Singlet oxygen: Properties, generation, detection, and environmental applications

Y Wang, Y Lin, S He, S Wu, C Yang - Journal of hazardous materials, 2024 - Elsevier
Abstract Singlet oxygen (1 O 2) is molecular oxygen in the excited state with high energy
and electrophilic properties. It is widely found in nature, and its important role is gradually …

Origins of electron-transfer regime in persulfate-based nonradical oxidation processes

W Ren, C Cheng, P Shao, X Luo, H Zhang… - Environmental …, 2021 - ACS Publications
Persulfate-based nonradical oxidation processes (PS-NOPs) are appealing in wastewater
purification due to their high efficiency and selectivity for removing trace organic …

Unveiling the Origins of Selective Oxidation in Single-Atom Catalysis via Co–N4–C Intensified Radical and Nonradical Pathways

M Yang, Z Hou, X Zhang, B Gao, Y Li… - Environmental …, 2022 - ACS Publications
Single-atom catalysts (SACs)-based peroxymonosulfate (PMS) systems are highly selective
to the type of organic pollutants while the mechanisms remain ambiguous. In this work, we …

The debatable role of singlet oxygen in persulfate-based advanced oxidation processes

L Wang, K **ao, H Zhao - Water Research, 2023 - Elsevier
Abstract Singlet oxygen (1 O 2) attracts much attention in persulfate-based advanced
oxidation processes (PS-AOPs), because of its wide pH tolerance and high selectivity …

Cobalt single atoms anchored on oxygen‐doped tubular carbon nitride for efficient peroxymonosulfate activation: simultaneous coordination structure and morphology …

Z Wang, E Almatrafi, H Wang, H Qin… - Angewandte …, 2022 - Wiley Online Library
Simultaneous regulation of the coordination environment of single‐atom catalysts (SACs)
and engineering architectures with efficient exposed active sites are efficient strategies for …

Almost 100% electron transfer regime over Fe− Co dual-atom catalyst toward pollutants removal: Regulation of peroxymonosulfate adsorption mode

F Wang, Y Gao, H Fu, SS Liu, Y Wei, P Wang… - Applied Catalysis B …, 2023 - Elsevier
Fe− Co dual-atom catalyst (FeCo− DAC) with FeCo− N 6 moiety anchored in the carbon
skeleton is fabricated to achieve a nearly 100% electron-transfer process (ETP) for high …

Electron delocalization triggers nonradical Fenton-like catalysis over spinel oxides

ZY Guo, Y Si, WQ **a, F Wang, HQ Liu… - Proceedings of the …, 2022 - National Acad Sciences
Nonradical Fenton-like catalysis offers opportunities to overcome the low efficiency and
secondary pollution limitations of existing advanced oxidation decontamination …

Multi-channel electron transfer induced by polyvanadate in metal-organic framework for boosted peroxymonosulfate activation

MY Lan, YH Li, CC Wang, XJ Li, J Cao, L Meng… - Nature …, 2024 - nature.com
Catalytic peroxymonosulfate (PMS) activation processes don't solely rely on electron transfer
from dominant metal centers due to the complicated composition and interface environment …

Generation of FeIV=O and its Contribution to Fenton‐Like Reactions on a Single‐Atom Iron−N−C Catalyst

C Cheng, W Ren, F Miao, X Chen… - Angewandte Chemie …, 2023 - Wiley Online Library
Generating FeIV= O on single‐atom catalysts by Fenton‐like reaction has been established
for water treatment; however, the FeIV= O generation pathway and oxidation behavior …

Oxygen Vacancy-Induced Nonradical Degradation of Organics: Critical Trigger of Oxygen (O2) in the Fe–Co LDH/Peroxymonosulfate System

L Wu, Z Sun, Y Zhen, S Zhu, C Yang, J Lu… - Environmental …, 2021 - ACS Publications
Ubiquitous oxygen vacancies (Vo) existing in metallic compounds can activate
peroxymonosulfate (PMS) for water treatment. However, under environmental conditions …