Lamellar water induced quantized interlayer spacing of nanochannels walls

查看全文 作　　者：Yue [1]Zhang;Chenlu [2]Wang;Chunlei [3,4]Wang;Yingyan [5]Zhang;Junhua [1]Zhao;Ning [1]Wei

机构地区：[1]Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology,Jiangnan University,Wuxi,214122,China;[2]Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas,Ministry of Education,Northwest A&F University,Yangling,712100,China;[3]Zhangjiang Lab,Interdisplinary Research Center,Shanghai Advanced Research Institute,Chinese Academy of Sciences,Shanghai,201210,China;[4]Key Laboratory of Interfacial Physics and Technology,Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai,201800,China;[5]Mechanical&Automotive Engineering,School of Engineering,RMIT University,Bundoora,Melbourne,VIC,VIC 3083,Australia

出　　处：《Green Energy & Environment》索引2024年第9卷第2期,共10页

基　　金：support from the National Natural Science Foundation of China(Grant Nos.12372327,12372109,11972171);National Key R&D Program of China(Grant No.2023YFB4605101). 摘　　要：The nanoscale confinement is of great important for the industrial applications of molecular sieve,desalination,and also essential in bio-logical transport systems.Massive efforts have been devoted to the influence of restricted spaces on the properties of confined fluids.However,the situation of channel-wall is crucial but attracts less attention and remains unknown.To fundamentally understand the mechanism of channel-walls in nanoconfinement,we investigated the interaction between the counter-force of the liquid and interlamellar spacing of nanochannel walls by considering the effect of both spatial confinement and surface wettability.The results reveal that the nanochannel stables at only a few discrete spacing states when its confinement is within 1.4 nm.The quantized interlayer spacing is attributed to water molecules becoming laminated structures,and the stable states are corresponding to the monolayer,bilayer and trilayer water configurations,respectively.The results can potentially help to understand the characterized interlayers spacing of graphene oxide membrane in water.Our findings are hold great promise in design of ion filtration membrane and artificial water/ion channels. 关键词：NANOCONFINEMENT Quantized spacing Lamellar water layer MD simulations Entropy force

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Lamellar water induced quantized interlayer spacing of nanochannels walls

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