材料科学
静电纺丝
纳米纤维
纳米晶
纳米技术
微晶
纳米线
化学工程
聚合物
复合材料
工程类
古生物学
生物
作者
Yao Wang,Ran Cao,Chen Wang,Xiyu Song,Ruina Wang,Jiacun Liu,Mengmeng Zhang,Junyi Huang,Tingting You,Yihua Zhang,Dapeng Yan,Wendong Han,Lan Yan,Jisheng Xiao,Peng Li
标识
DOI:10.1002/adfm.202214388
摘要
Abstract In the event of a public health crisis, highly effective and sustainable antimicrobial materials and equipment will be urgently needed. Here, the preparation is reported by electrospinning of broad‐spectrum antibacterial nanofibers embedded in a photoactive hydrogen‐bonded organic framework (HOF) of rod‐like nanocrystals ≈60 nm in length. The resulting HOF@PVDF‐HFP nanofibers maintain excellent tensile and breathability characteristics while shielding HOF nanocrystals against acid and alkali corrosion. A series of nanofibers embedded with different amounts and types of HOF nanocrystals are prepared to optimize their efficiency of singlet oxygen ( 1 O 2 ) generation. The 0.5 wt.% HOF‐101‐F@PVDF‐HFP nanofibers exhibit the most efficient 1 O 2 generation that is enhanced by a factor of almost 2 when compared with the HOF‐101‐F microcrystalline powder. The HOF@PVDF‐HFP nanofibers are demonstrated to highly effectively kill pathogens, including viruses, bacteria, and fungi in 30 min under ambient light conditions.
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