Preparation and characterisation of BiOCl nano photocatalyst for the remediation of wastewater under LED light DOI
Brijesh Pare,

Roshni Joshi,

S.P.S. Mehta

и другие.

International Journal of Environmental & Analytical Chemistry, Год журнала: 2024, Номер unknown, С. 1 - 25

Опубликована: Дек. 22, 2024

Dye, a major global pollutant causing environmental and health issues, can be effectively degraded through photocatalysis. This study synthesised bismuth oxychloride (BiOCl) nano-photocatalyst via hydrolysis characterized it using various analytical instruments. The UV-Vis absorbance of the displayed peaks at 211 nm, 361 688 with band gap 3.0 eV, conduction minimum 1.97 valence maximum 4.97 eV. dynamic light scattering showed 3349 nm 660 while BiOCl had zeta potential -17.3 mV conductivity 0.245 mS/cm. X-ray diffraction exhibited four sharp intensity 11.95º, 25.81º, 32.50º, 33.40º, average crystallite size was 43.39 scanning electron microscope plate-like morphology. achieved 88.21% degradation methyl green within 60 minutes under LED irradiation pH 7.5 dye concentration 6×10−6 mol/L. photocatalytic performance, driven by hydroxyl (•OH) superoxide (O2•−) radicals, 96.55% mineralization as confirmed COD analysis. These findings emphasize for effective sustainable wastewater remediation visible conditions.

Язык: Английский

Electronic structure and performance analysis of a pentagraphene based thermoelectric generator DOI Creative Commons

Mulgeta Girma,

Tadesse Lemma Wakjira,

Kedir Hussien

и другие.

AIP Advances, Год журнала: 2025, Номер 15(2)

Опубликована: Фев. 1, 2025

This study investigated the potential of pentagraphene (PG) as a high-performance thermoelectric material for energy conversion applications. Electronic structure calculations revealed that PG is an indirect bandgap semiconductor with 2.11 eV and exhibits anisotropic dielectric plasmon properties. The phonon dispersion calculation shows dynamically stable under small perturbations. Furthermore, compared graphene, has lower phononic thermal conductivity. Thermoelectric property show significantly higher figure merit (ZT) 0.15 at 300 K than ZT 0.009. Moreover, increases temperature, reaching 0.52 900 K. Simulations PG-based generator (TEG) demonstrate efficiency 7% heat source temperature finding suggests possesses properties superior to those graphene holds significant development more efficient practical TEGs, particularly applications requiring moderate temperatures.

Язык: Английский

Процитировано

0
Preparation and characterisation of BiOCl nano photocatalyst for the remediation of wastewater under LED light DOI
Brijesh Pare,

Roshni Joshi,

S.P.S. Mehta

и другие.

International Journal of Environmental & Analytical Chemistry, Год журнала: 2024, Номер unknown, С. 1 - 25

Опубликована: Дек. 22, 2024

Dye, a major global pollutant causing environmental and health issues, can be effectively degraded through photocatalysis. This study synthesised bismuth oxychloride (BiOCl) nano-photocatalyst via hydrolysis characterized it using various analytical instruments. The UV-Vis absorbance of the displayed peaks at 211 nm, 361 688 with band gap 3.0 eV, conduction minimum 1.97 valence maximum 4.97 eV. dynamic light scattering showed 3349 nm 660 while BiOCl had zeta potential -17.3 mV conductivity 0.245 mS/cm. X-ray diffraction exhibited four sharp intensity 11.95º, 25.81º, 32.50º, 33.40º, average crystallite size was 43.39 scanning electron microscope plate-like morphology. achieved 88.21% degradation methyl green within 60 minutes under LED irradiation pH 7.5 dye concentration 6×10−6 mol/L. photocatalytic performance, driven by hydroxyl (•OH) superoxide (O2•−) radicals, 96.55% mineralization as confirmed COD analysis. These findings emphasize for effective sustainable wastewater remediation visible conditions.

Язык: Английский

Процитировано

0