Accelerated Fenton degradation of azo dye wastewater via a novel Z-scheme CoFeN-g-C3N4 heterojunction photocatalyst with excellent charge transfer under visible light irradiation

Miao, Shihao; Gao, Hongcheng; Xia, Hongyu; Mao, Xiaoxia; Zhang, Lijuan; Shi, Mengqin; Zhang, Yuanguang

doi:10.1039/d2dt02790a

Cited by 8 publications

(3 citation statements)

References 48 publications

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“…The XRD observations show that the two typical characteristic peaks of g-C 3 N 4 at 27.5° and 13.1° correspond to the (002) and (100) crystal planes of graphitic phase carbon nitride (PDF#87-1526). 26 2 θ = 27.7°, 30.8°, 32.8°, 45.4°, 47.1°, 54.0°, 55.5°, and 57.1°, correspond to the (201), (002), (220), (222), (400), (203), (421) and (402) crystal faces of the quadripartite ZnBi 2 O 4 (JCPDS numbers 043-0449). 27 The XRD patterns of the ZBN composite photocatalysts were consistent with those of ZnBi 2 O 4 , but no obvious diffraction peaks of g-C 3 N 4 were observed in the composites, which is due to the lower crystallinity of g-C 3 N 4 , the lower amount added and the overlap between the main peaks of g-C 3 N 4 and ZnBi 2 O 4 at 27.7°.…”

Section: Resultsmentioning

confidence: 99%

Construction of type II ZnBi₂O₄/g-C₃N₄ heterojunction photocatalysts for efficient degradation of acid red B

Luo,

Yuan,

Liu

et al. 2023

New J. Chem.

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Section: Resultsmentioning

confidence: 99%

Construction of type II ZnBi₂O₄/g-C₃N₄ heterojunction photocatalysts for efficient degradation of acid red B

Luo,

Yuan,

Liu

et al. 2023

New J. Chem.

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“…Regarding the treatment of wastewater with dyes, studies on this topic have increased in the last 10 years of the study period (2012-2022; r = 0.85 with time) [31][32][33]. Studies on the removal of organic compounds increased after 2015 (r = 0.87), showing that organic compounds were the most commonly used matrix in Fenton studies [34][35][36] in comparison with pharmaceuticals [37][38][39], phenols [40,41], pesticides [42,43], inorganic compounds [44,45], hygiene and cleaning products [46,47].…”

Section: Time Trends In Studies Using Fentonmentioning

confidence: 99%

Fenton: A Systematic Review of Its Application in Wastewater Treatment

Pimentel Prates,

de Oliveira Loures Marcionílio,

Borges Machado

et al. 2023

Processes

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The use of new technologies for the removal of pollutants from wastewater has become globally necessary due to the complexity and facilities defined by conventional treatments. Advanced oxidative processes, specifically the Fenton process, have become widely applied given their low cost and ease of use. Therefore, this study aimed to evaluate the progression of the scientific publications on the implementation of Fenton process, investigating their space–time evolution. Additionally, useful solutions, trends, and gaps in the applications for the removal of pollutants with this methodology were identified, and also different remediation strategies and the design of new treatments for wastewaters were identified within this scientometric analysis. Bibliometric research was conducted in two scientific databases, Web of Science and Scopus, from 2011 to 2022, and we identified 932 and 1263 studies with the word “Fenton,” respectively. When these publications are associated with the treatment of alternative effluents, an increase in publications from 2011 (r = 0.95, p < 0.001) and 2013 (r = 0.93, p < 0.001) was observed when analyzing both databases, indicating the relevance of the theme. Among these studies, several of them were conducted on the bench scale (89.8% and 98.3%, Web of Science and Scopus, respectively) and in aqueous matrix (97.8% and 98.4%, Web of Science and Scopus, respectively), with being China the main country with publications associated with these words (28.33% and 41.9%), while Brazil is related to 3.65% and 2.29% of the total studies in Web of Science and Scopus, respectively. In addition, this review provides a guideline for new applications for different species in the matrices and describes the evolution of technological solutions to meet Sustainable Development Goal 6: clean water and sanitation.

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“…Furthermore, exploiting photocatalytic reactions to degrade organic dye effluents is an alternative to several water remediation processes because it is economically feasible and can be carried out in mild conditions, resulting in carbon dioxide and water as the major side products. − Therefore, there is significant interest in developing photocatalysts that can utilize visible light to catalyze these reactions. As a result, a variety of oxides, sulfides, and chalcogenides, in the form of nanostructures and thin films, are extensively investigated as photocatalysts. − Nevertheless, the majority of reported photocatalyst nanostructures are synthesized by high-temperature approaches, namely, sol-combustion, hydro/solvothermal, coprecipitation, and pyrolysis. − Additionally, a preferred photocatalyst should be innocuous, reusable, and chemically inert.…”

Section: Introductionmentioning

confidence: 99%

Sodium Alginate–CdS Nanostructures: Reinforcing Chemoselectivity in Nitro-Organic Reduction and Dye Degradation through Photoinduced Electron Transfer

Dhruv,

Kori,

Das

2024

ACS Appl. Nano Mater.

