The DOI matches its Crossref record; 24 of the 24 references it cites were found in a registry or an index.
Ultrathin nanofiltration membrane with polydopamine-covalent organic framework interlayer for enhanced permeability and structural stability
Abstract
Abstract Nanofiltration is a promising technology towards desalination and water purification. However, the pursuit for separation efficiency was hampered by the thick and less controllable selective layer. Herein, the ultrathin composite membranes with enhanced nanofiltration (NF) performance were achieved by interfacial polymerization mediated by polydopamine (PDA)-covalent organic framework (COF) interlayer. The hybrid interlayer with exceptional surface hydrophilicity and high porosity controlled the adsorption/diffusion of amine monomers during the interfacial polymerization process and generated an ultrathin and dense polyamide (PA) layer, which was immensely reduced from 79 nm to 11 nm in thickness. The PA/PDA-COF/PAN nanofiltration membrane exhibited desirable desalination ratio (93.4% for Na2SO4) and dye rejection (94.5% for Orange GII), along with outstanding water permeation flux of 207.07 L m−2 h−1 MPa−1, 3 times higher than that of commercial NF membranes with similar solute rejection. Moreover, the hybrid interlayer significantly strengthened the interfacial interaction between the PA layer and the polyacrylonitrile (PAN) support, rendering the composite membrane with superior structural stability. The proposed strategy provided novel insight into the rational design of multifunctional interlayer to manipulate interfacial polymerization for high-performance PA membranes.
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Cites
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Self-citationTunable sieving of ions using graphene oxide membranes
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Self-citationMechanochemical Synthesis of Chemically Stable Isoreticular Covalent Organic Frameworks
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A recent progress in thin film composite membrane: A review
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Cited by
Dai, R., Li, J., & Wang, Z. (2020) · Advances in Colloid and Interface Science · doi:10.1016/j.cis.2020.102204 · Cited by 292
Recent advances in high-performance TFC membranes: A review of the functional interlayers
Ji, C., Zhai, Z., Jiang, C., Hu, P., Zhao, S., Xue, S., Yang, Z., He, T., & Niu, Q. J. (2021) · Desalination · doi:10.1016/j.desal.2020.114869 · Cited by 268
Metadata
- Authors
- Wu, M., Yuan, J., Wu, H., Su, Y., Yang, H., You, X., Zhang, R., He, X., Khan, N. A., Kasher, R., & Jiang, Z.
- Venue
- Journal of Membrane Science
- Publisher
- Elsevier BV
- Published
- 2019-04
- Volume
- 576
- Pages
- 131-141
- ISSN
- 0376-7388 (ISSN-L)
- OpenAlex
- W2914125301
- Cited by
- 325
- References
- 24
- FWCI
- 15.41
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Wu, M., Yuan, J., Wu, H., Su, Y., Yang, H., You, X., Zhang, R., He, X., Khan, N. A., Kasher, R., & Jiang, Z. (2019). Ultrathin nanofiltration membrane with polydopamine-covalent organic framework interlayer for enhanced permeability and structural stability. Journal of Membrane Science. https://doi.org/10.1016/j.memsci.2019.01.040
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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