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Surfactant assisted synthesis of hierarchical porous metal-organic frameworks nanosheets
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK). Assiut University, Egypt.ORCID iD: 0000-0002-3106-8302
Number of Authors: 12019 (English)In: Nanotechnology, ISSN 0957-4484, E-ISSN 1361-6528, Vol. 30, no 43, article id 435601Article in journal (Refereed) Published
Abstract [en]

Two-dimensional metal-organic frameworks show increasing research attention due to their unique properties including tunable thickness, simple packing into a film and membrane, and high surface-to-volume atom ratios. A bottom-up synthesis strategy using cetyltrimethylammonium bromide for the synthesis of copper-benzenedicarboxylate (Cu(BDC)) nanosheets is reported. The method offers the synthesis of hierarchical porous Cu(BDC) lamellae with micrometer lateral dimensions, and nanometer thickness (100-150 nm). Electron microscope (scanning and transmission), and N-2 adsorption isotherms confirm the formation of lamellae Cu(BDC) with mesopore size of 5-80 nm. The material has thermal stability up to 400 degrees C with good chemical stability in several organic solvents. However, the material transforms to another phase (Cu(BDC)(H2O)(2)) when soaked in water and alcohols. The transformation reduces crystal size and offers the formation of hydrogen bond resulting in an increase in the sorption of CO2 by similar to 10% compared to the pristine material Cu(BDC).

Place, publisher, year, edition, pages
2019. Vol. 30, no 43, article id 435601
Keywords [en]
2D materials, metal-organic frameworks, layer materials
National Category
Physical Sciences Chemical Sciences Materials Engineering Nano Technology
Identifiers
URN: urn:nbn:se:su:diva-172946DOI: 10.1088/1361-6528/ab30f6ISI: 000480326300001PubMedID: 31292286OAI: oai:DiVA.org:su-172946DiVA, id: diva2:1352315
Available from: 2019-09-18 Created: 2019-09-18 Last updated: 2019-09-18Bibliographically approved

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Abdelhamid, Hani Nasser
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