http://www.cnr.it/ontology/cnr/individuo/prodotto/ID288612
Controllable one-pot synthesis of anatase TiO2 nanorods with the microwave-solvothermal method (Articolo in rivista)
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- Controllable one-pot synthesis of anatase TiO2 nanorods with the microwave-solvothermal method (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1166/sam.2014.1928 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Carlucci C.; Xu H.; Scremin B.F.; Giannini C.; Sibillano T.; Carlino E.; Videtta V.; Gigli G.; Ciccarella G. (literal)
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- National Nanotechnology Laboratory (NNL), Istituto Nanoscienze-CNR, Via Arnesano, 73100 Lecce, Italy; TU-NIMS Joint Research Center, School of Materials Science and Engineering, Tianjin University, Nankai District, Tianjin 300072, China; IC-CNR, Via Giovanni Amendola, 122/O, 70126 Bari, Italy; IOM-CNR Laboratorio TASC, Area Science Park Basovizza, Bld MM, SS 14, Km 163.5, 34149 Trieste, Italy; Center for Biomolecular Nanotechnologies (CBN), Italian Institute of Technology (IIT), Via Barsanti 1, 73010 Arnesano (LE), Italy; Dipartimento di Matematica e Fisica Ennio De Giorgi, Università del Salento, Via Monteroni, 73100, Lecce, Italy; Dipartimento di Ingegneria dell'Innovazione, Università del Salento, Via Monteroni, 73100, Lecce, Italy (literal)
- Titolo
- Controllable one-pot synthesis of anatase TiO2 nanorods with the microwave-solvothermal method (literal)
- Abstract
- In this study we evaluated an efficient microwave-solvothermal method to synthesize effective visible-light photocatalists based on the use of anatase TiO2 nanorods. The nanocrystals were obtained by hydrolysis of titanium tetraisopropoxide (TTIP) in the presence of benzyl alcohol at 210 C. The method was effective and produced TiO2 nanocrystals in the anatase phase with a rapid kinetics of crystallization. A significant size control was obtained tuning the TTIP to oleic acid molar ratio. High volumetric yield and reduced energy costs were achieved. All synthesized TiO2 nanocrystals showed a high photoactivity in comparison with commercial P25 titania, as they could degrade faster and completely Rhodamine B dye in solution under visible-light irradiation. The nanocrystals were characterized in detail by X-ray diffraction, low- and high-resolution transmission electron microscopy, microRaman and FT-IR spectroscopy. A distorted anatase structure due to oxygen vacancies was identified as being at the origin of the introduction of new energy levels into the anatase band gap, which probably promoted the visible-light photoactivity. (literal)
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