Visible-light photoelectrodegradation of diuron on WO3 nanostructures

descriptionPublicationkeyboard_double_arrow_right Article 01 Nov 2018 Spain English Publisher:Elsevier BVJournal:Journal of Environmental Management, volume 226, pages 249-255 (issn: 0301-4797,

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Authors: Fernández Domene, Ramón Manuel; Sánchez Tovar, Rita; Lucas Granados, Bianca; Muñoz Portero, María José; Ramírez-Grau, R.; Garcia-Anton, Jose;

doi: 10.1016/j.jenvman.2018.08.044

pmid: 30121460

handle: 10550/76831

Visible-light photoelectrodegradation of diuron on WO3 nanostructures

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Abstract

The degradation of pesticide diuron has been explored by photoelectrocatalysis (PEC) under visible light illumination using two different WO3 nanostructures, obtained by anodization of tungsten. The highest degradation efficiency (73%) was obtained for WO3 nanosheets synthesized in the presence of small amounts of hydrogen peroxide (0.05 M). For that nanostructure, the kinetic coefficient for diuron degradation was 133% higher than that for the other nanostructure (anodized in the presence of fluoride anions). These results have been explained by taking into account the different architecture and dimensions of the two WO3 nanostructures under study.

Country

Spain

Related Organizations

Universitat Politècnica de València
Spain
University of Valencia
Spain

Keywords

Nanoestructures, Light, Oxides, WO3 nanostructures, Anodization, INGENIERIA QUIMICA, Tungsten, Nanostructures, Electroquímica, Diuron, Photoelectrocatalysis, Pesticides

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