The DOI matches its Crossref record; 61 of the 61 references it cites were found in a registry or an index.
Ultrathin Covalent Organic Framework Membranes via a Multi‐Interfacial Engineering Strategy for Gas Separation
Abstract
Covalent organic frameworks (COFs) are promising membrane materials due to their high porosity, ordered arrangements, and high stability. However, the relatively large pore size and complicated membrane preparation processes of COFs limit their applications in sieving small gas molecules, even at a lab scale. Herein, a multi‐interfacial engineering strategy is proposed, that is, direct layer‐by‐layer interfacial reaction of two COFs (TpPa‐SO 3 H and TpTG Cl) with different pore sizes to form narrowed apertures at the COF–COF interfaces atop a relatively large‐pore COF (COF‐LZU1) film. At 423 K, one fabricated 155 nm‐thick ultrathin COF membrane displays H 2 permeance as high as 2163 gas permeation units (GPU) and a H 2/CO 2 selectivity of 26, transcending the 2008 Robeson upper bound. This strategy not only provides high‐performance membrane candidates for H 2 separation, but also enlightens the interfacial engineering and pore engineering manipulation for other COFs, porous polymers, and their membranes.
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Cites
Porous, Crystalline, Covalent Organic Frameworks
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Seven chemical separations to change the world
Sholl, D. S., & Lively, R. P. (2016) · Nature · doi:10.1038/532435a · Cited by 4,769
Covalent Organic Frameworks: Design, Synthesis, and Functions
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Covalent organic frameworks: a materials platform for structural and functional designs
Huang, N., Wang, P., & Jiang, D. (2016) · Nature Reviews Materials · doi:10.1038/natrevmats.2016.68 · Cited by 2,017
Metal-organic framework nanosheets as building blocks for molecular sieving membranes
Peng, Y., Li, Y., Ban, Y., Jin, H., Jiao, W., Liu, X., & Yang, W. (2014) · Science · doi:10.1126/science.1254227 · Cited by 1,731
Polyamide membranes with nanoscale Turing structures for water purification
Tan, Z., Chen, S., Peng, X., Zhang, L., & Gao, C. (2018) · Science · doi:10.1126/science.aar6308 · Cited by 1,660
Covalent Organic Frameworks: Chemistry beyond the Structure
Kandambeth, S., Dey, K., & Banerjee, R. (2019) · Journal of the American Chemical Society · doi:10.1021/jacs.8b10334 · Cited by 1,575
Selective Gas Transport Through Few-Layered Graphene and Graphene Oxide Membranes
Kim, H. W., Yoon, H. W., Yoon, S.-M., Yoo, B. M., Ahn, B. K., Cho, Y. H., Shin, H. J., Yang, H., Paik, U., Kwon, S., et al. (2013) · Science · doi:10.1126/science.1236098 · Cited by 1,481
Self-citationUltrathin, Molecular-Sieving Graphene Oxide Membranes for Selective Hydrogen Separation
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Metadata
- Authors
- Ying, Y., Peh, S. B., Yang, H., Yang, Z., & Zhao, D.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2021-09-17
- Volume
- 34
- Issue
- 25
- Pages
- e2104946-e2104946
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W3199757981
- Cited by
- 258
- References
- 61
- FWCI
- 18.80
- Type
- journal article
- Language
- en
- Open access
- closed
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