2D Nanosheets and Their Composite Membranes for Water, Gas, and Ion Separation

Angewandte Chemie
Seungju KimYoung Moo Lee

Abstract

Two-dimensional nanosheets have shown great potential for separation applications because of their exceptional molecular transport properties. Nanosheet materials such as graphene oxides, metal-organic frameworks, and covalent organic frameworks display unique, precise, and fast molecular transport through nanopores and/or nanochannels. However, the dimensional instability of nanosheets in harsh environments diminishes the membrane performance and hinders their long-term operation in various applications such as gas separation, water desalination, and ion separation. Recent progress in nanosheet membranes has included modification by crosslinking and functionalization that has improved the stability of the membranes, their separation functionality, and the scalability of membrane formation while the membranes' excellent molecular transport properties are retained. These improvements have enhanced the potential of nanosheet membranes in practical applications such as separation processes.

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Citations

May 6, 2020·Chemical Society Reviews·Jie LiBo Wang
Jun 3, 2020·Advanced Materials·Hüseyin Enis KarahanTae-Hyun Bae
Oct 24, 2020·Membranes·Lara LoskeHideto Matsuyama
Jan 5, 2021·Nanotechnologies in Russia·O K AlekseevaV N Fateev
Jan 6, 2021·Nature Communications·Hongwei FanJürgen Caro
Feb 27, 2021·Chemical Communications : Chem Comm·Yaohan ChenSuobo Zhang
Feb 24, 2021·Chemistry, an Asian Journal·Zhong-Yu RuanYong-Cong Ou
Mar 14, 2021·Nature Nanotechnology·Xiaofang Chen, Huanting Wang
Mar 27, 2021·ACS Applied Materials & Interfaces·Huiru ZhangSeth B Darling
Apr 1, 2020·Journal of the American Chemical Society·Hongwei FanJürgen Caro
Sep 10, 2021·Chemical Society Reviews·Yanan LiuZhongyi Jiang
Jan 18, 2022·Advanced Science·Jesús Á Martín-IllánFélix Zamora

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Methods Mentioned

BETA
amidation
AFM
thermal treatment

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