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Liu SH, Zhou JH, Wu C, Zhang P, Cao X, Sun JK. Sub-8 nm networked cage nanofilm with tunable nanofluidic channels for adaptive sieving. Nat Commun 2024; 15:2478. [PMID: 38509092 PMCID: PMC10954766 DOI: 10.1038/s41467-024-46809-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 03/08/2024] [Indexed: 03/22/2024] Open
Abstract
Biological cell membrane featuring smart mass-transport channels and sub-10 nm thickness was viewed as the benchmark inspiring the design of separation membranes; however, constructing highly connective and adaptive pore channels over large-area membranes less than 10 nm in thickness is still a huge challenge. Here, we report the design and fabrication of sub-8 nm networked cage nanofilms that comprise of tunable, responsive organic cage-based water channels via a free-interface-confined self-assembly and crosslinking strategy. These cage-bearing composite membranes display outstanding water permeability at the 10-5 cm2 s-1 scale, which is 1-2 orders of magnitude higher than that of traditional polymeric membranes. Furthermore, the channel microenvironments including hydrophilicity and steric hindrance can be manipulated by a simple anion exchange strategy. In particular, through ionically associating light-responsive anions to cage windows, such 'smart' membrane can even perform graded molecular sieving. The emergence of these networked cage-nanofilms provides an avenue for developing bio-inspired ultrathin membranes toward smart separation.
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Affiliation(s)
- Si-Hua Liu
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, PR China
| | - Jun-Hao Zhou
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, PR China
| | - Chunrui Wu
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Chemical Engineering and Technology, Tiangong University, Tianjin, 300387, PR China
| | - Peng Zhang
- Key Laboratory of Nuclear Analysis Techniques, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Xingzhong Cao
- Key Laboratory of Nuclear Analysis Techniques, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Jian-Ke Sun
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, PR China.
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Polyamide nanofiltration membranes with rigid–flexible microstructures for high-efficiency Mg2+/Li+ separation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Li Y, Wang S, Wu W, Yu H, Che R, Kang G, Cao Y. Fabrication of positively charged nanofiltration membrane with uniform charge distribution by reversed interfacial polymerization for Mg2+/Li+ separation. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120809] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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4
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Hu D, Ren X, Fu H, Wang Y, Feng X, Li H. Constructing highly rough skin layer of thin film (nano)composite polyamide membranes to enhance separation performance: A review. J Appl Polym Sci 2022. [DOI: 10.1002/app.52692] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Dan Hu
- Key Laboratory of Cleaner Production and Integrated Resource Utilization of China National Light Industry and Key Laboratory of Brewing Molecular Engineering of China Light Industry School of Light Industry, Beijing Technology and Business University Beijing P. R. China
| | - Xiaomin Ren
- Key Laboratory of Cleaner Production and Integrated Resource Utilization of China National Light Industry and Key Laboratory of Brewing Molecular Engineering of China Light Industry School of Light Industry, Beijing Technology and Business University Beijing P. R. China
| | - Hongyan Fu
- Key Laboratory of Cleaner Production and Integrated Resource Utilization of China National Light Industry and Key Laboratory of Brewing Molecular Engineering of China Light Industry School of Light Industry, Beijing Technology and Business University Beijing P. R. China
| | - Yu Wang
- Key Laboratory of Cleaner Production and Integrated Resource Utilization of China National Light Industry and Key Laboratory of Brewing Molecular Engineering of China Light Industry School of Light Industry, Beijing Technology and Business University Beijing P. R. China
| | - Xudong Feng
- Key Laboratory of Cleaner Production and Integrated Resource Utilization of China National Light Industry and Key Laboratory of Brewing Molecular Engineering of China Light Industry School of Light Industry, Beijing Technology and Business University Beijing P. R. China
| | - Hehe Li
- Key Laboratory of Cleaner Production and Integrated Resource Utilization of China National Light Industry and Key Laboratory of Brewing Molecular Engineering of China Light Industry School of Light Industry, Beijing Technology and Business University Beijing P. R. China
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Zhu QY, Wu LK, Li LQ, Zhuang LW, Xue SM, Xu ZL, Tang YJ. Novel Insight on the Effect of the Monomer Concentration on the Polypiperazine-Amide Nanofiltration Membrane. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c00478] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Qiu-Yu Zhu
