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Listar por palabra clave "Hydrodynamic conditions"

Mostrando ítems 1-8 de 8

Controlled hydrodynamic conditions on the formation of iron oxide nanostructures synthesized by electrochemical anodization: Effect of the electrode rotation speed

Lucas-Granados, Bianca; Sánchez Tovar, Rita; Fernández Domene, Ramón Manuel; Garcia-Anton, Jose (Elsevier, 2017-01-15)

[EN] Iron oxide nanostructures are of particular interest because they can be used as photocatalysts in water splitting due to their advantageous properties. Electrochemical anodization is one of the best techniques to ...
Enhancement of photoelectrochemical activity for water splitting by controlling hydrodynamic conditions on titanium anodization

Sánchez Tovar, Rita; Fernández Domene, Ramón Manuel; García-García, D.M.; García Antón, José (Elsevier, 2015-03-31)

This work studies the electrochemical and photoelectrochemical properties of a new type of TiO2 nanostructure (nanosponge) obtained by means of anodization in a glycerol/water/NH4F electrolyte under controlled hydrodynamic ...
Formation of ZnO nanowires by anodization under hydrodynamic conditions for photoelectrochemical water splitting

Batista-Grau, Patricia; Sánchez Tovar, Rita; Fernández Domene, Ramón Manuel; Garcia-Anton, Jose (Elsevier, 2020-01-15)

[EN] The present work studies the influence of hydrodynamic conditions (from 0 to 5000 rpm) during Zn anodization process on the morphology, structure and photoelectrocatalytic behavior of ZnO nanostructures. For this ...
Improvement in photocatalytic activity of stable WO3 nanoplatelet globular clusters arranged in a tree-like fashion: Influence of rotation velocity during anodization

Fernández Domene, Ramón Manuel; Sánchez Tovar, Rita; Lucas-Granados, Bianca; Garcia-Anton, Jose (Elsevier, 2016-07-15)

This study investigates the influence of controlled hydrodynamic conditions during anodization of tungsten (W) on the morphological, electrochemical and photocatalytic properties of a novel WO3 nanostructure: globular ...
Influence of Hydraulic Conductivity and Wellbore Design in the Fate and Transport of Nitrate in Multi-aquifer Systems

Mejía, Amanda; Cassiraga, Eduardo Fabián; Sahuquillo Herráiz, Andrés (Springer Verlag (Germany), 2012)

Nitrate concentrations in multi-aquifer systems are heavily affected by the presence of wellbores (active or abandoned) that are screened in several aquifers. The spatial variability of hydraulic conductivity in the confining ...
Novel tree-like WO3 nanoplatelets with very high surface area synthesized by anodization under controlled hydrodynamic conditions

Fernández Domene, Ramón Manuel; Sánchez Tovar, Rita; Segura Sanchis, Elena; Garcia-Anton, Jose (Elsevier, 2016-02-15)

In the present work, a new WO3 nanostructure has been obtained by anodization in a H2SO4/NaF electrolyte under controlled hydrodynamic conditions using a Rotating Disk Electrode (RDE) configuration. Anodized samples were ...
Photoelectrochemical characterization of anatase-rutile mixed TiO2 nanosponges

Fernández Domene, Ramón Manuel; Sánchez Tovar, Rita; Sanchez-Gonzalez, S.; García Antón, José (Elsevier, 2016-11-02)

This work studies the influence of using hydrodynamic conditions during anodization on the morphology and electrochemical properties of anatase/rutile mixed TiO2 nanotubes (Reynolds number, Re = 0) and nanosponges (Re > ...
Synergistic effect between hydrodynamic conditions during Ti anodization and acidic treatment on the photoelectric properties of TiO2 nanotubes

Sánchez Tovar, Rita; Fernández Domene, Ramón Manuel; Martinez Sanchez, Alejandro; Blasco Tamarit, María Encarnación; García-Antón, José (Elsevier, 2015-10)

In the present work, the combined influence of controlled hydrodynamic conditions during Ti anodization and the acidic treatment with HClO4 on the photoelectric properties of mixed anatase/rutile TiO2 nanotubes has been ...