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Covalent organic framework based multifunctional self-sanitizing face masks

文献类型： 外文期刊

作者： Ding, Luo-Gang 1 ; Wang, Song 2 ; Yao, Bing-Jian 1 ; Wu, Wen-Xiu 1 ; Kan, Jing-Lan 1 ; Liu, Yueyue 2 ; Wu, Jiaqiang 2 ; Dong, Yu-Bin 1 ;

作者机构： 1.Shandong Normal Univ, Collaborat Innovat Ctr Functionalized Probes Chem, Coll Chem Chem Engn & Mat Sci, Key Lab Mol & Nano Probes,Minist Educ, Jinan 250014, Peoples R China

2.Shandong Acad Agr Sci, Shandong Prov Key Lab Anim Dis Control & Breeding, Jinan 250100, Peoples R China

期刊名称：JOURNAL OF MATERIALS CHEMISTRY A （ 影响因子：12.732； 五年影响因子：11.995 ）

ISSN： 2050-7488

年卷期： 2022 年 10 卷 7 期

页码：

收录情况： SCI

摘要： As important personal protective equipment (PPE), face masks play a key role in self-protection during disastrous pandemics caused by the COVID-19 virus and other respiratory viruses. On the other hand, the massive utilization of disposable face masks creates big challenges not only in recycling and sterilizing the used face masks, but also in terms of plastic pollution and resource-saving. So, the development of self-sanitizing reusable face masks is highly imperative. We report herein a covalent organic framework (COF)-based face mask. In this regard, a Ag NP loaded and quinolinecarboxylic acid-linked nanoscale porphyrin COF composite of Ag@DhaTph-COOH is constructed by a three-component one-pot in situ Doebner reaction and sequential solution impregnation and NaBH4 reduction. After mixing the hydroxyl-enriched COF NPs with isocyanate-terminated polyurethane oligomers, the obtained covalently cross-linked COF-dispersion is sprayed onto the outer layer of the non-woven PET fabric surface to yield a face mask with the deposited Ag@DhaTph-COOH NPs. Our face mask is reusable and exhibits solar-powered self-sanitizing ability with excellent antibacterial and antiviral performance via a triple-modal chemo/PDT/PTT synergistic treatment under natural sunlight irradiation.

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