Polyesterification-assisted interface engineering of carboxylate metal-organic frameworks membranes for selective gas separation.

Chao Ma, Ning Li, Lin Xu, Sa Wang, Juan Du, Jiandong Pang, Aibing Chen, Zhihua Qiao, Jingwei Hou

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Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

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9 authors.

Chao Ma *College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, Hebei, China.

Ning Li *State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University, Tianjin, China.

Lin XuState Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China.

Sa WangState Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China.

Juan DuCollege of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, Hebei, China.

Jiandong PangState Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, China.ORCID http://orcid.org/0000-0001-7546-5580

Aibing ChenCollege of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, Hebei, China. chen_ab@163.com.ORCID http://orcid.org/0000-0002-2764-5234

Zhihua QiaoState Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University, Tianjin, China. qiaozhihua@tiangong.edu.cn.ORCID http://orcid.org/0000-0003-2505-5318

Jingwei HouSchool of Chemical Engineering, The University of Queensland, St Lucia, QLD, Australia. jingwei.hou@uq.edu.au.ORCID http://orcid.org/0000-0001-9139-9835

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Metal-organic frameworks (MOFs) are promising membrane materials for molecular separations because of their well-defined porosity and tunable chemistry. However, their separation performance is often limited by grain boundaries and interfacial defects that introduce non-selective transport pathways. Here, we proposed an in-situ interfacial polyesterification-assisted bonding strategy for constructing MOF-rich self-standing membranes using triethanolamine (TEOA) in the UiO-66 system. Under thermal treatment, TEOA is proposed to induce localized interfacial reactions that generate anchored polyester species at MOF-MOF contacts, thereby enhancing particle bonding and suppressing non-selective interface defects. The resulting UiO-66 polyester membrane exhibits 92.7 wt% UiO-66 loading, a CO

Identifiers

PMID42637740

DOI10.1038/s41467-026-75937-2

PMCPMC13503876

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