Towards single-species selectivity of membranes with subnanometre pores
Abstract
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 membrane processes have achieved substantial industrial success, the capability of state-of-the-art membranes to selectively separate a single solute from a mixture of solutes is limited. Such high-precision separation would enable fit-for-purpose treatment, improving the sustainability of current water-treatment processes and opening doors for new applications of membrane technologies. In this paper, we introduce the challenges of state-of-the-art membranes with subnanometre pores to achieve high selectivity between solutes. Here, we then analyse experimental and theoretical literature to discuss the molecular-level mechanisms that contribute to energy barriers for solute transport through subnanometre pores. We conclude by providing principles and guidelines for designing next-generation single-species selective membranes that are inspired by ion-selective biological channels.
- Authors:
-
- Yale Univ., New Haven, CT (United States); Israel Inst. of Technology, Haifa (Israel)
- Yale Univ., New Haven, CT (United States)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of California, Merced, CA (United States)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Energy Frontier Research Centers (EFRC) (United States). Center for Enhanced Nanofluidic Transport (CENT)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1716592
- Alternate Identifier(s):
- OSTI ID: 1867080
- Report Number(s):
- LLNL-JRNL-816256
Journal ID: ISSN 1748-3395; 997018
- Grant/Contract Number:
- AC52-07NA27344; SC0019112
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nature Nanotechnology (Online)
- Additional Journal Information:
- Journal Name: Nature Nanotechnology (Online); Journal Volume: 15; Journal ID: ISSN 1748-3395
- Publisher:
- Springer Nature
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; chemical engineering; environmental, health and safety issues; 77 NANOSCIENCE AND NANOTECHNOLOGY
Citation Formats
Epsztein, Razi, DuChanois, Ryan M., Ritt, Cody L., Noy, Aleksandr, and Elimelech, Menachem. Towards single-species selectivity of membranes with subnanometre pores. United States: N. p., 2020.
Web. doi:10.1038/s41565-020-0713-6.
Epsztein, Razi, DuChanois, Ryan M., Ritt, Cody L., Noy, Aleksandr, & Elimelech, Menachem. Towards single-species selectivity of membranes with subnanometre pores. United States. https://doi.org/10.1038/s41565-020-0713-6
Epsztein, Razi, DuChanois, Ryan M., Ritt, Cody L., Noy, Aleksandr, and Elimelech, Menachem. Fri .
"Towards single-species selectivity of membranes with subnanometre pores". United States. https://doi.org/10.1038/s41565-020-0713-6. https://www.osti.gov/servlets/purl/1716592.
@article{osti_1716592,
title = {Towards single-species selectivity of membranes with subnanometre pores},
author = {Epsztein, Razi and DuChanois, Ryan M. and Ritt, Cody L. and Noy, Aleksandr and Elimelech, Menachem},
abstractNote = {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 membrane processes have achieved substantial industrial success, the capability of state-of-the-art membranes to selectively separate a single solute from a mixture of solutes is limited. Such high-precision separation would enable fit-for-purpose treatment, improving the sustainability of current water-treatment processes and opening doors for new applications of membrane technologies. In this paper, we introduce the challenges of state-of-the-art membranes with subnanometre pores to achieve high selectivity between solutes. Here, we then analyse experimental and theoretical literature to discuss the molecular-level mechanisms that contribute to energy barriers for solute transport through subnanometre pores. We conclude by providing principles and guidelines for designing next-generation single-species selective membranes that are inspired by ion-selective biological channels.},
doi = {10.1038/s41565-020-0713-6},
journal = {Nature Nanotechnology (Online)},
number = ,
volume = 15,
place = {United States},
year = {Fri Jun 12 00:00:00 EDT 2020},
month = {Fri Jun 12 00:00:00 EDT 2020}
}
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