Synthesis, characterization and photocatalytic activity of 1D TiO<inf>2</inf> nanostructures

Nanowire/nanorod TiO<inf>2</inf> structures of approximately 8 nm in diameter and around 1,000 nm long were synthesized by alkaline hydrothermal treatment of two different TiO<inf>2</inf> nanopowders. The first precursor was TiO<inf>2</inf> obtained by the sol-gel...

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Autor principal: Cabrera, J.
Otros Autores: Alarcón, H., López, A., Candal, R., Acosta, D., Rodriguez, J.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: IWA Publishing 2014
Acceso en línea:Registro en Scopus
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024 7 |2 scopus  |a 2-s2.0-84907711181 
024 7 |2 cas  |a pralidoxime mesilate, 154-97-2; rhodamine B, 81-88-9; titanium, 7440-32-6; titanium dioxide, 1317-70-0, 1317-80-2, 13463-67-7, 51745-87-0; Powders; rhodamine B; Rhodamines; Titanium; titanium dioxide 
040 |a Scopus  |b spa  |c AR-BaUEN  |d AR-BaUEN 
030 |a WSTED 
100 1 |a Cabrera, J. 
245 1 0 |a Synthesis, characterization and photocatalytic activity of 1D TiO<inf>2</inf> nanostructures 
260 |b IWA Publishing  |c 2014 
270 1 0 |m Rodriguez, J.; Universidad Nacional de IngenieríaPeru 
506 |2 openaire  |e Política editorial 
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504 |a Ollis, D.F., Pelizetti, E., Serpone, N., Destruction of water contaminants (1991) Environ. Sci. Technol., 25, pp. 1522-1529 
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504 |a Yamin, Y., Keller, N., Keller, V., WO<inf>3</inf>-modified TiO<inf>2</inf> nanotubes for photocatalytic elimination of methylethylketone under UVA and solar light irradiation (2012) J. Photochem. Photobiol. A: Chem., 245, pp. 43-57 
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520 3 |a Nanowire/nanorod TiO<inf>2</inf> structures of approximately 8 nm in diameter and around 1,000 nm long were synthesized by alkaline hydrothermal treatment of two different TiO<inf>2</inf> nanopowders. The first precursor was TiO<inf>2</inf> obtained by the sol-gel process (SG-TiO<inf>2</inf>); the second was the well-known commercial TiO<inf>2</inf> P-25 (P25-TiO<inf>2</inf>). Anatase-like 1D TiO<inf>2</inf> nanostructures were obtained in both cases. The one-dimensional (1D) nanostructures synthesized from SG-TiO<inf>2</inf> powders turned into rod-like nanostructures after annealing at 400 °C for 2 h. Conversely, the nanostructures synthesized from P25-TiO<inf>2</inf> preserved the tubular structure after annealing, displaying a higher Brunauer-Emmett-Teller surface area than the first system (279 and 97 m2/g, respectively). Despite the higher surface area shown by the 1D nanostructures, in both cases the photocatalytic activity was lower than for the P25-TiO<inf>2</inf> powder. However, the rod-like nanostructures obtained from SG-TiO<inf>2</inf> displayed slightly higher efficiency than the sol-gel prepared powders. The lower photocatalytic activity of the nanostructures with respect to P-25 can be associated with the lower crystallinity of 1D TiO<inf>2</inf> in both materials. © IWA Publishing 2014.  |l eng 
593 |a Universidad Nacional de Ingeniería, Lima, Peru 
593 |a Alcides López Instituto Peruano de Energía Nuclear, IPEN, Lima, Peru 
593 |a INQUIMAE, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina 
593 |a Instituto de Física, UNAM, México D.F., Mexico 
690 1 0 |a 1D TIO<INF>2</INF> NANOSTRUCTURES 
690 1 0 |a HYDROTHERMAL TREATMENT 
690 1 0 |a PHOTOCATALYTIC ACTIVITY 
690 1 0 |a NANOWIRES 
690 1 0 |a PHOTOCATALYSIS 
690 1 0 |a POWDERS 
690 1 0 |a SOL-GEL PROCESS 
690 1 0 |a 1-D NANOSTRUCTURES 
690 1 0 |a 1-D TIO 
690 1 0 |a BRUNAUER-EMMETT-TELLER SURFACE AREAS 
690 1 0 |a HIGHER EFFICIENCY 
690 1 0 |a HYDROTHERMAL TREATMENTS 
690 1 0 |a ONE DIMENSIONAL (1D) NANOSTRUCTURES 
690 1 0 |a PHOTOCATALYTIC ACTIVITIES 
690 1 0 |a TUBULAR STRUCTURES 
690 1 0 |a TITANIUM DIOXIDE 
690 1 0 |a 1 DIMENSIONAL TITANIUM OXIDE NANOSTRUCTURE 
690 1 0 |a PRALIDOXIME MESILATE 
690 1 0 |a RHODAMINE B 
690 1 0 |a TITANIUM DIOXIDE NANOPARTICLE 
690 1 0 |a UNCLASSIFIED DRUG 
690 1 0 |a NANOMATERIAL 
690 1 0 |a POWDER 
690 1 0 |a RHODAMINE 
690 1 0 |a TITANIUM 
690 1 0 |a TITANIUM DIOXIDE 
690 1 0 |a CATALYSIS 
690 1 0 |a CRYSTALLINITY 
690 1 0 |a HYDROTHERMAL ACTIVITY 
690 1 0 |a ONE-DIMENSIONAL MODELING 
690 1 0 |a OXIDE 
690 1 0 |a ADSORPTION 
690 1 0 |a ARTICLE 
690 1 0 |a CONTROLLED STUDY 
690 1 0 |a DEGRADATION 
690 1 0 |a FIELD EMISSION SCANNING ELECTRON MICROSCOPY 
690 1 0 |a FOURIER TRANSFORMATION 
690 1 0 |a ION EXCHANGE 
690 1 0 |a PHOTOCATALYSIS 
690 1 0 |a SYNTHESIS 
690 1 0 |a THERMOSTABILITY 
690 1 0 |a TRANSMISSION ELECTRON MICROSCOPY 
690 1 0 |a X RAY DIFFRACTION 
690 1 0 |a CATALYSIS 
690 1 0 |a CHEMISTRY 
690 1 0 |a PARTICLE SIZE 
690 1 0 |a PHOTOLYSIS 
690 1 0 |a POWDER 
690 1 0 |a WATER MANAGEMENT 
690 1 0 |a CATALYSIS 
690 1 0 |a NANOSTRUCTURES 
690 1 0 |a PARTICLE SIZE 
690 1 0 |a PHOTOLYSIS 
690 1 0 |a POWDERS 
690 1 0 |a RHODAMINES 
690 1 0 |a TITANIUM 
690 1 0 |a WATER PURIFICATION 
700 1 |a Alarcón, H. 
700 1 |a López, A. 
700 1 |a Candal, R. 
700 1 |a Acosta, D. 
700 1 |a Rodriguez, J. 
773 0 |d IWA Publishing, 2014  |g v. 70  |h pp. 972-979  |k n. 6  |p Water Sci. Technol.  |x 02731223  |t Water Science and Technology 
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