High-Performance photoinduced antimicrobial membrane toward efficient PM2.5-0.3 capture and Oil-Water separation

High-performance multifunctional electrospun fibrous air filter for personal protection: A review

“…Particles in the air often contain a large number of bacteria, which will pose potential risks to human health [6] , [31] , [173] . Therefore, the endowment of antibacterial properties of air filters has become a research hotspot, which can prevent people from being injured by bacteria [32] , [174] , [175] . At present, most antibacterial materials are mainly based on the adsorption and lysis of cations on the negatively charged cell membrane and cell wall of bacteria, such as nanoparticles of metals and their oxides (TiO 2 , silver (Ag), ZnO, SiO 2 , MOFs), and some polymers (chitosan (CS) and N –halamine) [6] , [31] , [32] , [173] , [174] , [175] , [176] .…”

“…Therefore, the endowment of antibacterial properties of air filters has become a research hotspot, which can prevent people from being injured by bacteria [32] , [174] , [175] . At present, most antibacterial materials are mainly based on the adsorption and lysis of cations on the negatively charged cell membrane and cell wall of bacteria, such as nanoparticles of metals and their oxides (TiO 2 , silver (Ag), ZnO, SiO 2 , MOFs), and some polymers (chitosan (CS) and N –halamine) [6] , [31] , [32] , [173] , [174] , [175] , [176] . In addition, the polymers which extracted from some natural herbs have also been proved to achieve antibacterial function by targeting specific groups of bacteria, such as sophora flavescens and curcumin (Cur) [177] , [178] , [179] .…”

“…Generally, it can be realized through structural regulation and fibrous modification [29] . Nowadays, with the continuous development of related research, high filtration efficiency and low resistance air filtration has been deeply rooted in the hearts of the people: the first thing we think of the high–performance electrospun nanofibrous membrane is its high filtration efficiency and low resistance, that is, the existing high–performance air filter has been defaulted to possess high filtration efficiency and low resistance [30] , [31] , [32] . Nevertheless, extremely good filtration performance is no longer the goal pursued by researchers: evaluating the performance of air filter should be comprehensive [10] .…”

Investigation of Oil–Water Separation on an F-SiO2/TiO2-Based Superhydrophobic/Superoleophilic Surface: Experiment Evaluation and MD Simulation

“…To obtain an excellent water treatment effect, various materials with selective wettability surfaces have attracted broad attention for oil–water separation applications. − According to their different characteristics, these materials’ surfaces can be divided into superhydrophobic/superoleophilic (SHPB/SOPL), , superhydrophilic/superoleophobic (SHPL/SOPB), , superhydrophilic-underwater superoleophobic (SHPL-UWSOPB), , underoil superhydrophobic (UOSHPB), , underwater superoleophobic-underoil superhydrophobic (UWSOPB-UOSHPB), superamphiphobic (SAPB) , properties, and so on. Among these materials, the SHPB/SOPL surface, which was inspired by the phenomenon of lotus leaf and self-cleaning, has become a focus of academic research. , The SHPB/SOPL surface was commonly defined to have a large water contact angle >150° and a small oil contact angle <10°.…”

Construction of Pt@CNTs/SiC Catalytic Membrane for High-Efficiency Removal of Formaldehyde and Dust

“…Filtration pressure drop and filtration efficiency are important parameters of membrane performance. − The membrane with better performance is expected to have a lower pressure drop with a higher filtration efficiency. , The membranes prepared by the nanofibers, such as PVDF, , PAN, , PTFE, and PS, , show excellent air purification performance due to their features of high available specific surface area and small diameter that are close to the mean free path of the air molecules (66 nm under normal conditions), which can promote the collision between nanofiber membranes and particle matter and reduce the drag force to the air flow, thereby improving the filtration performance . Carbon nanotubes (CNTs) are typical nanomaterials with a large aspect ratio, and their diameter (2–100 nm) is very close to the mean free path of air molecules .…”