- State Key Laboratory of Chemical Engineering, Membrane Science and Engineering R&D Lab, Chemical Engineering Research Center, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Liu-Kun Wu
- State Key Laboratory of Chemical Engineering, Membrane Science and Engineering R&D Lab, Chemical Engineering Research Center, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Lan-Qian Li
- State Key Laboratory of Chemical Engineering, Membrane Science and Engineering R&D Lab, Chemical Engineering Research Center, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Li-Wei Zhuang
- State Key Laboratory of Chemical Engineering, Membrane Science and Engineering R&D Lab, Chemical Engineering Research Center, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Shuang-Mei Xue
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Zhen-Liang Xu
- State Key Laboratory of Chemical Engineering, Membrane Science and Engineering R&D Lab, Chemical Engineering Research Center, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Yong-Jian Tang
- State Key Laboratory of Chemical Engineering, Membrane Science and Engineering R&D Lab, Chemical Engineering Research Center, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
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Zhang M, Hu X, Peng L, Zhou S, Zhou Y, Xie S, Song X, Gao C. The Intrinsic Parameters of the Polyamide Nanofilm in Thin-Film Composite Reverse Osmosis (TFC-RO) Membranes: The Impact of Monomer Concentration. MEMBRANES 2022; 12:membranes12040417. [PMID: 35448387 PMCID: PMC9032585 DOI: 10.3390/membranes12040417] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 03/28/2022] [Accepted: 04/05/2022] [Indexed: 02/05/2023]
Abstract
The realistic resistance zone of water and salt molecules to transport across a TFC-RO membrane is the topmost polyamide nanofilm. The existence of hollow voids in the fully aromatic polyamide (PA) film gives its surface ridge-and-valley morphologies, which confuses the comprehensions of the definition of the PA thickness. The hollow voids, however, neither participate in salt–water separation nor hinder water penetrating. In this paper, the influence of intrinsic thickness (single wall thickness) of the PA layer on water permeability was studied by adjusting the concentration of reacting monomers. It confirms that the true permeation resistance of water molecules originates from the intrinsic thickness portion of the membrane. The experimental results show that the water permeability constant decreases from 3.15 ± 0.02 to 2.74 ± 0.10 L·m−2·h−1·bar−1 when the intrinsic thickness of the membrane increases by 9 nm. The defects on the film surface generate when the higher concentration of MPD is matched with the relatively low concentration of TMC. In addition, the role of MPD and TMC in the micro-structure of the PA membrane was discussed, which may provide a new way for the preparation of high permeability and high selectivity composite reverse osmosis membranes.
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Affiliation(s)
- Mengling Zhang
- Center for Membrane Separation and Water Science & Technology, Ocean College, Zhejiang University of Technology, Hangzhou 310014, China; (M.Z.); (X.H.); (L.P.); (S.Z.); (C.G.)
| | - Xiangyang Hu
- Center for Membrane Separation and Water Science & Technology, Ocean College, Zhejiang University of Technology, Hangzhou 310014, China; (M.Z.); (X.H.); (L.P.); (S.Z.); (C.G.)
| | - Lei Peng
- Center for Membrane Separation and Water Science & Technology, Ocean College, Zhejiang University of Technology, Hangzhou 310014, China; (M.Z.); (X.H.); (L.P.); (S.Z.); (C.G.)
| | - Shilin Zhou
- Center for Membrane Separation and Water Science & Technology, Ocean College, Zhejiang University of Technology, Hangzhou 310014, China; (M.Z.); (X.H.); (L.P.); (S.Z.); (C.G.)
| | - Yong Zhou
- Center for Membrane Separation and Water Science & Technology, Ocean College, Zhejiang University of Technology, Hangzhou 310014, China; (M.Z.); (X.H.); (L.P.); (S.Z.); (C.G.)
- Correspondence: (Y.Z.); (S.X.); (X.S.)
| | - Shijie Xie
- Center for Membrane Separation and Water Science & Technology, Ocean College, Zhejiang University of Technology, Hangzhou 310014, China; (M.Z.); (X.H.); (L.P.); (S.Z.); (C.G.)
- Correspondence: (Y.Z.); (S.X.); (X.S.)
| | - Xiaoxiao Song
- Bruker Shanghai Office 9F, Building NO.1, Lane 2570 Hechuan Rd, Minhang District, Shanghai 200233, China
- Correspondence: (Y.Z.); (S.X.); (X.S.)
| | - Congjie Gao
- Center for Membrane Separation and Water Science & Technology, Ocean College, Zhejiang University of Technology, Hangzhou 310014, China; (M.Z.); (X.H.); (L.P.); (S.Z.); (C.G.)
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Li Y, Wang S, Li H, Kang G, Sun Y, Yu H, Jin Y, Cao Y. Preparation of highly selective nanofiltration membranes by moderately increasing pore size and optimizing microstructure of polyamide layer. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2021.120056] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Surface engineering design of polyamide membranes for enhanced boron removal in seawater desalination. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120425] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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