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Heterojunction of CuO nanoclusters with TiO2 for photo-oxidation of organic compounds and for hydrogen production

dc.contributor.authorMéndez Medrano, María Guadalupe
dc.contributor.authorKowalska, Ewa
dc.contributor.authorOhtani, Bunsho
dc.contributor.authorBahena Uribe, Daniel
dc.contributor.authorColbeau Justin, Christophe
dc.contributor.authorRau, Sven
dc.contributor.authorRodríguez López, José Luis
dc.contributor.authorRemita, Hynd
dc.date.accessioned2021-04-26T19:13:58Z
dc.date.available2021-04-26T19:13:58Z
dc.date.issued2020
dc.identifier.citationMendez Medrano, Maria; Kowalska, Ewa; Ohtani, Bunsho; Bahena, Daniel; Colbeau-Justin, Christophe; Rau, Sven; Rodriguez Lopez, Jose Luis; Remita, Hynd. (2020). Heterojunction of CuO nanoclusters with TiO2 for photo-oxidation of organic compounds and for hydrogen production. The Journal of Chemical Physics. 153, 034705 (2020); https://doi.org/10.1063/5.0015277.
dc.identifier.urihttp://hdl.handle.net/11627/5582
dc.description.abstract"Heterojunctions of small CuO nanoclusters (synthesized by radiolysis) with TiO2 (commercial P25) induced a photocatalytic activity under visible light irradiation in a wide range of wavelengths due to the narrow bandgap of CuO nanoclusters of around 1.7 eV. The optical, chemical, and electrical properties of these composite nanomaterials were studied. The photocatalytic properties of bare and modified TiO2–P25 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–P25. The modified materials showed high photocatalytic activity under visible light. The important role of charge-carriers was demonstrated for both photoreduction and photooxidation reactions."
dc.publisherAmerican Institute of Physics
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectSurface modification
dc.subjectTitanium-dioxide
dc.subjectNanoparticles
dc.subjectPhotocatalysis
dc.subjectAu
dc.subjectDegradation
dc.subjectCopper
dc.subjectCoposites
dc.subjectGeneration
dc.subjectDispersion
dc.subject.classificationQUÍMICA
dc.titleHeterojunction of CuO nanoclusters with TiO2 for photo-oxidation of organic compounds and for hydrogen production
dc.typearticle
dc.identifier.doihttps://doi.org/10.1063/5.0015277
dc.rights.accessdic-21


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Attribution-NonCommercial-NoDerivatives 4.0 Internacional
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