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Ion Selectivity of Water Molecules in Subnanoporous Liquid- Crystalline Water-Treatment Membranes: A Structural Study of Hydrogen Bonding
https://repo.qst.go.jp/records/81555
https://repo.qst.go.jp/records/81555677a9076-10a9-4713-be4d-05817794eae3
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-01-05 | |||||
タイトル | ||||||
タイトル | Ion Selectivity of Water Molecules in Subnanoporous Liquid- Crystalline Water-Treatment Membranes: A Structural Study of Hydrogen Bonding | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Watanabe, Ryusuke
× Watanabe, Ryusuke× Sakamoto, Takeshi× Yamazoe, Kousuke× Miyawaki, Jun× Kato, Takashi× Harada, Yoshihisa× Jun, Miyawaki |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We demonstrate hydrogen-bonded structures of water in self-organized subnanoporous water treatment membranes obtained using synchrotron-based high-resolution soft X-ray emission spectroscopy. The ion selectivity of these water treatment membranes is usually understood by the size compatibility of nanochannels in the membrane with the Stokes radius of hydrated ions, or by electrostatic interaction between charges inside the nanochannels and such ions. However, based on a comparison between the hydrogenbonded structures of water molecules in the nanochannels of the water treatment membrane and those surrounding the ions, we propose a definite contribution of structural consistency among the associated hydrogen-bonded water molecules to the ion selectivity. Our observation delivers a novel concept to the design of water treatment membranes where water molecules in the nanochannel can be regarded as a part of the material that controls the ion selectivity. | |||||
書誌情報 |
Angewandte Chemie International Edition 巻 59, 号 52, p. 23461-23465, 発行日 2020-10 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1433-7851 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1002/anie.202008148 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://onlinelibrary.wiley.com/doi/10.1002/anie.202008148 |