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SO3H-Containing Functional Carbon Materials: Synthesis, Structure, and Acid Catalysis
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Umeå University, Faculty of Science and Technology, Department of Chemistry. Laboratory of Industrial Chemistry and Reaction Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Åbo-Turku, Finland.
2019 (English)In: Chemical Reviews, ISSN 0009-2665, E-ISSN 1520-6890Article in journal (Refereed) Epub ahead of print
Abstract [en]

The “sulfonated carbons” are a new class of metal-free solid protonic acids characterized by their unique carbon structure and Brønsted acidity (−H0 = 8–11) on par to concentrated H2SO4. These carbon materials covalently functionalized with SO3H groups via C–PhSO3H or C–SO3H linkages can act as versatile water-tolerant solid acids. Due to their low production costs, unique surface chemistry, high chemical and thermal stability, as well as tailorable pore structures they are regarded as potential substitutes to liquid H2SO4. Catalysis, in particular, biomass and large molecule catalysis, is one of the important areas in which acidic carbons have demonstrated exceptional activity and selectivity, outperforming traditional solid acid catalysts (cation-exchange resins, sulfated oxides, and acidic zeolites). In this review we address developments in the different types SO3H- and PhSO3H-functionalized acidic carbon materials, their structure, active sites, and surface properties, applications in catalysis, as well as activation and deactivation characteristics covering important literature since 2004. In particular, we aim to provide a systematic discussion on the specific merits and demerits of such materials obtained from different carbon precursors and functionalization methods which directly influence the structure–stability–acidic properties and catalytic performance.

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2019.
National Category
Inorganic Chemistry Materials Chemistry Other Chemistry Topics Chemical Process Engineering
Identifiers
URN: urn:nbn:se:umu:diva-163951DOI: 10.1021/acs.chemrev.9b00199PubMedID: 31589024Scopus ID: 2-s2.0-85073264267OAI: oai:DiVA.org:umu-163951DiVA, id: diva2:1359502
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Bio4EnergyAvailable from: 2019-10-09 Created: 2019-10-09 Last updated: 2019-10-24

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Konwar, Lakhya JyotiMikkola, Jyri-Pekka

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