Thin-Film Composite Membranes for Gas and Vapor Separation

A special issue of Membranes (ISSN 2077-0375). This special issue belongs to the section "Membrane Applications for Gas Separation".

Deadline for manuscript submissions: closed (10 March 2025) | Viewed by 2582

Special Issue Editors


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Guest Editor
Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
Interests: novel membrane materials for CO2 capture from flue gas and syngas; antifouling membranes for water purification; understanding of polymer struc-ture/property correlations in thin films
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Guest Editor Assistant
Department of Chemical and Biological Engineering, University at Buffalo, State University of New York, Buffalo, NY 14260, USA
Interests: carbon capture; thin-film composite membranes; mixed matrix membranes

Special Issue Information

Dear Colleagues,

Industrial thin-film composite (TFC) membranes with superior separation properties require a thin defect-free selective layer. However, the current literature predominantly focuses on the design of polymer architectures to obtain high permeability and selectivity, and there is a lack of studies focused on achieving TFC membranes with scalability and low-cost manufacturing. On the other hand, the structure and separation properties of polymers in the nanoscale need to be better understood.   

This Special Issue, titled “Thin-film Composite Membranes for Gas and Vapor Separation”, aims at collecting recent advancements in the development and application of TFC membranes for gas and vapor separations. Research articles, reviews, and communications on new polymer design, membrane fabrication, and membrane characterization are welcome. Given that mixed matrix materials constitute a promising avenue for achieving the dual objectives of high selectivity and permeance, original research studies on thin-film nanocomposite membranes and interfacial engineering between polymer, gutter layer, and nanofiller are also encouraged.

Dr. Gengyi Zhang
Prof. Dr. Haiqing Lin
Guest Editors

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Keywords

  • carbon capture
  • organic vapor separation
  • thin-film composite membranes
  • mixed matrix membranes
  • interfacial engineering

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Published Papers (1 paper)

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Research

10 pages, 2515 KiB  
Article
Controlled Growth of ZIF-8 Membranes on GO-Coated α-Alumina Supports via ZnO Atomic Layer Deposition for Improved Gas Separation
by Nahyeon Lee, Yun-Ho Ahn, Jaheon Kim and Kiwon Eum
Membranes 2024, 14(10), 216; https://doi.org/10.3390/membranes14100216 - 14 Oct 2024
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Abstract
This study presents a novel approach for fabricating ZIF-8 membranes supported on α-alumina hollow fibers through the introduction of a graphene oxide (GO) gutter layer and the application of zinc oxide (ZnO) Atomic Layer Deposition (ALD). The method successfully addressed key challenges, including [...] Read more.
This study presents a novel approach for fabricating ZIF-8 membranes supported on α-alumina hollow fibers through the introduction of a graphene oxide (GO) gutter layer and the application of zinc oxide (ZnO) Atomic Layer Deposition (ALD). The method successfully addressed key challenges, including excessive precursor penetration and membrane thickness. The introduction of the GO layer and subsequent ZnO ALD treatment significantly reduced membrane thickness to approximately 300 nm and eliminated delamination issues between the GO layer and the alumina support. The optimized membranes demonstrated enhanced propylene permeance, with values approximately three times higher than those of membranes without GO, and achieved higher separation factors, indicating minimal inter-crystalline defects. Notably, the GO layer influenced the microstructure, leading to an increase in permeance with rising temperatures. These findings highlight the potential of this strategy for developing high-performance ZIF-8 membranes for gas separation applications. Full article
(This article belongs to the Special Issue Thin-Film Composite Membranes for Gas and Vapor Separation)
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