High-performance ferroelectric photocatalysts for rapid dye degradation: ZrO2-doped LiTa0.5Nb0.5O3 under solar UV light

Lazar, Nour-eddine; Mazkad, Driss; Moussadik, Ali; El Habib Hitar, Mohamed; Benzaouak, Abdellah; Touach, Noureddine; Nicolle, Jimmy; Cagnon, Benoît; Yalcinkaya, Fatma; Riadi, Yassine; Alossaimi, Manal A.; El Mahi, Mohammed; Lotfi, El Mostapha

doi:10.1007/s10971-024-06330-y

J Sol-Gel Sci Technol

2024

DOI: 10.1007/s10971-024-06330-y

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High-performance ferroelectric photocatalysts for rapid dye degradation: ZrO2-doped LiTa0.5Nb0.5O3 under solar UV light

Nour-eddine Lazar,

Driss Mazkad,

Ali Moussadik

et al.

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2024

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Maximizing power generation in single-chamber microbial fuel cells: the role of LiTa0.5Nb0.5O3/g-C3N4 photocatalyst

Lazar,

Mazkad,

Kharti

et al. 2024

Mater Renew Sustain Energy

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Microbial fuel cells (MFCs) have attracted a great deal of attention as a promising technology for recovering electricity from organic substances by harnessing the metabolic activities of microorganisms. The objective of this study is to assess the efficacy of a LiTa0.5Nb0.5O3/g-C3N4 (LTN/g-C3N4) heterojunction as a photocathode catalyst within a single-chamber microbial fuel cell operating under both light irradiation and dark conditions. X-Ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and Energy dispersive X-Ray spectroscopy (EDS) were used to conduct a comprehensive analysis of the composite catalyst, revealing its exceptional purity and unique properties. After 120 h of exposure to visible light, the maximal power density of the MFC containing LTN/g-C3N4-modified carbon cloth was determined to be 667.7 mW/m3. The power density achieved with the presence of light was approximately three times greater than the power density obtained without light in the MFC (235.64 mW/m3). In addition, the study determined that the removal efficiencies of chemical oxygen demand (COD) were 88.4% and 66.5% when exposed to light and in the absence of light, respectively. These findings highlight the potential of the non-precious LTN/g-C3N4 photocatalyst as a viable alternative for effective wastewater treatment and power generation in microbial fuel cells with a single chamber configuration.

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Maximizing power generation in single-chamber microbial fuel cells: the role of LiTa0.5Nb0.5O3/g-C3N4 photocatalyst

Lazar,

Mazkad,

Kharti

et al. 2024

Mater Renew Sustain Energy

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show abstract

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High-performance ferroelectric photocatalysts for rapid dye degradation: ZrO2-doped LiTa0.5Nb0.5O3 under solar UV light

Cited by 1 publication

References 56 publications

Maximizing power generation in single-chamber microbial fuel cells: the role of LiTa0.5Nb0.5O3/g-C3N4 photocatalyst

Maximizing power generation in single-chamber microbial fuel cells: the role of LiTa0.5Nb0.5O3/g-C3N4 photocatalyst

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