Cifre-Herrando M, Roselló-Márquez G, Navarro-Gázquez PJ, Muñoz-Portero MJ, Blasco-Tamarit E, García-Antón J. Characterization and Comparison of WO
3/WO
3-MoO
3 and TiO
2/TiO
2-ZnO Nanostructures for Photoelectrocatalytic Degradation of the Pesticide Imazalil.
NANOMATERIALS (BASEL, SWITZERLAND) 2023;
13:2584. [PMID:
37764613 PMCID:
PMC10535956 DOI:
10.3390/nano13182584]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/13/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023]
Abstract
Tungsten oxide (WO3) and zinc oxide (ZnO) are n-type semiconductors with numerous applications in photocatalysis. The objective of this study was to synthesize and characterize different types of nanostructures (WO3, WO3-Mo, TiO2, and TiO2-ZnO) for a comparison of hybrid and pure nanostructures to use them as a photoanodes for photoelectrocatalytic degradation of emerging contaminants. With the aim of comparing the properties of both samples, field emission scanning electron microscopy (FE-SEM) and confocal laser-Raman spectroscopy were used to study the morphology, composition, and crystallinity, respectively. Electrochemical impedances, Mott-Schottky, and water splitting measurements were performed to compare the photoelectrochemical properties of photoanodes. Finally, the photoelectrocatalytic degradation of the pesticide Imazalil was carried out with the best optimized nanostructure (TiO2-ZnO).
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