Towards single-species selectivity of membranes with subnanometre pores

R Epsztein, RM DuChanois, CL Ritt, A Noy… - Nature …, 2020 - nature.com
Synthetic membranes with pores at the subnanometre scale are at the core of processes for
separating solutes from water, such as water purification and desalination. While these …

Ion–ion selectivity of synthetic membranes with confined nanostructures

K Liu, R Epsztein, S Lin, J Qu, M Sun - ACS nano, 2024 - ACS Publications
Synthetic membranes featuring confined nanostructures have emerged as a prominent
category of leading materials that can selectively separate target ions from complex water …

Two-dimensional MXene membranes with biomimetic sub-nanochannels for enhanced cation sieving

R Xu, Y Kang, W Zhang, B Pan, X Zhang - Nature Communications, 2023 - nature.com
Membranes with high ion permeability and selectivity are of considerable interest for
sustainable water treatment, resource extraction and energy storage. Herein, inspired by K+ …

Intrapore energy barriers govern ion transport and selectivity of desalination membranes

X Zhou, Z Wang, R Epsztein, C Zhan, W Li… - Science …, 2020 - science.org
State-of-the-art desalination membranes exhibit high water-salt selectivity, but their ability to
discriminate between ions is limited. Elucidating the fundamental mechanisms underlying …

Critical knowledge gaps in mass transport through single-digit nanopores: A review and perspective

S Faucher, N Aluru, MZ Bazant… - The Journal of …, 2019 - ACS Publications
Not all nanopores are created equal. By definition, nanopores have characteristic diameters
or conduit widths between∼ 1 and 100 nm. However, the narrowest of such pores, perhaps …

Oriented UiO‐67 metal–organic framework membrane with fast and selective lithium‐ion transport

R Xu, Y Kang, W Zhang, X Zhang… - Angewandte Chemie …, 2022 - Wiley Online Library
Metal–organic frameworks (MOFs) membranes with high pore density and tunable pore size
down to the subnanoscale exhibit great potential in ion separation when appropriately …

Novel positively charged metal-coordinated nanofiltration membrane for lithium recovery

L Wang, D Rehman, PF Sun, A Deshmukh… - … Applied Materials & …, 2021 - ACS Publications
Nanofiltration (NF) with high water flux and precise separation performance with high
Li+/Mg2+ selectivity is ideal for lithium brine recovery. However, conventional polyamide …

Machine learning reveals key ion selectivity mechanisms in polymeric membranes with subnanometer pores

CL Ritt, M Liu, TA Pham, R Epsztein, HJ Kulik… - Science …, 2022 - science.org
Designing single-species selective membranes for high-precision separations requires a
fundamental understanding of the molecular interactions governing solute transport. Here …

Roles of anion–cation coupling transport and dehydration-induced ion–membrane interaction in precise separation of ions by nanofiltration membranes

X Zhai, YL Wang, R Dai, X Li… - Environmental Science & …, 2022 - ACS Publications
Nanofiltration (NF) membranes are playing increasingly crucial roles in addressing
emerging environmental challenges by precise separation, yet understanding of the …

Role of ionic charge density in donnan exclusion of monovalent anions by nanofiltration

R Epsztein, E Shaulsky, N Dizge… - … science & technology, 2018 - ACS Publications
The main objective of this study is to examine how the charge densities of four monovalent
anions—fluoride (F–), chloride (Cl–), bromide (Br–), and nitrate (NO3–)—influence their …