Single-atom Ni-N4 sites coordinate dual nonradical oxidation pathways via peroxymonosulfate activation: Computational insights and in situ spectroscopic analyses

Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: 346, P. 123752 - 123752

Published: Jan. 21, 2024

In this work, we revealed a dual-pathway nonradical oxidation (NRO) system catalyzed by Ni single atom catalyst (NiN4) accommodated in the carbon nitride substrate. The monatomic coordinated with four N atoms (Ni-N4) is determined as dynamic catalytic center for peroxymonosulfate (PMS) activation, showing an exceptional specific rate constant of 3.34 min-1 g-2 L-2 (29.7 times that CN/PMS system) oxidizing bisphenol A and other refractory organics. situ Raman, X-ray absorption, electrochemical analyses well theoretical simulations demonstrate Ni-N4 sites exhibit strong interaction PMS benefited from modulated electronic structures, resulting surface-bonding active complexes (NiN4-PMS*) deuterogenic high-valent Ni(IV)-Oxo species. NRO process will spontaneously coordinate both electron transfer via CN matrix direct selective organic excellent anti-interference ability adaptability.

Language: Английский

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3D hollow cobalt/carbon fiber-like PMS activator for dynamic carbamazepine degradation: promotional effect and reaction mechanism

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 487, P. 150636 - 150636

Published: March 23, 2024

Language: Английский

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Tunning MIL-101(Cr) MOF polymorphism towards efficient adsorption and localized Fenton-like degradation of para-nitroaniline by Fe incorporation

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 486, P. 150162 - 150162

Published: March 9, 2024

Language: Английский

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Bioinspired axial S-coordinated single-atom cobalt catalyst to efficient activate peroxymonosulfate for selective high-valent Co-Oxo species generation

Journal of Hazardous Materials, Journal Year: 2024, Volume and Issue: 472, P. 134515 - 134515

Published: May 2, 2024

Language: Английский

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Carbon quantum dots modified MoS2 for high-efficiency and long-endurance persulfate activation: Enhanced electron transfer and piezoelectricity

Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 353, P. 128148 - 128148

Published: May 27, 2024

Language: Английский

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Electron transfer-mediated peroxymonosulfate activation through monoatomic Fe–pyridinic N4 moiety in biochar-based catalyst for electron-rich pollutants degradation in groundwater

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 492, P. 152158 - 152158

Published: May 11, 2024

Language: Английский

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Enhanced peroxymonosulfate activation for antibiotic and heavy metal removal using ZIF-67-derived magnetic Ni/Co-LDH@NC: Bimetallic electronic synergy and oxygen vacancy effects

Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: 362, P. 124753 - 124753

Published: Oct. 30, 2024

Language: Английский

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Endogenous Mn/Fe biochar derived from algae-rich floc sludge for enhanced peroxymonosulfate activation: Improved surface collision oxidation and role of synergic path

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 159391 - 159391

Published: Jan. 1, 2025

Language: Английский

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Oxygen vacancy-modified fast charge transport channels at the interface of bismuth S-scheme heterojunctions promoting photocatalytic performance

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 159887 - 159887

Published: Jan. 1, 2025

Language: Английский

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Modulating the electronic structure of Fe7S8@TCN enhancing peroxymonosulfate activation for efficient water decontamination: Importance of interfacial engineering

Separation and Purification Technology, Journal Year: 2025, Volume and Issue: 362, P. 131862 - 131862

Published: Jan. 31, 2025

Language: Английский

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