TY - JOUR
T1 - Mixed metal oxide Bi2O3/Bi2WO6 thin films for the photoelectrocatalytic degradation of histamine
AU - Aranda-Aguirre, Alejandro
AU - de Oca, Juan Montes
AU - Corzo, Alberto
AU - Garcia-Segura, Sergi
AU - Alarcon, Hugo
N1 - Funding Information: This work was supported by the Research Institute of the Universidad de Lima - IDIC-project . Publisher Copyright: © 2022 Elsevier B.V.
PY - 2022/8/15
Y1 - 2022/8/15
N2 - Photoelectrocatalytic technologies emerge as competitive strategy to manage increasing histamine concentrations. This work explores the synergistic benefits induced in the formation of mixed oxide semiconductor in solid solution. Photoelectrocatalytic films of Bi2O3, WO3, and their hybrid metal mixed oxide composition Bi2O3/Bi2WO6 were synthesized and characterized. Results demonstrate that Bi2O3/Bi2WO6 structure increases stability of charge carriers and enhances degradation performance. Applied bias potential was identified as driving variable that induces effective charge carrier stabilization for accelerated degradation of histamine in aqueous solution. Scavenger experiments identified •OH and O2•- as the main oxidant species produced during photoelectrocatalytic treatment.
AB - Photoelectrocatalytic technologies emerge as competitive strategy to manage increasing histamine concentrations. This work explores the synergistic benefits induced in the formation of mixed oxide semiconductor in solid solution. Photoelectrocatalytic films of Bi2O3, WO3, and their hybrid metal mixed oxide composition Bi2O3/Bi2WO6 were synthesized and characterized. Results demonstrate that Bi2O3/Bi2WO6 structure increases stability of charge carriers and enhances degradation performance. Applied bias potential was identified as driving variable that induces effective charge carrier stabilization for accelerated degradation of histamine in aqueous solution. Scavenger experiments identified •OH and O2•- as the main oxidant species produced during photoelectrocatalytic treatment.
KW - Bismuth oxide (BiO)
KW - Electrochemical advanced oxidation processes
KW - Electrochemical water treatment
KW - Nitrogenous organic compounds
KW - Tungsten oxide (WO)
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U2 - 10.1016/j.jelechem.2022.116528
DO - 10.1016/j.jelechem.2022.116528
M3 - Article
SN - 1572-6657
VL - 919
JO - Journal of Electroanalytical Chemistry
JF - Journal of Electroanalytical Chemistry
M1 - 116528
ER -