Synthesis of tin selenide nanoparticles using Polygonum avicular extract decorated on graphitic carbon nitride for enhancing photodegradation of amoxicillin trihydrate and photoproduction of hydrogen peroxide

In this research, tin selenide nanoparticles (SnSe-NPs) were synthesized using Polygonum avicular extract via the hydrothermal method and decorated on graphitic carbon nitride (g-C3N4) by the simple sonicated method to produce SnSe/g-C3N4 composites. The characterization and properties of the SnSe/g...

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Published in:	Materials chemistry and physics Vol. 329; p. 130032
Main Authors:	Dang Khoa, Tran, Hoang Duc, Le Thanh, Nghi, Pham Duc, Huynh, Ho Thi Thuy, Hieu, Nguyen Thi Ngoc, Minh, Dang Thanh Cong, Nam, Nguyen Thanh Hoai, Thao, Nguyen Thuy Diem, Hoang, Pham Le Kim, Hieu, Nguyen Huu
Format:	Journal Article
Language:	English
Published:	Elsevier B.V 01-01-2025
Subjects:	Amoxicillin trihydrate photodegradation G-C3N4 H2O2 photoproduction Photocatalytic Semiconductor SnSe-NPs Photocatalytic Semiconductor G-C3N4 Amoxicillin trihydrate photodegradation H2O2 photoproduction SnSe-NPs
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Summary:	In this research, tin selenide nanoparticles (SnSe-NPs) were synthesized using Polygonum avicular extract via the hydrothermal method and decorated on graphitic carbon nitride (g-C3N4) by the simple sonicated method to produce SnSe/g-C3N4 composites. The characterization and properties of the SnSe/g-C3N4 composites, as compared to pristine SnSe and g-C3N4, were determined by Fourier-transform infrared spectroscopy, X-ray powder diffraction, scanning electron microscope, transmission electron microscopy, field emission scanning electron microscopy, X-ray photoelectron spectroscopy, ultraviolet–visible diffuse reflectance spectroscopy, Mott-Schottky, and electrochemical impedance spectroscopy. As a result, the SnSe-NPs possessed the rod-like shape and after the decoration onto the g-C3N4 sheet surface, it reduced the bandgap energy of the g-C3N4 from 2.58 downward 1.43 eV. Besides, the photoactivities of the 10-SnSe/g-C3N4 catalyst were investigated via both sides of amoxicillin trihydrate (AMXT) photodegradation and hydrogen peroxide (H2O2) photoproduction, in which the results were achieved 87.84 % AMXT and 85.48 μM H2O2, respectively, under visible light. Furthermore, the photodegradation was consistent with the pseudo-first-order kinetics and it performed the highest photodegradation at pH ∼5, while the importance of isopropyl alcohol as a trapping agent and •O2− radicals was affirmed in the H2O2 photoproduction. Moreover, the photoproduction of H2O2 was remained after 4 cycles achieved at 62.70 % in the final cycle, which demonstrated the stability and reusability of the 10-SnSe/g-C3N4. These aforementioned results demonstrate that the SnSe/g-C3N4 material is a promising candidate for addressing environmental pollution and energy scarcity issues. [Display omitted] •SnSe nanoparticles (SnSe-NPs) were synthesized using the aqueous extract of Polygonum aviculare.•SnSe/g-C3N4 composites demonstrate high efficiency in the photodegradation of AMXT and photoproduction of H2O2.••O2− were the main radical for photodegradation of AMXT and photoproduction of H2O2 of the SnSe/g-C3N4 composite
ISSN:	0254-0584
DOI:	10.1016/j.matchemphys.2024.130032