{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,14]],"date-time":"2026-03-14T08:45:37Z","timestamp":1773477937010,"version":"3.50.1"},"reference-count":57,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2020,1,15]],"date-time":"2020-01-15T00:00:00Z","timestamp":1579046400000},"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 a Tecnologia, Portugal","award":["2020-2023 multiannual funding to Centro de Qu\u00edmica Estrutural"],"award-info":[{"award-number":["2020-2023 multiannual funding to Centro de Qu\u00edmica Estrutural"]}]},{"name":"Tomsk Polytechnic University Competitiveness Enhancement Program","award":["project VIU-RSCBMT-65\/2019"],"award-info":[{"award-number":["project VIU-RSCBMT-65\/2019"]}]},{"name":"Russian Foundation of Basic Research","award":["project 18-29-24037"],"award-info":[{"award-number":["project 18-29-24037"]}]},{"name":"Spanish MINECO","award":["project CTQ2017-86170-Rare"],"award-info":[{"award-number":["project CTQ2017-86170-Rare"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nanomaterials"],"abstract":"<jats:p>The efficiency of Au\/TiO2 based catalysts in 1-phenylethanol oxidation was investigated. The role of support modifiers (La2O3 or CeO2), influence of gold loading (0.5% or 4%) and redox pretreatment atmosphere, catalyst recyclability, effect of oxidant: tert-butyl hydroperoxide (TBHP) or O2, as well as the optimization of experimental parameters of the reaction conditions in the oxidation of this alcohol were studied and compared with previous studies on 1-octanol oxidation. Samples were characterized by temperature-programmed oxygen desorption (O2-TPD) method. X-ray photoelectron spectroscopy (XPS) measurements were carried out for used catalysts to find out the reason for deactivation in 1-phenylethanol oxidation. The best catalytic characteristics were shown by catalysts modified with La2O3, regardless of the alcohol and the type of oxidant. When O2 was used, the catalysts with 0.5% Au, after oxidative pretreatment, showed the highest activity in both reactions. The most active catalysts in 1-phenylethanol oxidation with TBHP were those with 4% Au and the H2 treatment, while under the same reaction conditions, 0.5% Au and O2 treatment were beneficial in 1-octanol oxidation. Despite the different chemical nature of the substrates, it seems likely that Au+(Au\u03b4+) act as the active sites in both oxidative reactions. Density functional theory (DFT) simulations confirmed that the gold cationic sites play an essential role in 1-phenylethanol adsorption.<\/jats:p>","DOI":"10.3390\/nano10010151","type":"journal-article","created":{"date-parts":[[2020,1,17]],"date-time":"2020-01-17T04:14:41Z","timestamp":1579234481000},"page":"151","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Supported Gold Nanoparticles as Catalysts in Peroxidative and Aerobic Oxidation of 1-Phenylethanol under Mild Conditions"],"prefix":"10.3390","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2842-2542","authenticated-orcid":false,"given":"Ekaterina","family":"Pakrieva","sequence":"first","affiliation":[{"name":"Research School of Chemistry &amp; Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Lenin Av. 30, 634050 Tomsk, Russia"},{"name":"Centro de Qu\u00edmica Estrutural, Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal"},{"name":"Instituto de Cat\u00e1lisis y Petroleoqu\u00edmica, Consejo Superior de Investigaciones Cient\u00edficas, Marie Curie 2, 28049 Madrid, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4323-4328","authenticated-orcid":false,"given":"Ana","family":"P. C. Ribeiro","sequence":"additional","affiliation":[{"name":"Centro de Qu\u00edmica Estrutural, Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5150-6787","authenticated-orcid":false,"given":"Ekaterina","family":"Kolobova","sequence":"additional","affiliation":[{"name":"Research School of Chemistry &amp; Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Lenin Av. 30, 634050 Tomsk, Russia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5403-9352","authenticated-orcid":false,"given":"Lu\u00edsa","family":"M. D. R. S. Martins","sequence":"additional","affiliation":[{"name":"Centro de Qu\u00edmica Estrutural, Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9913-4671","authenticated-orcid":false,"given":"S\u00f3nia","family":"A. C. Carabineiro","sequence":"additional","affiliation":[{"name":"Centro de Qu\u00edmica Estrutural, Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal"}]},{"given":"Dmitrii","family":"German","sequence":"additional","affiliation":[{"name":"Research School of Chemistry &amp; Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Lenin Av. 30, 634050 Tomsk, Russia"}]},{"given":"Daria","family":"Pichugina","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Moscow State University, 1\u20133 Leninskiye Gory, 119991 Moscow, Russia"}]},{"given":"Ce","family":"Jiang","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Moscow State University, 1\u20133 Leninskiye Gory, 119991 Moscow, Russia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8323-888X","authenticated-orcid":false,"given":"Armando","family":"J. L. Pombeiro","sequence":"additional","affiliation":[{"name":"Centro de Qu\u00edmica Estrutural, Instituto Superior T\u00e9cnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal"}]},{"given":"Nina","family":"Bogdanchikova","sequence":"additional","affiliation":[{"name":"Centro de Nanocienciasy Nanotecnolog\u00eda, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Ensenada 22800, Mexico"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7479-215X","authenticated-orcid":false,"given":"Vicente","family":"Cort\u00e9s Corber\u00e1n","sequence":"additional","affiliation":[{"name":"Instituto de Cat\u00e1lisis y Petroleoqu\u00edmica, Consejo Superior de Investigaciones Cient\u00edficas, Marie Curie 2, 28049 Madrid, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9034-4733","authenticated-orcid":false,"given":"Alexey","family":"Pestryakov","sequence":"additional","affiliation":[{"name":"Research School of Chemistry &amp; Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Lenin Av. 30, 634050 Tomsk, Russia"}]}],"member":"1968","published-online":{"date-parts":[[2020,1,15]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"114","DOI":"10.1016\/j.inoche.2012.12.014","article-title":"Direct oxidation of alcohols to carboxylic acids over ruthenium hydride catalyst with diphenylsulfoxide oxidant","volume":"29","author":"Barati","year":"2013","journal-title":"Inorg. 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