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Generation and Confinement of Long-Lived N-Oxyl Radical and Its Photocatalysis
Zhang, Chaofeng1; Huang, Zhipeng1,2; Lu, Jianmin1; Luo, Nengchao1,2; Wang, Feng1
Source PublicationJOURNAL OF THE AMERICAN CHEMICAL SOCIETY
2018-02-14
ISSN0002-7863
DOI10.1021/jacs.7b12928
Volume140Issue:6Pages:2032-2035
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Multidisciplinary
WOS Research AreaChemistry
WOS KeywordELECTROCATALYTIC ALCOHOL OXIDATION ; ELECTRON-TRANSFER ; VISIBLE-LIGHT ; AEROBIC OXIDATION ; MOLECULAR-OXYGEN ; CATALYZED OXIDATION ; LIGNIN ; SYSTEM ; ACTIVATION ; MECHANISM
AbstractGeneration of controllable carbon radical under the assistance of N-oxyl radical is an efficient method for the activation of C-H bonds in hydrocarbons. We herein report that irradiation of alpha-Fe2O3 and N-hydroxyphthalimide (NHPI) under 455 nm light generates phthalimide-N-oxyl radical (PINO*), which after being formed by oxidation with holes, is confined on alpha-Fe2O3 surface. The half-life time of the confined radical reaches 22 s as measured by in situ electron paramagnetic resonance (EPR) after the light being turned off. This allows the long-lived N-oxyl radical to abstract the H from C-H bond to form a carbon radical that reacts with molecular oxygen to form R3C-OO center dot species, decomposition of which leads to oxygenated products.
Language英语
WOS IDWOS:000425475300013
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/168669
Collection中国科学院大连化学物理研究所
Corresponding AuthorWang, Feng
Affiliation1.Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Chaofeng,Huang, Zhipeng,Lu, Jianmin,et al. Generation and Confinement of Long-Lived N-Oxyl Radical and Its Photocatalysis[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2018,140(6):2032-2035.
APA Zhang, Chaofeng,Huang, Zhipeng,Lu, Jianmin,Luo, Nengchao,&Wang, Feng.(2018).Generation and Confinement of Long-Lived N-Oxyl Radical and Its Photocatalysis.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,140(6),2032-2035.
MLA Zhang, Chaofeng,et al."Generation and Confinement of Long-Lived N-Oxyl Radical and Its Photocatalysis".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 140.6(2018):2032-2035.
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