Ultra-Fast Preparation of Large-Area Graphdiyne-Based Membranes via Alkynylated Surface-Modification for Nanofiltration

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

Autoren

  • Xingda Yang
  • Zhou Qu
  • Sen Li
  • Manhua Peng
  • Chunxi Li
  • Ruimao Hua
  • Hongwei Fan
  • Jürgen Caro
  • Hong Meng

Organisationseinheiten

Externe Organisationen

  • Beijing University of Chemical Technology
  • North China Electric Power University (NCEPU)
  • Xinjiang University
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
Aufsatznummere202217378
FachzeitschriftAngewandte Chemie - International Edition
Jahrgang62
Ausgabenummer17
Frühes Online-Datum24 Jan. 2023
PublikationsstatusVeröffentlicht - 5 Apr. 2023

Abstract

Graphdiynes (GDYs), two-dimensional graphene-like carbon systems, are considered as potential advanced membrane material due to their unique physicochemical features. Nevertheless, the scale-up of integrated GDY membranes is technologically challenging, and most studies remain at the theoretical stage. Herein, we report a simple and efficient alkynylated surface-mediated strategy to prepare hydrogen-substituted graphdiyne (HsGDY) membranes on commercial alumina tubes. Surface alkynylation initiates an accelerated surface-confined coupling reaction in the presence of a copper catalyst and facilitates the nanoscale epitaxial lateral growth of HsGDY. A continuous and ultra-thin HsGDY membrane (∼100 nm) can be produced within 15 min. The resulting membranes exhibit outstanding molecular sieving together with excellent water permeances (ca. 1100 L m−2 h−1 MPa−1), and show a long-term durability in cross-flow nanofiltration, owing to the superhydrophilic surface and hydrophobic pore walls.

ASJC Scopus Sachgebiete

Zitieren

Ultra-Fast Preparation of Large-Area Graphdiyne-Based Membranes via Alkynylated Surface-Modification for Nanofiltration. / Yang, Xingda; Qu, Zhou; Li, Sen et al.
in: Angewandte Chemie - International Edition, Jahrgang 62, Nr. 17, e202217378, 05.04.2023.

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

Yang X, Qu Z, Li S, Peng M, Li C, Hua R et al. Ultra-Fast Preparation of Large-Area Graphdiyne-Based Membranes via Alkynylated Surface-Modification for Nanofiltration. Angewandte Chemie - International Edition. 2023 Apr 5;62(17):e202217378. Epub 2023 Jan 24. doi: 10.1002/anie.202217378
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abstract = "Graphdiynes (GDYs), two-dimensional graphene-like carbon systems, are considered as potential advanced membrane material due to their unique physicochemical features. Nevertheless, the scale-up of integrated GDY membranes is technologically challenging, and most studies remain at the theoretical stage. Herein, we report a simple and efficient alkynylated surface-mediated strategy to prepare hydrogen-substituted graphdiyne (HsGDY) membranes on commercial alumina tubes. Surface alkynylation initiates an accelerated surface-confined coupling reaction in the presence of a copper catalyst and facilitates the nanoscale epitaxial lateral growth of HsGDY. A continuous and ultra-thin HsGDY membrane (∼100 nm) can be produced within 15 min. The resulting membranes exhibit outstanding molecular sieving together with excellent water permeances (ca. 1100 L m−2 h−1 MPa−1), and show a long-term durability in cross-flow nanofiltration, owing to the superhydrophilic surface and hydrophobic pore walls.",
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T1 - Ultra-Fast Preparation of Large-Area Graphdiyne-Based Membranes via Alkynylated Surface-Modification for Nanofiltration

AU - Yang, Xingda

AU - Qu, Zhou

AU - Li, Sen

AU - Peng, Manhua

AU - Li, Chunxi

AU - Hua, Ruimao

AU - Fan, Hongwei

AU - Caro, Jürgen

AU - Meng, Hong

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Y1 - 2023/4/5

N2 - Graphdiynes (GDYs), two-dimensional graphene-like carbon systems, are considered as potential advanced membrane material due to their unique physicochemical features. Nevertheless, the scale-up of integrated GDY membranes is technologically challenging, and most studies remain at the theoretical stage. Herein, we report a simple and efficient alkynylated surface-mediated strategy to prepare hydrogen-substituted graphdiyne (HsGDY) membranes on commercial alumina tubes. Surface alkynylation initiates an accelerated surface-confined coupling reaction in the presence of a copper catalyst and facilitates the nanoscale epitaxial lateral growth of HsGDY. A continuous and ultra-thin HsGDY membrane (∼100 nm) can be produced within 15 min. The resulting membranes exhibit outstanding molecular sieving together with excellent water permeances (ca. 1100 L m−2 h−1 MPa−1), and show a long-term durability in cross-flow nanofiltration, owing to the superhydrophilic surface and hydrophobic pore walls.

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