainable PM0.3 filter," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-45833-8
    DOI: 10.1038/s41467-024-45833-8
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    References listed on IDEAS

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    1. Shichao Zhang & Hui Liu & Ning Tang & Jianlong Ge & Jianyong Yu & Bin Ding, 2019. "Direct electronetting of high-performance membranes based on self-assembled 2D nanoarchitectured networks," Nature Communications, Nature, vol. 10(1), pages 1-11, December.
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