Documents disponibles écrits par cet auteur

Enhanced charge separation in nanostructured TiO2 materials for photocatalytic and photovoltaic applications / He He in Industrial & engineering chemistry research, Vol. 51 N° 37 (Septembre 2012) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 51 N° 37 (Septembre 2012) . - pp. 11841–11849 Titre : Enhanced charge separation in nanostructured TiO2 materials for photocatalytic and photovoltaic applications Type de document : texte imprimé Auteurs : He He, Auteur ; Chao Liu, Auteur ; Kevin D. Dubois, Auteur Année de publication : 2012 Article en page(s) : pp. 11841–11849 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Photocatalytic  Photovoltaic Résumé : Titanium dioxide (TiO2) has been extensively investigated in solar energy applications, including heterogeneous photocatalysis and photovoltaics. For most TiO2 materials, charge recombination between photoexcited electrons and holes severely limits the efficiencies of solar energy conversion. Different strategies have been attempted to improve charge separation in TiO2 materials. This review focuses on three effective approaches to achieve enhanced charge separation by constructing mixed-phase TiO2, highly dispersed titanium oxides, and nanotubular TiO2 materials. Selected examples from the literature are discussed to demonstrate how the three approaches could be implemented in the context of photocatalytic water splitting, photocatalytic CO2 reduction, and dye-sensitized solar cells. The discussion provides useful insights regarding the design of new TiO2 nanostructures for use in solar energy conversion. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie300510n [article] Enhanced charge separation in nanostructured TiO2 materials for photocatalytic and photovoltaic applications [texte imprimé] / He He, Auteur ; Chao Liu, Auteur ; Kevin D. Dubois, Auteur . - 2012 . - pp. 11841–11849. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 37 (Septembre 2012) . - pp. 11841–11849 Mots-clés : Photocatalytic  Photovoltaic Résumé : Titanium dioxide (TiO2) has been extensively investigated in solar energy applications, including heterogeneous photocatalysis and photovoltaics. For most TiO2 materials, charge recombination between photoexcited electrons and holes severely limits the efficiencies of solar energy conversion. Different strategies have been attempted to improve charge separation in TiO2 materials. This review focuses on three effective approaches to achieve enhanced charge separation by constructing mixed-phase TiO2, highly dispersed titanium oxides, and nanotubular TiO2 materials. Selected examples from the literature are discussed to demonstrate how the three approaches could be implemented in the context of photocatalytic water splitting, photocatalytic CO2 reduction, and dye-sensitized solar cells. The discussion provides useful insights regarding the design of new TiO2 nanostructures for use in solar energy conversion. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie300510n