Enhanced visible light photocatalytic activity of C/La or Ce codoped ZnO nanostructures: Morphological, optical, magnetic and electrical properties studies

The aim of this work was to improve photo-catalytic activities of zinc oxide thin films for the degradation of methyl orange (MO) using a new approach based on the combined effect of lanthanum doping and porous substrate of silicon (Psi). Therefore, undoped and lanthanum-doped zinc oxide thin films (ZnO : La) were deposited on porous silicon substrate (PSi) by spin coating chemical deposition. Studies of the photo-catalytic activity showed that the La (25 %)-doped ZnO layer exhibited an improved photocatalytic performance in the degradation of methyl orange. Around 91.53 % and 70 % of the MO degradation was achieved within 180 min under illumination with UV and visible light respectively, suggesting that La-doped ZnO films deposited on Psi substrate are favorable candidates to enhance the photo-degradation of methyl orange.

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“…The energy gap values were estimated from a Kubelka-Munk plot using the well-known relation (Eq. ( 2)): [30] FðRÞ ¼ ð1-RÞ 2 =2R Eq. ( 2)…”

Section: Chemistryselectmentioning

confidence: 99%

Growth of La‐Doped ZnO Thin Films on a Porous Silicon Substrate for Photocatalytic Applications

2023

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Growth of Zinc Oxide Thin Film with Titanium Dioxide at Different Concentration Prepared by Hydrothermal Method

Muhamad

Mohamed

Malek

et al. 2021

Lecture Notes in Mechanical Engineering

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State-of-the-art review on photocatalysis for efficient wastewater treatment: Attractive approach in photocatalyst design and parameters affecting the photocatalytic degradation

Lee,

Kim,

Danish

et al. 2023

Catalysis Communications

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Enhanced visible light photocatalytic activity of C/La or Ce codoped ZnO nanostructures: Morphological, optical, magnetic and electrical properties studies

Cited by 14 publications

References 50 publications

Growth of La‐Doped ZnO Thin Films on a Porous Silicon Substrate for Photocatalytic Applications

Growth of La‐Doped ZnO Thin Films on a Porous Silicon Substrate for Photocatalytic Applications

Growth of Zinc Oxide Thin Film with Titanium Dioxide at Different Concentration Prepared by Hydrothermal Method

State-of-the-art review on photocatalysis for efficient wastewater treatment: Attractive approach in photocatalyst design and parameters affecting the photocatalytic degradation

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