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Jouenne, V., Duvail, J.-L., Brohan, L., Gautron, E. & Richard-Plouet, M. (2015) Low-temperature synthesis and electrophoretic deposition of shape-controlled titanium dioxide nanocrystals. RSC Adv. 5 15118–15125. 
Added by: Laurent Cournède (2016-03-10 18:36:43)
Type de référence: Article
DOI: 10.1039/c4ra15736b
Numéro d'identification (ISBN etc.): 2046-2069
Clé BibTeX: Jouenne2015
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Catégories: PMN
Mots-clés: anatase, epd, gel, kinetics, Nanomaterials, nanoparticles, plastic substrate, sensitized solar-cells, thin-films, tio2 films
Créateurs: Brohan, Duvail, Gautron, Jouenne, Richard-Plouet
Collection: RSC Adv.
Consultations : 12/471
Indice de consultation : 2%
Indice de popularité : 0.5%
Résumé     
A comprehensive, low-temperature strategy for obtaining optimized, dense and nanostructured TiO2 thin films is proposed. The nanocrystals of anatase-TiO2 were prepared from highly reactive crystals of [Ti8O12(H2O)(24)]Cl-8, HCl, 7H(2)O, a preferred titanium precursor for replacing alkoxides. Oleic acid and oleylamine were employed as capping ligands in order to control the shape and the size of TiO2 nanocrystals during solvothermal treatment. Following an acid treatment, the ligands were removed from the surface of the nanocrystals, thereby enabling their re-dispersion in an ethanol-based charging solution. The stable transparent colloidal solutions were suitable for electrophoretic deposition of the nanocrystals ({<}15 nm in size) on conductive substrates. Transparent layers of TiO2 nanocrystals, without post-annealing, were successfully prepared under low bias voltage (10 V) with thicknesses of up to 2 mm within a mere 10 min.
Added by: Laurent Cournède  
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