Preparation of nanoparticulate TiO2 containing nanocrystalline phases of anatase and brookite by electrochemical dissolution of remelted titanium components

In this investigation, we present an efficient electrochemical methodology to prepare nano-particulate TiO2 having a nano-crystalline composition of 40% Anatase and 60% Brookite, without need for subsequent thermal treatments (which are typically applied to alter the amount of amorphicity). This...

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Autores principales: Ortega Díaz, D., Fernández, D., Sepúlveda, S., Lindeke, R. R., Pérez Bueno, J. J., Peláez Abellán, E., Manríquez, J.
Formato: Artículo
Lenguaje:inglés
Publicado: Elsevier 2020
Materias:
Acceso en línea:http://eprints.uanl.mx/20124/1/1-s2.0-S1878535218301631-main.pdf
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author Ortega Díaz, D.
Fernández, D.
Sepúlveda, S.
Lindeke, R. R.
Pérez Bueno, J. J.
Peláez Abellán, E.
Manríquez, J.
author_facet Ortega Díaz, D.
Fernández, D.
Sepúlveda, S.
Lindeke, R. R.
Pérez Bueno, J. J.
Peláez Abellán, E.
Manríquez, J.
author_sort Ortega Díaz, D.
collection Repositorio Institucional
description In this investigation, we present an efficient electrochemical methodology to prepare nano-particulate TiO2 having a nano-crystalline composition of 40% Anatase and 60% Brookite, without need for subsequent thermal treatments (which are typically applied to alter the amount of amorphicity). This procedure for oxide synthesis is novel as it involves the galvanostatic dissolution of remelted Titanium Components, thus constituting a promising technological route for re-using Titanium-containing metallic pieces from the secondary metals industry to produce nanocrystalline TiO2 powders as a high value-added primary product. The experimental results presented showed that the faradaic efficiency of the TiO2 electro-synthesis, crystalline purity, and dispersion of the electro-generated TiO2 material was significant, despite the fact that the titanium content of the remelted titanium components was less than 80%.
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spelling eprints-201242022-03-12T17:18:59Z http://eprints.uanl.mx/20124/ Preparation of nanoparticulate TiO2 containing nanocrystalline phases of anatase and brookite by electrochemical dissolution of remelted titanium components Ortega Díaz, D. Fernández, D. Sepúlveda, S. Lindeke, R. R. Pérez Bueno, J. J. Peláez Abellán, E. Manríquez, J. QD Química In this investigation, we present an efficient electrochemical methodology to prepare nano-particulate TiO2 having a nano-crystalline composition of 40% Anatase and 60% Brookite, without need for subsequent thermal treatments (which are typically applied to alter the amount of amorphicity). This procedure for oxide synthesis is novel as it involves the galvanostatic dissolution of remelted Titanium Components, thus constituting a promising technological route for re-using Titanium-containing metallic pieces from the secondary metals industry to produce nanocrystalline TiO2 powders as a high value-added primary product. The experimental results presented showed that the faradaic efficiency of the TiO2 electro-synthesis, crystalline purity, and dispersion of the electro-generated TiO2 material was significant, despite the fact that the titanium content of the remelted titanium components was less than 80%. Elsevier 2020 Article PeerReviewed text en cc_by_nc_nd http://eprints.uanl.mx/20124/1/1-s2.0-S1878535218301631-main.pdf http://eprints.uanl.mx/20124/1.haspreviewThumbnailVersion/1-s2.0-S1878535218301631-main.pdf Ortega Díaz, D. y Fernández, D. y Sepúlveda, S. y Lindeke, R. R. y Pérez Bueno, J. J. y Peláez Abellán, E. y Manríquez, J. (2020) Preparation of nanoparticulate TiO2 containing nanocrystalline phases of anatase and brookite by electrochemical dissolution of remelted titanium components. Arabian journal of chemistry, 13 (1). pp. 2858-2864. ISSN 1878-5352 http://doi.org/10.1016/J.ARABJC.2018.07.015 doi:10.1016/J.ARABJC.2018.07.015
spellingShingle QD Química
Ortega Díaz, D.
Fernández, D.
Sepúlveda, S.
Lindeke, R. R.
Pérez Bueno, J. J.
Peláez Abellán, E.
Manríquez, J.
Preparation of nanoparticulate TiO2 containing nanocrystalline phases of anatase and brookite by electrochemical dissolution of remelted titanium components
thumbnail https://rediab.uanl.mx/themes/sandal5/images/online.png
title Preparation of nanoparticulate TiO2 containing nanocrystalline phases of anatase and brookite by electrochemical dissolution of remelted titanium components
title_full Preparation of nanoparticulate TiO2 containing nanocrystalline phases of anatase and brookite by electrochemical dissolution of remelted titanium components
title_fullStr Preparation of nanoparticulate TiO2 containing nanocrystalline phases of anatase and brookite by electrochemical dissolution of remelted titanium components
title_full_unstemmed Preparation of nanoparticulate TiO2 containing nanocrystalline phases of anatase and brookite by electrochemical dissolution of remelted titanium components
title_short Preparation of nanoparticulate TiO2 containing nanocrystalline phases of anatase and brookite by electrochemical dissolution of remelted titanium components
title_sort preparation of nanoparticulate tio2 containing nanocrystalline phases of anatase and brookite by electrochemical dissolution of remelted titanium components
topic QD Química
url http://eprints.uanl.mx/20124/1/1-s2.0-S1878535218301631-main.pdf
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