Spinel ZnCO2O4 Nanosheets - Modified Sinws as Photocatalyst for Degradation of Organic Pollutant

Authors

Sabrina Naama
Research Center in Semiconductors Technology for Energetic (CRTSE). 2, Bd. Frantz Fanon, B.P. 140 Alger-7 Merveilles, Alger, Algeria.
Afaf Brik
Research Center in Semiconductors Technology for Energetic (CRTSE). 2, Bd. Frantz Fanon, B.P. 140 Alger-7 Merveilles, Alger, Algeria.
Khaled Derkaoui
Research Center in Semiconductors Technology for Energetic (CRTSE). 2, Bd. Frantz Fanon, B.P. 140 Alger-7 Merveilles, Alger, Algeria.
Sihem Bouanik
Research Center in Semiconductors Technology for Energetic (CRTSE). 2, Bd. Frantz Fanon, B.P. 140 Alger-7 Merveilles, Alger, Algeria.
Soumia Benredouane
Research Center in Semiconductors Technology for Energetic (CRTSE). 2, Bd. Frantz Fanon, B.P. 140 Alger-7 Merveilles, Alger, Algeria.
Seif-Eddine Friha
Research Center in Semiconductors Technology for Energetic (CRTSE). 2, Bd. Frantz Fanon, B.P. 140 Alger-7 Merveilles, Alger, Algeria.
Toufik Hadjersi
Research Center in Semiconductors Technology for Energetic (CRTSE). 2, Bd. Frantz Fanon, B.P. 140 Alger-7 Merveilles, Alger, Algeria.

Synopsis

The photocatalytic degradation of azo dye RhB using spinel ZnCo2O4-modified silicon nanowires (ZnCo2O4/SiNWs) was investigated under visible light irradiation.  Silicon nanowires (SiNWs) were elaborated by metal-assisted chemical etching and on which ZnCo2O4 was deposited by hydrothermal technique. The prepared samples were characterized by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX) and X-ray photoelectron spectroscopy (XPS). The RhB photodegradation was monitored by UV-Vis spectrometry. It was revealed that ZnCo2O4/SiNWs exhibited higher phtocatalytic activity than unmodified SiNWs, and the phtocatalytic activity strongly depends on experimental parameters of SiNWs synthesis and ZnCo2O4deposition.

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Published
December 9, 2024