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In the current socioeconomic environment, researchers are interested in using visible light for the exploration of chemical reactions. In this context, biopolymer-supported multifunctional metal sulfide composites with improved catalytic performance play a crucial role in chemical reactions. To address this issue, sodium alginate-templated cadmium sulfide-based photocatalysts are synthesized at a gel−liquid interface by altering the pH of the Na 2 S solution from 7.4 to 10 and 13. The X-ray diffractograms (XRDs) of the synthesized sodium alginate− cadmium sulfide (SA−CdS) illustrated the semicrystalline nature of the cadmium nanostructures. Field emission scanning electron microscopy (FE-SEM) is used to examine the surface morphology of the nanocomposites. The transmission electron microscopy (TEM) analysis reveals that the sodium alginate−cadmium sulfide (SA−CdS) particles exhibit spherical shapes with an average size of 4 nm. The diffuse reflectance spectroscopy (DRS) and Brunauer−Emmett−Teller (BET) analysis reveal the low band gap (∼2.4 eV) and enhanced surface area for SA−CdS synthesized at pH 13 of Na 2 S solution compared to pH 10 and 7.4, respectively. In contrast to the reported photocatalysts, the synthesized SA−CdS not only reduced the nitro-organic compounds under incoming irradiation but also reduced the chemoselectively deteriorated nitro compounds having vinyl functional groups. Additionally, the SA−CdS photocatalyst efficiently degraded organic rhodamine B (RhB) dye under visible light irradiation. Additionally, the essential function of electrons in reducing nitroaryl compounds is revealed, and a potential photocatalytic reaction mechanism using ammonium formate as a hole scavenger is also proposed. The synthesized SA−CdS catalyst demonstrates remarkable recyclability without any noticeable decrease in the amount of product obtained. These findings suggest that the developed SA−CdS catalyst has the potential to serve as a promising visible-light-driven photocatalyst for various organic reactions.

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Accelerated Fenton degradation of azo dye wastewater via a novel Z-scheme CoFeN-g-C₃N₄ heterojunction photocatalyst with excellent charge transfer under visible light irradiation

Abstract: A novel Z-scheme heterostructure photocatalyst CoFeN-g-C3N4 (CFN-CN) was prepared by a simple strategy, and its heterostructure and the photo-Fenton system were used to synergistically catalyze the degradation of the azo...

Cited by 8 publications

References 48 publications

Construction of type II ZnBi₂O₄/g-C₃N₄ heterojunction photocatalysts for efficient degradation of acid red B

Construction of type II ZnBi₂O₄/g-C₃N₄ heterojunction photocatalysts for efficient degradation of acid red B

Fenton: A Systematic Review of Its Application in Wastewater Treatment

Sodium Alginate–CdS Nanostructures: Reinforcing Chemoselectivity in Nitro-Organic Reduction and Dye Degradation through Photoinduced Electron Transfer

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Accelerated Fenton degradation of azo dye wastewater via a novel Z-scheme CoFeN-g-C3N4 heterojunction photocatalyst with excellent charge transfer under visible light irradiation

Abstract: A novel Z-scheme heterostructure photocatalyst CoFeN-g-C3N4 (CFN-CN) was prepared by a simple strategy, and its heterostructure and the photo-Fenton system were used to synergistically catalyze the degradation of the azo...

Cited by 8 publications

References 48 publications

Construction of type II ZnBi2O4/g-C3N4 heterojunction photocatalysts for efficient degradation of acid red B

Construction of type II ZnBi2O4/g-C3N4 heterojunction photocatalysts for efficient degradation of acid red B

Fenton: A Systematic Review of Its Application in Wastewater Treatment

Sodium Alginate–CdS Nanostructures: Reinforcing Chemoselectivity in Nitro-Organic Reduction and Dye Degradation through Photoinduced Electron Transfer

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Accelerated Fenton degradation of azo dye wastewater via a novel Z-scheme CoFeN-g-C₃N₄ heterojunction photocatalyst with excellent charge transfer under visible light irradiation

Construction of type II ZnBi₂O₄/g-C₃N₄ heterojunction photocatalysts for efficient degradation of acid red B

Construction of type II ZnBi₂O₄/g-C₃N₄ heterojunction photocatalysts for efficient degradation of acid red B