A superfine glass fiber air filter with rapid response to photocatalytic antibacterial properties under visible light by loading rGO/ZnO

 The development of high-performance air filter has become more and more important to public health. However, it has always been very challenging for developing a multifunctional air filter to simultaneously achieve excellent filtration and antibacterial properties. Herein, a versatile air filter was prepared with loading the reduced graphener and Zinc oxide on the superfine glass fiber with the three-dimensional network structure by in-situ sol-gel process followed by calcination, which aims to achieve synergistic high efficiency air filtration and rapid response to photocatalytic antibacterial under visible light. The air filter showed a three-dimensional network structure based on a rGO/ZnO/s-GF multilayer and exhibited the highest catalytic performance by achieving a 95% degradation effect on Rhodamine B within 2 h and achieving 100% antibacterial inactivation of the Escherichia coli and Staphylococcus aureus within 4 h under visible light when the weight ratio of rGO in rGO/ZnO is...高性能空气过滤器的研发对公众健康的重要性与日俱增。然而，开发同时具备优异过滤与抗菌性能的多功能空气过滤器，始终是极具挑战性的课题。本文通过原位溶胶-凝胶法结合煅烧工艺，将还原氧化石墨烯（reduced Graphene Oxide, rGO）与氧化锌（Zinc Oxide, ZnO）负载于具有三维网状结构的超细玻璃纤维（superfine Glass Fiber, s-GF）上，制备得到一款多功能空气过滤器，旨在实现可见光下高效空气过滤与光催化抗菌快速响应的协同效应。该空气过滤器基于rGO/ZnO/s-GF多层结构呈现出三维网状架构，其催化性能达到最优：在可见光条件下，可在2小时内对罗丹明B（Rhodamine B）实现95%的降解率，并在4小时内对大肠杆菌（Escherichia coli）与金黄色葡萄球菌（Staphylococcus aureus）实现100%的抗菌灭活，当rGO在rGO/ZnO中的质量比为...