Asymmetric ion transport through heterogeneous bilayers of covalent organic frameworks
Abstract In recent years, with the development of interfacial polymerization methodologies, the successful preparation of covalent organic framework (COF) monolayers featuring ultrahigh pore density and molecule-scale thickness has become a reality. This advancement has enabled ion transport with ul...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2025-01-01
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| Series: | NPG Asia Materials |
| Online Access: | https://doi.org/10.1038/s41427-024-00582-4 |
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| author | Xiaopeng Zhang Shixian Xin Qin Qian Xiaoyi Xi Munan Fang Zhifei Sun Yunyang Wang Yulong Li Yue Wang Xingtao Tian Yuntong Li Siyu Wang Jinlei Yang Zhiyong Tang Lianshan Li |
| author_facet | Xiaopeng Zhang Shixian Xin Qin Qian Xiaoyi Xi Munan Fang Zhifei Sun Yunyang Wang Yulong Li Yue Wang Xingtao Tian Yuntong Li Siyu Wang Jinlei Yang Zhiyong Tang Lianshan Li |
| author_sort | Xiaopeng Zhang |
| collection | DOAJ |
| description | Abstract In recent years, with the development of interfacial polymerization methodologies, the successful preparation of covalent organic framework (COF) monolayers featuring ultrahigh pore density and molecule-scale thickness has become a reality. This advancement has enabled ion transport with ultrahigh flux across extremely short paths. Owing to these processes, the COF monolayers have shown wide potential applications ranging from energy conversion and artificial mechanosensing to ion sieving. To date, nanofluidic systems based on COF monolayers are homogeneous, leading to nearly symmetric ion transport properties. Studies on the ionic transport behavior within ultrathin COF heterojunctions are limited and remain challenging. Herein, using a two-step sequential self-assembly and subsequent interfacial polymerization strategy, bi-layered heterogeneous tetraphenylporphyrin-based COF membranes composed of negatively charged and positively charged monolayers were prepared. Using an electric field as a driving force, rectified ion transport was observed for the first time. Notably, this ionic current rectification property could be modulated by the salt concentration and the structural composition of the membrane, and it was universal for various COF heterojunctions with different chemical ingredients. These findings are beneficial for promoting the development of innovative nanofluidic materials and devices. |
| format | Article |
| id | doaj-art-e6b7b20461fd40a49dbf1809c90f0e80 |
| institution | Kabale University |
| issn | 1884-4057 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | NPG Asia Materials |
| spelling | doaj-art-e6b7b20461fd40a49dbf1809c90f0e802025-01-12T12:29:01ZengNature PortfolioNPG Asia Materials1884-40572025-01-011711810.1038/s41427-024-00582-4Asymmetric ion transport through heterogeneous bilayers of covalent organic frameworksXiaopeng Zhang0Shixian Xin1Qin Qian2Xiaoyi Xi3Munan Fang4Zhifei Sun5Yunyang Wang6Yulong Li7Yue Wang8Xingtao Tian9Yuntong Li10Siyu Wang11Jinlei Yang12Zhiyong Tang13Lianshan Li14CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and TechnologySchool of Nanoscience and Engineering, School of Chemical Sciences, University of Chinese Academy of SciencesSINOPEC Key Laboratory of Molecular Refining, Sinopec Research Institute of Petroleum Processing Co., LtdCAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and TechnologyCAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and TechnologyCAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and TechnologyCAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and TechnologyInstitute of Food Science and Technology, Chinese Academy of Agricultural SciencesInstitute of NBC Defence, PLA ArmyInstitute of NBC Defence, PLA ArmyInstitute of NBC Defence, PLA ArmyInstitute of NBC Defence, PLA ArmySchool of Nanoscience and Engineering, School of Chemical Sciences, University of Chinese Academy of SciencesCAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and TechnologyCAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and TechnologyAbstract In recent years, with the development of interfacial polymerization methodologies, the successful preparation of covalent organic framework (COF) monolayers featuring ultrahigh pore density and molecule-scale thickness has become a reality. This advancement has enabled ion transport with ultrahigh flux across extremely short paths. Owing to these processes, the COF monolayers have shown wide potential applications ranging from energy conversion and artificial mechanosensing to ion sieving. To date, nanofluidic systems based on COF monolayers are homogeneous, leading to nearly symmetric ion transport properties. Studies on the ionic transport behavior within ultrathin COF heterojunctions are limited and remain challenging. Herein, using a two-step sequential self-assembly and subsequent interfacial polymerization strategy, bi-layered heterogeneous tetraphenylporphyrin-based COF membranes composed of negatively charged and positively charged monolayers were prepared. Using an electric field as a driving force, rectified ion transport was observed for the first time. Notably, this ionic current rectification property could be modulated by the salt concentration and the structural composition of the membrane, and it was universal for various COF heterojunctions with different chemical ingredients. These findings are beneficial for promoting the development of innovative nanofluidic materials and devices.https://doi.org/10.1038/s41427-024-00582-4 |
| spellingShingle | Xiaopeng Zhang Shixian Xin Qin Qian Xiaoyi Xi Munan Fang Zhifei Sun Yunyang Wang Yulong Li Yue Wang Xingtao Tian Yuntong Li Siyu Wang Jinlei Yang Zhiyong Tang Lianshan Li Asymmetric ion transport through heterogeneous bilayers of covalent organic frameworks NPG Asia Materials |
| title | Asymmetric ion transport through heterogeneous bilayers of covalent organic frameworks |
| title_full | Asymmetric ion transport through heterogeneous bilayers of covalent organic frameworks |
| title_fullStr | Asymmetric ion transport through heterogeneous bilayers of covalent organic frameworks |
| title_full_unstemmed | Asymmetric ion transport through heterogeneous bilayers of covalent organic frameworks |
| title_short | Asymmetric ion transport through heterogeneous bilayers of covalent organic frameworks |
| title_sort | asymmetric ion transport through heterogeneous bilayers of covalent organic frameworks |
| url | https://doi.org/10.1038/s41427-024-00582-4 |
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