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20250714100620.0 |
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250508s2025 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202420636
|2 doi
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|a pubmed25n1410.xml
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|a (DE-627)NLM386352836
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|a (NLM)40159803
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Guo, Qing
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Creating Sodium Ion Channels via De Novo Encapsulation of Ionophores for Enhanced Water Energy Harvesting
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|c 2025
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 19.05.2025
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2025 Wiley‐VCH GmbH.
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|a Biological ion channels achieve remarkable permselectivity and cation discrimination through the synergy of their intricate architectures and specialized ionophores within confined nanospaces, enabling efficient energy conversion. Emulating such selectivity in synthetic nanochannels, however, remains a persistent challenge. To address this, a novel host-guest assembly membrane is developed by incorporating sodium-selective ionophores into a β-ketoenamine-linked covalent organic framework (COF). This design confers exceptional permselectivity and Na+ selectivity, achieving Na+/K+ and Na+/Li+ selectivity ratios of 3.6 and 103, respectively, along with near-perfect Na+/Cl- selectivity under a 0.5 M || 0.01 M salinity gradient. Notably, the membrane dynamically switches its permselectivity to favor anion transport in the presence of high-valent cations (e.g., Ca2+), overcoming limitations such as uphill cation diffusion and back currents observed in conventional cation-selective membranes. This adaptive behavior yields a 4.6-fold increase in output power density in Ca2+-rich environments. These findings advance the design of biomimetic nanochannels with unparalleled ion selectivity and enhanced energy conversion efficiency
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|a Journal Article
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|a covalent organic framework
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| 650 |
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4 |
|a energy conversion
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| 650 |
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4 |
|a host‐guest assembly
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| 650 |
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4 |
|a ion permselectivity
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| 650 |
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4 |
|a sodium ion channel
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| 700 |
1 |
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|a Xing, Zhiwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Huaxi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lai, Zhuozhi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yi, Jiaming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Di
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dai, Zhifeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Li
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Sai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Shengqian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Qi
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 37(2025), 20 vom: 28. Mai, Seite e2420636
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
8 |
|g volume:37
|g year:2025
|g number:20
|g day:28
|g month:05
|g pages:e2420636
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202420636
|3 Volltext
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