Ultrathin Covalent Organic Framework Membranes Prepared by Rapid Electrophoretic Deposition

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Autoren

  • Rui Wang
  • Yisa Zhou
  • Ya Zhang
  • Jian Xue
  • Jürgen Caro
  • Haihui Wang

Organisationseinheiten

Externe Organisationen

  • South China University of Technology
  • Tsinghua University
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
Aufsatznummer2204894
Seitenumfang10
FachzeitschriftAdvanced materials
Jahrgang34
Ausgabenummer44
Frühes Online-Datum1 Sept. 2022
PublikationsstatusVeröffentlicht - 3 Nov. 2022

Abstract

Covalent organic frameworks (COFs) are a disruptive material platform for various novel applications including nanofiltration for water purification due to their excellent physicochemical features. Nevertheless, the currently available approaches for preparing COF membranes need stringent synthesis conditions, prolonged fabrication time, and tedious post-processing, leading to poor productivity. Herein, a simple and efficient layer-by-layer stacking assembly strategy is developed based on electrophoretic deposition (EPD) to rapidly generate ionic COF membranes due to the uniform driving force for nanosheet assembly. A new two-cell EPD design avoids the usual EPD problems such as bubbles and acidic/alkaline microenvironments in the near-electrode region in aqueous EPD processes. Ultrathin COF membranes with homogenous structures can be produced within several minutes. Consequently, the prepared COF membranes exhibit outstanding permselectivity and possess good stability and anti-pressure ability due to their uniform architecture and unique chemical composition.

ASJC Scopus Sachgebiete

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Ultrathin Covalent Organic Framework Membranes Prepared by Rapid Electrophoretic Deposition. / Wang, Rui; Zhou, Yisa; Zhang, Ya et al.
in: Advanced materials, Jahrgang 34, Nr. 44, 2204894, 03.11.2022.

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Wang, R., Zhou, Y., Zhang, Y., Xue, J., Caro, J., & Wang, H. (2022). Ultrathin Covalent Organic Framework Membranes Prepared by Rapid Electrophoretic Deposition. Advanced materials, 34(44), Artikel 2204894. https://doi.org/10.1002/adma.202204894
Wang R, Zhou Y, Zhang Y, Xue J, Caro J, Wang H. Ultrathin Covalent Organic Framework Membranes Prepared by Rapid Electrophoretic Deposition. Advanced materials. 2022 Nov 3;34(44):2204894. Epub 2022 Sep 1. doi: 10.1002/adma.202204894
Wang, Rui ; Zhou, Yisa ; Zhang, Ya et al. / Ultrathin Covalent Organic Framework Membranes Prepared by Rapid Electrophoretic Deposition. in: Advanced materials. 2022 ; Jahrgang 34, Nr. 44.
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title = "Ultrathin Covalent Organic Framework Membranes Prepared by Rapid Electrophoretic Deposition",
abstract = "Covalent organic frameworks (COFs) are a disruptive material platform for various novel applications including nanofiltration for water purification due to their excellent physicochemical features. Nevertheless, the currently available approaches for preparing COF membranes need stringent synthesis conditions, prolonged fabrication time, and tedious post-processing, leading to poor productivity. Herein, a simple and efficient layer-by-layer stacking assembly strategy is developed based on electrophoretic deposition (EPD) to rapidly generate ionic COF membranes due to the uniform driving force for nanosheet assembly. A new two-cell EPD design avoids the usual EPD problems such as bubbles and acidic/alkaline microenvironments in the near-electrode region in aqueous EPD processes. Ultrathin COF membranes with homogenous structures can be produced within several minutes. Consequently, the prepared COF membranes exhibit outstanding permselectivity and possess good stability and anti-pressure ability due to their uniform architecture and unique chemical composition.",
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note = "Funding Information: The authors gratefully acknowledge the funding from the National Key R&D Program of China (grant no. 2020YFB1505603), Natural Science Foundation of China (grant no. 22075086, 22138005, and 22141001), and the Guangdong Basic and Applied Basic Research Foundation (grant no. 2022A1515010980). ",
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Download

TY - JOUR

T1 - Ultrathin Covalent Organic Framework Membranes Prepared by Rapid Electrophoretic Deposition

AU - Wang, Rui

AU - Zhou, Yisa

AU - Zhang, Ya

AU - Xue, Jian

AU - Caro, Jürgen

AU - Wang, Haihui

N1 - Funding Information: The authors gratefully acknowledge the funding from the National Key R&D Program of China (grant no. 2020YFB1505603), Natural Science Foundation of China (grant no. 22075086, 22138005, and 22141001), and the Guangdong Basic and Applied Basic Research Foundation (grant no. 2022A1515010980).

PY - 2022/11/3

Y1 - 2022/11/3

N2 - Covalent organic frameworks (COFs) are a disruptive material platform for various novel applications including nanofiltration for water purification due to their excellent physicochemical features. Nevertheless, the currently available approaches for preparing COF membranes need stringent synthesis conditions, prolonged fabrication time, and tedious post-processing, leading to poor productivity. Herein, a simple and efficient layer-by-layer stacking assembly strategy is developed based on electrophoretic deposition (EPD) to rapidly generate ionic COF membranes due to the uniform driving force for nanosheet assembly. A new two-cell EPD design avoids the usual EPD problems such as bubbles and acidic/alkaline microenvironments in the near-electrode region in aqueous EPD processes. Ultrathin COF membranes with homogenous structures can be produced within several minutes. Consequently, the prepared COF membranes exhibit outstanding permselectivity and possess good stability and anti-pressure ability due to their uniform architecture and unique chemical composition.

AB - Covalent organic frameworks (COFs) are a disruptive material platform for various novel applications including nanofiltration for water purification due to their excellent physicochemical features. Nevertheless, the currently available approaches for preparing COF membranes need stringent synthesis conditions, prolonged fabrication time, and tedious post-processing, leading to poor productivity. Herein, a simple and efficient layer-by-layer stacking assembly strategy is developed based on electrophoretic deposition (EPD) to rapidly generate ionic COF membranes due to the uniform driving force for nanosheet assembly. A new two-cell EPD design avoids the usual EPD problems such as bubbles and acidic/alkaline microenvironments in the near-electrode region in aqueous EPD processes. Ultrathin COF membranes with homogenous structures can be produced within several minutes. Consequently, the prepared COF membranes exhibit outstanding permselectivity and possess good stability and anti-pressure ability due to their uniform architecture and unique chemical composition.

KW - electrophoretic deposition

KW - ionic covalent organic frameworks

KW - membrane separation

KW - molecular separation

KW - nanosheets

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