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Sustainable Chemistry, Volume 4, Issue 4

2023 December - 3 articles

Cover Story: Zinc oxide nanoparticles (ZnO NPs) with a high photocatalytic performance were prepared by using the aerobic combustion of saccharides. The ZnO NPs were characterized by using TEM, SEM, EDX, XRPD, and UV–Vis spectroscopy. The TEM images revealed that the ZnO NPs have sizes ranging from ~20 to 35 nm with a bandgap of ~3.32 eV. The XRPD pattern revealed the hexagonal wurtzite crystalline structure of the ZnO NPs. The photocatalytic properties of the ZnO NPs were studied. The terephthalic acid photoluminescence technique was also used to study the generation of a hydroxyl radical (•OH) by ZnO NPs. The saccharide-derived ZnO NPs exhibited higher photocatalytic activity than the nonsaccharide-derived ZnO NPs. Varying the type of saccharides used during the calcination had some effect on the degree of the catalytic enhancement. View this paper

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Review

27 Citations

16,248 Views

31 Pages

Envisioning a BHET Economy: Adding Value to PET Waste

Clarissa C. Westover and
Timothy E. Long

Sustain. Chem.2023, 4(4), 363-393;https://doi.org/10.3390/suschem4040025

18 December 2023

Poly(ethylene terephthalate), the fifth most produced polymer, generates significant waste annually. This increased waste production has spurred interest in chemical and mechanical pathways for recycling. The shift from laboratory settings to larger-...

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Review

6 Citations

6,929 Views

24 Pages

Polyfluoroalkyl Substances (PFASs) Detection Via Carbon Dots: A Review

Ricardo M. S. Sendão,
Joaquim C. G. Esteves da Silva and
Luís Pinto da Silva

Sustain. Chem.2023, 4(4), 339-362;https://doi.org/10.3390/suschem4040024

15 December 2023

PFASs are a class of highly persistent chemicals that are slowly infiltrating soils and waterways. Thus, there is a great need for fast, sensitive, and reliable techniques to detect PFASs. Conventional methods, such as LC-MS/SPE, allow high sensitivi...

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Article

5 Citations

3,695 Views

18 Pages

Saccharide-Derived Zinc Oxide Nanoparticles with High Photocatalytic Activity for Water Decontamination and Sanitation

Kazi Afroza Sultana,
Javier Hernandez Ortega,
Md Tariqul Islam,
Zayra N. Dorado,
Bonifacio Alvarado-Tenorio,
Ignacio Rene Galindo-Esquivel and
Juan C. Noveron

Sustain. Chem.2023, 4(4), 321-338;https://doi.org/10.3390/suschem4040023

3 November 2023

Zinc oxide nanoparticles (ZnO NPs) with a high photocatalytic performance were prepared by using the aerobic combustion of saccharides such as glucose, fructose, dextrin, and starch with zinc nitrate. The ZnO NPs were characterized by using transmiss...

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