Issue 8, 2023

Graphene foam membranes with tunable pore size for next-generation reverse osmosis water desalination

Abstract

The development of carbon-based reverse osmosis membranes for water desalination is hindered by challenges in achieving a high pore density and controlling the pore size. We use molecular dynamics simulations to demonstrate that graphene foam membranes with a high pore density provide the possibility to tune the pore size by applying mechanical strain. As the pore size is found to be effectively reduced by a structural transformation under strain, graphene foam membranes are able to combine perfect salt rejection with unprecedented water permeability.

Graphical abstract: Graphene foam membranes with tunable pore size for next-generation reverse osmosis water desalination

Supplementary files

Article information

Article type
Communication
Submitted
08 okt 2022
Accepted
10 may 2023
First published
31 may 2023
This article is Open Access
Creative Commons BY-NC license

Nanoscale Horiz., 2023,8, 1082-1089

Graphene foam membranes with tunable pore size for next-generation reverse osmosis water desalination

D. T. Ho, T. P. N. Nguyen, A. Jangir and U. Schwingenschlögl, Nanoscale Horiz., 2023, 8, 1082 DOI: 10.1039/D2NH00475E

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