Cu-BTC/PS纳米纤维膜的结构调控及其低阻抗菌空气过滤应用

IF 3.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: B Pub Date : 2025-07-09 DOI:10.1016/j.mseb.2025.118582

Zhicheng Feng , Yinghua Li , Jianzhang Mai , Weixing Yang

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引用次数: 0

摘要

日益严重的空气污染对人类构成了严峻的挑战。针对传统空气过滤材料过滤效率与压降之间的矛盾和功能单一的问题，本研究采用室温溶剂法合成Cu-BTC，然后基于Cu-BTC的原位改性策略，通过调节聚苯乙烯（PS）纤维膜的孔结构，构建了具有低过滤阻力和抗菌性能的Cu-BTC/PS-2复合膜。复合膜对PM0.3的过滤效率为99.79%，压降仅为50.1 Pa。复合膜的稳定性明显优于市售驻极体熔吹过滤器，对大肠杆菌的抑菌率大于99.9%。本研究为开发新一代高效、低阻力、抗菌的空气过滤材料提供了新的材料设计策略。

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Structural modulation of Cu-BTC/PS nanofiber membrane and its low resistance antimicrobial air filtration application

Increasing air pollution poses a serious challenge to human beings. In view of the contradiction between filtration efficiency and pressure drop and the single function of traditional air filtration materials, the present study synthesized Cu-BTC by room temperature solvent method, and then based on the strategy of in-situ modification of Cu-BTC, Cu-BTC/PS-2 composite membranes with low filtration resistance and antibacterial resistance were constructed by modulating the pore structure of polystyrene (PS) fibre membranes. The composite membrane achieved 99.79 % filtration efficiency against PM_0.3 with a pressure drop of only 50.1 Pa. The stability of the composite membrane was significantly better than that of the commercial electret melt-blown filters, and the antimicrobial rate of the composite membrane against E. coli was greater than 99.9 %. This study provides a new material design strategy for the development of a new generation of high-efficiency, low-resistance and antibacterial air filtration materials.

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来源期刊

Materials Science and Engineering: B 工程技术-材料科学：综合

CiteScore

5.60

自引率

2.80%

发文量

481

审稿时长

3.5 months

期刊介绍： The journal provides an international medium for the publication of theoretical and experimental studies and reviews related to the electronic, electrochemical, ionic, magnetic, optical, and biosensing properties of solid state materials in bulk, thin film and particulate forms. Papers dealing with synthesis, processing, characterization, structure, physical properties and computational aspects of nano-crystalline, crystalline, amorphous and glassy forms of ceramics, semiconductors, layered insertion compounds, low-dimensional compounds and systems, fast-ion conductors, polymers and dielectrics are viewed as suitable for publication. Articles focused on nano-structured aspects of these advanced solid-state materials will also be considered suitable.