Ordered crown-ether 2D framework based loose nanofiltration membranes for improved separation and stability
Loose nanofiltration (LNF) membranes, known for high water permeability and dye/salt selectivity, have been widely used. However, LNF membranes fabricated through layer-by-layer (LbL) assembly lack structural stability and uniformity. Herein, we employed a 2D crown-ether framework (C 2 O) for LbL as...
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| Veröffentlicht in: | Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2024-12, Vol.13 (1), p.184-189 |
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| container_title | Journal of materials chemistry. A, Materials for energy and sustainability |
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| creator | Kim, Jae Jun Seo, Huiran Kim, Jinseok Kim, Mun Hyeon Park, Jinwook Hong, Hyunkee Kim, Hee Joong Lee, Jong-Chan |
| description | Loose nanofiltration (LNF) membranes, known for high water permeability and dye/salt selectivity, have been widely used. However, LNF membranes fabricated through layer-by-layer (LbL) assembly lack structural stability and uniformity. Herein, we employed a 2D crown-ether framework (C
2
O) for LbL assembly due to its physical stability, uniform pores, and chemical robustness. The LbL membrane exhibited a high water permeance of 39 L m
−2
h
−1
bar
−1
, excellent dye rejection of 99.8% for methyl blue (MB) and congo red (CR), and 99.7% for eriochrome black T (EBT), as well as superior dye/salt selectivity (EBT/NaCl selectivity of 295). Furthermore, the membrane showed remarkable stability under varying pH conditions and throughout prolonged operation.
A loose nanofiltration membrane with a 2D crown-ether framework (C
2
O) shows high water permeability (39 L m
−2
h
−1
bar
−1
), excellent dye/salt selectivity (EBT/NaCl selectivity of 295), and remarkable stability under varying pH conditions. |
| doi_str_mv | 10.1039/d4ta06349j |
| format | Article |
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2
O) for LbL assembly due to its physical stability, uniform pores, and chemical robustness. The LbL membrane exhibited a high water permeance of 39 L m
−2
h
−1
bar
−1
, excellent dye rejection of 99.8% for methyl blue (MB) and congo red (CR), and 99.7% for eriochrome black T (EBT), as well as superior dye/salt selectivity (EBT/NaCl selectivity of 295). Furthermore, the membrane showed remarkable stability under varying pH conditions and throughout prolonged operation.
A loose nanofiltration membrane with a 2D crown-ether framework (C
2
O) shows high water permeability (39 L m
−2
h
−1
bar
−1
), excellent dye/salt selectivity (EBT/NaCl selectivity of 295), and remarkable stability under varying pH conditions.</description><identifier>ISSN: 2050-7488</identifier><identifier>EISSN: 2050-7496</identifier><identifier>DOI: 10.1039/d4ta06349j</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Assembly ; Dyes ; Membrane permeability ; Membranes ; Nanofiltration ; Nanotechnology ; Sodium chloride ; Structural stability</subject><ispartof>Journal of materials chemistry. A, Materials for energy and sustainability, 2024-12, Vol.13 (1), p.184-189</ispartof><rights>Copyright Royal Society of Chemistry 2025</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c170t-97b909a833664d3ee81c48a8a7ba1b12eeae51f217ee84dcbb1e0947443f38793</cites><orcidid>0000-0002-5587-1183 ; 0000-0001-6297-1636</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Kim, Jae Jun</creatorcontrib><creatorcontrib>Seo, Huiran</creatorcontrib><creatorcontrib>Kim, Jinseok</creatorcontrib><creatorcontrib>Kim, Mun Hyeon</creatorcontrib><creatorcontrib>Park, Jinwook</creatorcontrib><creatorcontrib>Hong, Hyunkee</creatorcontrib><creatorcontrib>Kim, Hee Joong</creatorcontrib><creatorcontrib>Lee, Jong-Chan</creatorcontrib><title>Ordered crown-ether 2D framework based loose nanofiltration membranes for improved separation and stability</title><title>Journal of materials chemistry. A, Materials for energy and sustainability</title><description>Loose nanofiltration (LNF) membranes, known for high water permeability and dye/salt selectivity, have been widely used. However, LNF membranes fabricated through layer-by-layer (LbL) assembly lack structural stability and uniformity. Herein, we employed a 2D crown-ether framework (C
2
O) for LbL assembly due to its physical stability, uniform pores, and chemical robustness. The LbL membrane exhibited a high water permeance of 39 L m
−2
h
−1
bar
−1
, excellent dye rejection of 99.8% for methyl blue (MB) and congo red (CR), and 99.7% for eriochrome black T (EBT), as well as superior dye/salt selectivity (EBT/NaCl selectivity of 295). Furthermore, the membrane showed remarkable stability under varying pH conditions and throughout prolonged operation.
