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Research Article

Superhydrophobic, photo-sterilize, and reusable mask based on graphene nanosheet-embedded carbon (GNEC) film

Zezhou Lin1, Zheng Wang2, Xi Zhang1( ), Dongfeng Diao1
Institute of Nanosurface Science and Engineering, Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, Shenzhen University, Shenzhen 518060, China
Shenzhen Anhio Medical Technology Co., Ltd, Shenzhen 518110, China
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Abstract

The 2019 coronavirus disease (COVID-19) has affected more than 200 countries. Wearing masks can effectively cut off the virus spreading route since the coronavirus is mainly spreading by respiratory droplets. However, the common surgical masks cannot be reused, resulting in the increasing economic and resource consumption around the world. Herein, we report a superhydrophobic, photo-sterilize, and reusable mask based on graphene nanosheet-embedded carbon (GNEC) film, with high-density edges of standing structured graphene nanosheets. The GNEC mask exhibits an excellent hydrophobic ability (water contact angle: 157.9°) and an outstanding filtration efficiency with 100% bacterial filtration efficiency (BFE). In addition, the GNEC mask shows the prominent photo-sterilize performance, heating up to 110 °C quickly under the solar illumination. These high performances may facilitate the combat against the COVID-19 outbreaks, while the reusable masks help reducing the economic and resource consumption.

Keywords

COVID-19superhydrophobicgraphene nanosheetphoto-sterilize

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Nano Research
Volume 14 Issue 4,
April 2021
Pages 1110-1115
DOI: 10.1007/s12274-020-3158-1
Cite this article:
Lin Z, Wang Z, Zhang X, et al. Superhydrophobic, photo-sterilize, and reusable mask based on graphene nanosheet-embedded carbon (GNEC) film. Nano Research, 2021, 14(4): 1110-1115. https://doi.org/10.1007/s12274-020-3158-1
Topics:
Carbon films GrapheneViruses

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Received: 21 August 2020
Revised: 29 September 2020
Accepted: 04 October 2020
Published: 25 November 2020
© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature
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