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Visible-light-induced aerobic oxidation of alcohols in a green catalytic system of carbonate-like species doped TiO2
Yu, Linhui; Lin, Yangming; Li, Danzhen; Li, DZ (reprint author), Fuzhou Univ, Res Inst Photocatalysis, Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Peoples R China.
2017-11-05
发表期刊APPLIED CATALYSIS B-ENVIRONMENTAL
ISSN0926-3373
卷号216页码:88-94
摘要Although all kinds of the promising catalytic approaches have been developed in recent years, pursuing a complete green catalytic system with high efficiency for the production of various aldehydes is still an interesting challenge. Moreover, the low chemo-selectivity or chemical deactivation for particular primary aldehydes with complicated substituent groups, however, is an inevitable bottleneck for achieving industrial application. Here, we construct a new green pathway in which carbonate-like species doped TiO2 (C/T) can function as a photocatalyst to exhibit excellent chemoselectivity and stability toward aerobic oxidation of structurally diverse and dysfunctional alcohols (20 examples) with dimethyl carbonate as a green reaction solvent. The control experiments with various species scavengers reveal the role of the active species in the photocatalytic system, and the ESR results further confirm O2(center dot-) as the dominate oxidative species for the reaction. Through that the plausible reaction mechanism for the photocatalytic selective oxidation of alcohols over the C/T catalysts is proposed. (C) 2017 Elsevier B.V. All rights reserved.; Although all kinds of the promising catalytic approaches have been developed in recent years, pursuing a complete green catalytic system with high efficiency for the production of various aldehydes is still an interesting challenge. Moreover, the low chemo-selectivity or chemical deactivation for particular primary aldehydes with complicated substituent groups, however, is an inevitable bottleneck for achieving industrial application. Here, we construct a new green pathway in which carbonate-like species doped TiO2 (C/T) can function as a photocatalyst to exhibit excellent chemoselectivity and stability toward aerobic oxidation of structurally diverse and dysfunctional alcohols (20 examples) with dimethyl carbonate as a green reaction solvent. The control experiments with various species scavengers reveal the role of the active species in the photocatalytic system, and the ESR results further confirm O2(center dot-) as the dominate oxidative species for the reaction. Through that the plausible reaction mechanism for the photocatalytic selective oxidation of alcohols over the C/T catalysts is proposed. (C) 2017 Elsevier B.V. All rights reserved.
部门归属[yu, linhui ; li, danzhen] fuzhou univ, res inst photocatalysis, key lab photocatalysis energy & environm, fuzhou 350002, peoples r china ; [lin, yangming] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
关键词Carbon-doped Tio2 Photocatalysis Visible Light Dimethyl Carbonate Alcohols
学科领域Chemistry, Physical ; Engineering, Environmental ; Engineering, Chemical
资助者National Natural Science Foundation of China [21173047, 21373049]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78003
专题中国科学院金属研究所
通讯作者Li, DZ (reprint author), Fuzhou Univ, Res Inst Photocatalysis, Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Peoples R China.
推荐引用方式
GB/T 7714
Yu, Linhui,Lin, Yangming,Li, Danzhen,et al. Visible-light-induced aerobic oxidation of alcohols in a green catalytic system of carbonate-like species doped TiO2[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2017,216:88-94.
APA Yu, Linhui,Lin, Yangming,Li, Danzhen,&Li, DZ .(2017).Visible-light-induced aerobic oxidation of alcohols in a green catalytic system of carbonate-like species doped TiO2.APPLIED CATALYSIS B-ENVIRONMENTAL,216,88-94.
MLA Yu, Linhui,et al."Visible-light-induced aerobic oxidation of alcohols in a green catalytic system of carbonate-like species doped TiO2".APPLIED CATALYSIS B-ENVIRONMENTAL 216(2017):88-94.
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