A loose nanofiltration membrane with a 2D crown-ether framework (C
2
O) shows high water permeability (39 L m
−2
h
−1
bar
−1
), excellent dye/salt selectivity (EBT/NaCl selectivity of 295), and remarkable stability under varying pH conditions.</description><subject>Assembly</subject><subject>Dyes</subject><subject>Membrane permeability</subject><subject>Membranes</subject><subject>Nanofiltration</subject><subject>Nanotechnology</subject><subject>Sodium chloride</subject><subject>Structural stability</subject><issn>2050-7488</issn><issn>2050-7496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNpFkE1LAzEQhoMoWGov3oWAN2E12WQ3ybG0flLopZ6Xye4sbru7qcnW0n9vtEXnMjO8D_PxEnLN2T1nwjxUcgCWC2nWZ2SUsowlSpr8_K_W-pJMQlizGJqx3JgR2Sx9hR4rWnq37xMcPtDTdE5rDx3und9QCyHKrXMBaQ-9q5t28DA0rqcddtZDj4HWztOm23r3FdmAWzgR0Md2ANu0zXC4Ihc1tAEnpzwm70-Pq9lLslg-v86mi6Tkig2JUdYwA1qIPJeVQNS8lBo0KAvc8hQRMON1ylWUZFVay5EZqaQUtdDKiDG5Pc6N93zuMAzF2u18H1cWgsssF1lmVKTujlT8PASPdbH1TQf-UHBW_PhZzOVq-uvnW4RvjrAP5R_377f4Bgtfc2k</recordid><startdate>20241217</startdate><enddate>20241217</enddate><creator>Kim, Jae Jun</creator><creator>Seo, Huiran</creator><creator>Kim, Jinseok</creator><creator>Kim, Mun Hyeon</creator><creator>Park, Jinwook</creator><creator>Hong, Hyunkee</creator><creator>Kim, Hee Joong</creator><creator>Lee, Jong-Chan</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7SR</scope><scope>7ST</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>JG9</scope><scope>L7M</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-5587-1183</orcidid><orcidid>https://orcid.org/0000-0001-6297-1636</orcidid></search><sort><creationdate>20241217</creationdate><title>Ordered crown-ether 2D framework based loose nanofiltration membranes for improved separation and stability</title><author>Kim, Jae Jun ; Seo, Huiran ; Kim, Jinseok ; Kim, Mun Hyeon ; Park, Jinwook ; Hong, Hyunkee ; Kim, Hee Joong ; Lee, Jong-Chan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c170t-97b909a833664d3ee81c48a8a7ba1b12eeae51f217ee84dcbb1e0947443f38793</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Assembly</topic><topic>Dyes</topic><topic>Membrane permeability</topic><topic>Membranes</topic><topic>Nanofiltration</topic><topic>Nanotechnology</topic><topic>Sodium chloride</topic><topic>Structural stability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Jae Jun</creatorcontrib><creatorcontrib>Seo, Huiran</creatorcontrib><creatorcontrib>Kim, Jinseok</creatorcontrib><creatorcontrib>Kim, Mun Hyeon</creatorcontrib><creatorcontrib>Park, Jinwook</creatorcontrib><creatorcontrib>Hong, Hyunkee</creatorcontrib><creatorcontrib>Kim, Hee Joong</creatorcontrib><creatorcontrib>Lee, Jong-Chan</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Journal of materials chemistry. A, Materials for energy and sustainability</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kim, Jae Jun</au><au>Seo, Huiran</au><au>Kim, Jinseok</au><au>Kim, Mun Hyeon</au><au>Park, Jinwook</au><au>Hong, Hyunkee</au><au>Kim, Hee Joong</au><au>Lee, Jong-Chan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ordered crown-ether 2D framework based loose nanofiltration membranes for improved separation and stability</atitle><jtitle>Journal of materials chemistry. A, Materials for energy and sustainability</jtitle><date>2024-12-17</date><risdate>2024</risdate><volume>13</volume><issue>1</issue><spage>184</spage><epage>189</epage><pages>184-189</pages><issn>2050-7488</issn><eissn>2050-7496</eissn><abstract>Loose nanofiltration (LNF) membranes, known for high water permeability and dye/salt selectivity, have been widely used. However, LNF membranes fabricated through layer-by-layer (LbL) assembly lack structural stability and uniformity. Herein, we employed a 2D crown-ether framework (C
2
O) for LbL assembly due to its physical stability, uniform pores, and chemical robustness. The LbL membrane exhibited a high water permeance of 39 L m
−2
h
−1
bar
−1
, excellent dye rejection of 99.8% for methyl blue (MB) and congo red (CR), and 99.7% for eriochrome black T (EBT), as well as superior dye/salt selectivity (EBT/NaCl selectivity of 295). Furthermore, the membrane showed remarkable stability under varying pH conditions and throughout prolonged operation.
A loose nanofiltration membrane with a 2D crown-ether framework (C
2
O) shows high water permeability (39 L m
−2
h
−1
bar
−1
), excellent dye/salt selectivity (EBT/NaCl selectivity of 295), and remarkable stability under varying pH conditions.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d4ta06349j</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-5587-1183</orcidid><orcidid>https://orcid.org/0000-0001-6297-1636</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2050-7488 |
| ispartof | Journal of materials chemistry. A, Materials for energy and sustainability, 2024-12, Vol.13 (1), p.184-189 |
| issn | 2050-7488 2050-7496 |
| language | eng |
| recordid | cdi_crossref_primary_10_1039_D4TA06349J |
| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Assembly Dyes Membrane permeability Membranes Nanofiltration Nanotechnology Sodium chloride Structural stability |
| title | Ordered crown-ether 2D framework based loose nanofiltration membranes for improved separation and stability |
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