Visible-light photocatalytic O2-to-H2O2 via nitrogen-graphene quantum dots-modified Bi2Fe4O9 for synchronizing the reduction of Cr(VI) and oxidation of organic contaminants: Kinetics, mechanism, and performance

[Display omitted] •N-GQDs/Bi2Fe4O9 suppress charge recombination and electron accumulation.•N-GQDs/Bi2Fe4O9 enhances in-situ H2O2 generation and H2O2 activation.•Electrons accumulation around N-GQDs accelerate the redox cycles of Fe(II)/Fe(III).•N-GQDs/Bi2Fe4O9 achieves simultaneous toxic Cr(VI) red...

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Bibliographic Details
Published in:	Chemical engineering journal (Lausanne, Switzerland : 1996) Vol. 487; p. 150712
Main Authors:	Wei, Ling-Wei, Zheng, Meng-Wei, Liu, Shou-Heng, Paul Wang, Hong, Pu, Ying-Chih, Nguyen, Van-Can
Format:	Journal Article
Language:	English
Published:	Elsevier B.V 01.05.2024
Subjects:	chromium Cr(VI) reduction irradiation light Organic contaminant oxidation oxidation Photo-Fenton process photocatalysis photocatalysts Reactive oxygen species Redox cycle solar energy species toxicity wastewater Reactive oxygen species Photo-Fenton process Redox cycle Cr(VI) reduction Organic contaminant oxidation
ISSN:	1385-8947, 1873-3212
Online Access:	Get full text
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