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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202208903
|2 doi
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|a pubmed24n1164.xml
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|a (DE-627)NLM349477329
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|a (NLM)36434817
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Zhou, Shan
|e verfasserin
|4 aut
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|a Super-Assembled Multi-Level Asymmetric Mesochannels for Coupled Accelerated Dual-Ion Selective Transport
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 23.02.2023
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|a Date Revised 23.02.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Asymmetric nanofluidic devices hold great potential in energy conversion applications. However, most of the existing asymmetric nanofluidic devices remain a single-level asymmetric structure and a single-ion selective layer, which results in weak ion selectivity and limited energy conversion efficiency. Herein, a multi-level asymmetric mesoporous carbon/anodized aluminum/mesoporous silica (MC/AAO/MS) nanofluidic device with abundant and ordered mesochannels is constructed from super-assembly strategy. The resultant MC/AAO/MS exhibits diode-like ion transport and outstanding ion storage-release performance. Importantly, MC/AAO/MS couples the MC and MS dual-ion selective layers, which ensures a high ionic conductance and evidently enhances the cation selectivity. Thereby, the MC/AAO/MS demonstrates ascendant salinity gradient energy conversion performance. The power density and conversion efficiency can reach up to 5.37 W m-2 and 32.79%, respectively. Noteworthy, a good energy conversion performance of 63 mW m-2 can still be achieved upon high working area, outperforming 300% of the performance of MC/AAO and MS/AAO single-level asymmetric nanochannels. Theoretical calculation further verifies that the multi-level asymmetric structure and dual-ion selective transport are the reason for the enhanced cation selectivity and energy conversion efficiency. This work opens a new avenue for constructing multi-level asymmetric structured nanofluidic devices for various applications
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|a Journal Article
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|a dual-ion selectivity
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|a mesochannels
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|a multi-level asymmetry
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|a super-assembly
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1 |
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|a Xie, Lei
|e verfasserin
|4 aut
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1 |
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|a Zhang, Xin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yan, Miao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zeng, Hui
|e verfasserin
|4 aut
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|a Liang, Kang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Lei
|e verfasserin
|4 aut
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| 700 |
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|a Kong, Biao
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 7 vom: 01. Feb., Seite e2208903
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:7
|g day:01
|g month:02
|g pages:e2208903
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|u http://dx.doi.org/10.1002/adma.202208903
|3 Volltext
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