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Efficient Photodegradation of Rhodamine B and Tetracycline over Robust and Green g-C3N4 Nanostructures: Supramolecular Design

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Abstract
Highly condensed g-C3N4 nanosheets with an exceptional surface area and porous structure were simply prepared by thermal condensation of stable preorganized supramolecular structures of cyanuric acid and melamine
formed in water as the solvent. Different techniques were employed for the characterization of the structural,
morphological, electrical, and optical features of the as-synthesized catalyst. All the characterizations confirmed
the successful formation of nanosheets with magnificent properties compared to the pristine sample which was
prepared by melamine polycondensation. Not only did these nanosheets exhibit a superb photocatalytic activity
over the degradation of tetracycline (over 60%) and rhodamine B (100%) under visible light irradiation just for
15 min, but they also could maintain their stability during the reaction keeping over 98% of their original
degradation even in 5 cycles. Superoxide anion radicals and holes were determined to be the main active species
by trapping experiments. LC-Mass analysis was also performed to identify the intermediates and propose the
possible pathway for photodegradation of tetracycline. The promising performance of this catalyst can be a
notable step forward for prosperous industrial applications in the field of photodegradation of hazardous and
not-easily degradable organic compounds in wastewater treatment plants.
Author(s)
이병규파타히모가담 호세인Tahereh Mahvelati
Issued Date
2021
Type
Article
Keyword
PhotocatalysisTetracyclineRhodamine BCM-complexdegradation pathway
DOI
10.1016/j.jhazmat.2020.123703
URI
https://oak.ulsan.ac.kr/handle/2021.oak/9254
https://ulsan-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=TN_cdi_crossref_primary_10_1016_j_jhazmat_2020_123703&context=PC&vid=ULSAN&lang=ko_KR&search_scope=default_scope&adaptor=primo_central_multiple_fe&tab=default_tab&query=any,contains,Efficient%20Photodegradation%20of%20Rhodamine%20B%20and%20Tetracycline%20over%20Robust%20and%20Green%20g-C3N4%20Nanostructures:%20Supramolecular%20Design&offset=0&pcAvailability=true
Publisher
JOURNAL OF HAZARDOUS MATERIALS
Location
네덜란드
Language
영어
ISSN
0304-3894
Citation Volume
403
Citation Number
1
Citation Start Page
123703
Citation End Page
123703
Appears in Collections:
Engineering > Civil and Environmental Engineering
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