Roll-to-Roll Transfer of Electrospun Nanofiber Film for High-Efficiency Transparent Air Filter

Nano Letters
Jinwei XuYi Cui

Abstract

Particulate matter (PM) pollution in air has become a serious environmental issue calling for new type of filter technologies. Recently, we have demonstrated a highly efficient air filter by direct electrospinning of polymer fibers onto supporting mesh although its throughput is limited. Here, we demonstrate a high throughput method based on fast transfer of electrospun nanofiber film from roughed metal foil to a receiving mesh substrate. Compared with the direct electrospinning method, the transfer method is 10 times faster and has better filtration performance at the same transmittance, owing to the uniformity of transferred nanofiber film (>99.97% removal of PM2.5 at ∼73% of transmittance). With these advantages, large area freestanding nanofiber film and roll-to-roll production of air filter are demonstrated.

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Citations

May 16, 2017·Nano Letters·Ankun YangYi Cui
Dec 4, 2019·Nanoscale Research Letters·Wen LiangYun-Ze Long
Mar 21, 2018·Scientific Reports·Xiaowei ZhangFeng Lin
Aug 21, 2019·Sensors·Nahal AliheidariHamid Dalir
Jul 30, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Shan-Jiang WangTong Zhang
Jan 16, 2021·Advanced Materials·Ruijie YangZhiyuan Zeng
Feb 11, 2021·ACS Applied Materials & Interfaces·Xin FanWei-Hong Zhong
Mar 2, 2021·Current Opinion in Colloid & Interface Science·Mingrui LiaoJian Ren Lu
Mar 23, 2021·Advanced Science·Sejin ChoiSung Yeon Hwang
May 12, 2021·ACS Applied Materials & Interfaces·Tao LuChaobo Huang
Aug 14, 2018·Environment International·Ashish Sharma, Prashant Kumar

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