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The photocatalytic properties of bare and modified TiO2\u2013P25 were studied for water purification (photooxidation of organic compounds such as phenol and 2-propanol) and for hydrogen generation under visible light irradiation. Time resolved microwave conductivity signals showed activation of TiO2 under visible light, proving the injection of electrons from CuO nanoclusters to the conduction band of TiO2\u2013P25. The modified materials showed high photocatalytic activity under visible light. The important role of charge-carriers was demonstrated for both photoreduction and photooxidation reactions.<\/jats:p>","DOI":"10.1063\/5.0015277","type":"journal-article","created":{"date-parts":[[2020,7,15]],"date-time":"2020-07-15T11:55:06Z","timestamp":1594814106000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":34,"title":["Heterojunction of CuO nanoclusters with TiO2 for photo-oxidation of organic compounds and for hydrogen production"],"prefix":"10.1063","volume":"153","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2590-0358","authenticated-orcid":false,"given":"Maria Guadalupe","family":"M\u00e9ndez-Medrano","sequence":"first","affiliation":[{"name":"Institut de Chimie Physique, UMR 8000 CNRS, Universit\u00e9 Paris-Saclay 1 , 91405 Orsay, France"},{"name":"Advanced Materials Department, IPICYT 2 , 78216 San Luis Potosi, SLP, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0955-9268","authenticated-orcid":false,"given":"Ewa","family":"Kowalska","sequence":"additional","affiliation":[{"name":"Institute for Catalysis, Hokkaido University 3 , Sapporo 001-0021, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3935-1409","authenticated-orcid":false,"given":"Bunsho","family":"Ohtani","sequence":"additional","affiliation":[{"name":"Institute for Catalysis, Hokkaido University 3 , Sapporo 001-0021, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5015-7239","authenticated-orcid":false,"given":"Daniel","family":"Bahena Uribe","sequence":"additional","affiliation":[{"name":"Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional 4 , l07360 Mexico City, D.F., Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2343-5878","authenticated-orcid":false,"given":"Christophe","family":"Colbeau-Justin","sequence":"additional","affiliation":[{"name":"Institut de Chimie Physique, UMR 8000 CNRS, Universit\u00e9 Paris-Saclay 1 , 91405 Orsay, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9635-6009","authenticated-orcid":false,"given":"Sven","family":"Rau","sequence":"additional","affiliation":[{"name":"Institute for Inorganic Chemistry 1, Ulm University 5 , Albert-Einstein-Allee 11, 89081 Ulm, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2875-9022","authenticated-orcid":false,"given":"Jos\u00e9 Luis","family":"Rodr\u00edguez-L\u00f3pez","sequence":"additional","affiliation":[{"name":"Advanced Materials Department, IPICYT 2 , 78216 San Luis Potosi, SLP, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3698-9327","authenticated-orcid":false,"given":"Hynd","family":"Remita","sequence":"additional","affiliation":[{"name":"Institut de Chimie Physique, UMR 8000 CNRS, Universit\u00e9 Paris-Saclay 1 , 91405 Orsay, France"},{"name":"CNRS, Institut de Chimie Physique, UMR 8000 6 , 91405 Orsay, France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"317","published-online":{"date-parts":[[2020,7,15]]},"reference":[{"key":"2023080804003849700_c1","doi-asserted-by":"publisher","first-page":"8269","DOI":"10.1143\/jjap.44.8269","volume":"44","year":"2005","journal-title":"Jpn. 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