IHEP OpenIR  > 北京同步辐射装置
Anchoring single atom cobalt on two-dimensional MXene for activation of peroxymonosulfate
BSRF用户
2021
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL
ISSN0926-3373
EISSN1873-3883
Volume286Pages:119898
SubtypeArticle
AbstractA simple and general vacancy defects anchoring strategy was developed for the synthesis of single atom metals, which exhibited excellent performance for peroxymonosulfate (PMS) activation. Production of Ti vacancy defects, conversion of metal ions to metal atoms, anchoring of single atom metals and construction of two-dimensional (2D) MXene structure on the eco-friendly Ti2AlN ceramic substrate were accomplished in one step using the molten transition metal salts. Complete removal of model pollutants including carbamazepine (CBZ), sulfamethoxazole (SMX) and 2,4-dichlomphen (2,4-DCP) was achieved within less than 2 min in PMS/ single atom Co process. Hydroxyl radical ((OH)-O-center dot), sulfate radical (SO4-(center dot)) and nonradical oxidation jointly contributed to pollutants degradation. More importantly, the exposed Ti atoms with strong reducibility of MXene substrate triggered the Co(III)/Co(II) cycle and thus accelerated PMS activation. The single atom Co catalyst exhibited excellent performance even under alkaline condition or in actual river water.
DOI10.1016/j.apcatb.2021.119898
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Physical ; Engineering, Environmental ; Engineering, Chemical
WOS IDWOS:000621629000003
ItemNoBSRF00165
beamline1W1B
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/292933
Collection北京同步辐射装置
Recommended Citation
GB/T 7714
BSRF用户. Anchoring single atom cobalt on two-dimensional MXene for activation of peroxymonosulfate[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2021,286:119898.
APA BSRF用户.(2021).Anchoring single atom cobalt on two-dimensional MXene for activation of peroxymonosulfate.APPLIED CATALYSIS B-ENVIRONMENTAL,286,119898.
MLA BSRF用户."Anchoring single atom cobalt on two-dimensional MXene for activation of peroxymonosulfate".APPLIED CATALYSIS B-ENVIRONMENTAL 286(2021):119898.
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