The Impact of Synthesis Method on the Properties and CO2 Sorption Capacity of UiO-66(Ce)

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Title: The Impact of Synthesis Method on the Properties and CO2 Sorption Capacity of UiO-66(Ce)
Authors: Stawowy, Michalina | Róziewicz, Maciej | Szczepańska, Ewa | Silvestre-Albero, Joaquín | Zawadzki, Mirosław | Musioł, Marta | Łuzny, Rafał | Kaczmarczyk, Jan | Trawczyński, Janusz | Łamacz, Agata
Research Group/s: Materiales Avanzados
Center, Department or Service: Universidad de Alicante. Departamento de Química Inorgánica | Universidad de Alicante. Instituto Universitario de Materiales
Keywords: UiO-66 | Cerium | CO2 adsorption | Sonochemical synthesis
Knowledge Area: Química Inorgánica
Issue Date: 29-Mar-2019
Publisher: MDPI
Citation: Stawowy M, Róziewicz M, Szczepańska E, Silvestre-Albero J, Zawadzki M, Musioł M, Łuzny R, Kaczmarczyk J, Trawczyński J, Łamacz A. The Impact of Synthesis Method on the Properties and CO2 Sorption Capacity of UiO-66(Ce). Catalysts. 2019; 9(4):309. doi:10.3390/catal9040309
Abstract: A series of cerium-based UiO-66 was obtained via hydrothermal and sonochemical methods, using the same quantities of reagents (cerium ammonium nitrate (CAN), terephthalic acid (H2BDC)) and solvents) in each synthesis. The impact of synthesis method and metal to linker ratio on the structural and textural properties of obtained UiO-66(Ce), as well as their composition in terms of Ce4+/Ce3+ ratio, structure defects resulting from missing linker, and CO2 adsorption capacity was discussed. By using typical characterization techniques and methods, such as XRD, N2 and CO2 sorption, TGA, XPS, and SEM, it was shown that the agitation of reacting mixture during synthesis (caused by stirring or ultrasounds) allows to obtain structures that have more developed surfaces and fewer linker defects than when MOF was obtained in static conditions. The specific surface area was found to be of minor importance in the context of CO2 adsorption than the contribution of Ce3+ ions that were associated with the concentration of linker defects.
Sponsor: This work was financed by a statutory activity subsidy from the Polish Ministry of Science and Higher Education for the Faculty of Chemistry of Wrocław University of Technology and Project No 0402/0100/17.
URI: http://hdl.handle.net/10045/91503
ISSN: 2073-4344
DOI: 10.3390/catal9040309
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Peer Review: si
Publisher version: https://doi.org/10.3390/catal9040309
Appears in Collections:INV - LMA - Artículos de Revistas

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