{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T12:55:51Z","timestamp":1775825751402,"version":"3.50.1"},"reference-count":33,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2024,1,20]],"date-time":"2024-01-20T00:00:00Z","timestamp":1705708800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia","award":["UIDB\/00100\/2020"],"award-info":[{"award-number":["UIDB\/00100\/2020"]}]},{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia","award":["UIDP\/00100\/2020"],"award-info":[{"award-number":["UIDP\/00100\/2020"]}]},{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e Tecnologia","award":["LA\/P\/0056\/2020"],"award-info":[{"award-number":["LA\/P\/0056\/2020"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>Hierarchical ZSM5 and Y zeolites were prepared through a surfactant-mediated strategy with NH4OH changing the duration of the treatment and the amount of CTAB surfactant and taking as reference multiples of the critical micellar concentration (CMC). The materials were characterized using powder X-ray diffraction, N2 adsorption isotherms at \u2212196 \u00b0C, and SEM and TEM microscopy. The catalytic performance was evaluated in Friedel\u2013Crafts acylation of furan with acetic anhydride at 80 \u00b0C. The alkaline surfactant-mediated treatment had different effects on the two zeolites. For ZSM5, the CTAB molecular aggregates can hardly diffuse inside the medium-size pores, leading mainly to intercrystalline mesoporosity and increased external surface area, with no positive catalytic impact. On the other hand, for large-pore Y zeolite, the CTAB molecular aggregates can easily diffuse and promote the rearrangement of crystal units around micelles, causing the enlargement of the pores, i.e., intracrystalline porosity. The optimized Y-based sample, treated for 12 h with a CTAB amount 32 times the CMC, shows an increase in product yield and rate constant that was not observed when a higher amount of surfactant was added. The reuse of spent catalysts upon thermal treatment at 400 \u00b0C shows a regeneration efficiency around 90%, showing good potentialities for the modified catalysts.<\/jats:p>","DOI":"10.3390\/molecules29020517","type":"journal-article","created":{"date-parts":[[2024,1,22]],"date-time":"2024-01-22T11:36:41Z","timestamp":1705923401000},"page":"517","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Hierarchical Zeolites Prepared Using a Surfactant-Mediated Strategy: ZSM-5 vs. Y as Catalysts for Friedel\u2013Crafts Acylation Reaction"],"prefix":"10.3390","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1637-478X","authenticated-orcid":false,"given":"Angela","family":"Martins","sequence":"first","affiliation":[{"name":"Departamento de Engenharia Qu\u00edmica, Instituto Superior de Engenharia de Lisboa, IPL, R. Conselheiro Em\u00eddio Navarro, 1, 1959-007 Lisboa, Portugal"},{"name":"Centro de Qu\u00edmica Estrutural, Faculdade de Ci\u00eancias, Institute of Molecular Sciences, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal"}]},{"given":"Beatriz","family":"Amaro","sequence":"additional","affiliation":[{"name":"Departamento de Engenharia Qu\u00edmica, Instituto Superior de Engenharia de Lisboa, IPL, R. Conselheiro Em\u00eddio Navarro, 1, 1959-007 Lisboa, Portugal"}]},{"given":"M. Soledade C. S.","family":"Santos","sequence":"additional","affiliation":[{"name":"Centro de Qu\u00edmica Estrutural, Faculdade de Ci\u00eancias, Institute of Molecular Sciences, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal"},{"name":"Departamento de Qu\u00edmica e Bioqu\u00edmica, Faculdade de Ci\u00eancias Universidade de Lisboa, Ed.C8, Campo Grande, 1749-016 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4499-0379","authenticated-orcid":false,"given":"Nelson","family":"Nunes","sequence":"additional","affiliation":[{"name":"Departamento de Engenharia Qu\u00edmica, Instituto Superior de Engenharia de Lisboa, IPL, R. Conselheiro Em\u00eddio Navarro, 1, 1959-007 Lisboa, Portugal"},{"name":"Centro de Qu\u00edmica Estrutural, Faculdade de Ci\u00eancias, Institute of Molecular Sciences, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2196-412X","authenticated-orcid":false,"given":"Ruben","family":"Elvas-Leit\u00e3o","sequence":"additional","affiliation":[{"name":"Departamento de Engenharia Qu\u00edmica, Instituto Superior de Engenharia de Lisboa, IPL, R. Conselheiro Em\u00eddio Navarro, 1, 1959-007 Lisboa, Portugal"},{"name":"Centro de Qu\u00edmica Estrutural, Faculdade de Ci\u00eancias, Institute of Molecular Sciences, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal"}]},{"given":"Ana P.","family":"Carvalho","sequence":"additional","affiliation":[{"name":"Centro de Qu\u00edmica Estrutural, Faculdade de Ci\u00eancias, Institute of Molecular Sciences, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal"},{"name":"Departamento de Qu\u00edmica e Bioqu\u00edmica, Faculdade de Ci\u00eancias Universidade de Lisboa, Ed.C8, Campo Grande, 1749-016 Lisboa, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2024,1,20]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Sartori, G., and Maggi, R. (2009). 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Catal."}],"container-title":["Molecules"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/1420-3049\/29\/2\/517\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T13:46:20Z","timestamp":1760103980000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/1420-3049\/29\/2\/517"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,1,20]]},"references-count":33,"journal-issue":{"issue":"2","published-online":{"date-parts":[[2024,1]]}},"alternative-id":["molecules29020517"],"URL":"https:\/\/doi.org\/10.3390\/molecules29020517","relation":{},"ISSN":["1420-3049"],"issn-type":[{"value":"1420-3049","type":"electronic"}],"subject":[],"published":{"date-parts":[[2024,1,20]]}}}