CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Revealing the Active Species for Aerobic Alcohol Oxidation by Using Uniform Supported Palladium Catalysts
Xin, PY; Li, J; Xiong, Y; Wu, X; Dong, JC; Chen, WX; Wang, Y; Gu, L; Luo, J; Rong, HP; Chen, C; Peng, Q; Wang, DS; Li, YD
2018
Source PublicationANGEWANDTE CHEMIE-INTERNATIONAL EDITION
ISSN1433-7851
Volume57Issue:17Pages:4642-4646
Subtype期刊论文
AbstractThe active species in supported metal catalysts are elusive to identify, and large quantities of inert species can cause significant waste. Herein, using a stoichiometrically precise synthetic method, we prepare atomically dispersed palladium-cerium oxide (Pd-1/CeO2) and hexapalladium cluster-cerium oxide (Pd-6/CeO2), as confirmed by spherical-aberration-corrected transmission electron microscopy and X-ray absorption fine structure spectroscopy. For aerobic alcohol oxidation, Pd-1/CeO2 shows extremely high catalytic activity with a TOF of 6739 h(-1) and satisfactory selectivity (almost 100% for benzaldehyde), while Pd-6/CeO2 is inactive, indicating that the true active species are single Pd atoms. Theoretical simulations reveal that the bulkier Pd-6 clusters hinder the interactions between hydroxy groups and the CeO2 surface, thus suppressing synergy of Pd-Ce perimeter.
KeywordSingle-atom Metal Nanoparticles Benzyl Alcohol Gold Pd Hydrogenation Dehydration Reactivity Mechanism Graphene
DOI10.1002/anie.201801103
Indexed BySCI
Language英语
WOS IDWOS:000430165700034
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/29123
Collection中科院上海应用物理研究所2011-2018年
Affiliation1.Xin, PY
2.Li, J
3.Xiong, Y
4.Wu, X
5.Dong, JC
6.Chen, WX
7.Wang, Y
8.Gu, L
9.Luo, J
10.Rong, HP
11.Chen, C
12.Peng, Q
13.Wang, DS
14.Li, YD
Recommended Citation
GB/T 7714
Xin, PY,Li, J,Xiong, Y,et al. Revealing the Active Species for Aerobic Alcohol Oxidation by Using Uniform Supported Palladium Catalysts[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2018,57(17):4642-4646.
APA Xin, PY.,Li, J.,Xiong, Y.,Wu, X.,Dong, JC.,...&Li, YD.(2018).Revealing the Active Species for Aerobic Alcohol Oxidation by Using Uniform Supported Palladium Catalysts.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,57(17),4642-4646.
MLA Xin, PY,et al."Revealing the Active Species for Aerobic Alcohol Oxidation by Using Uniform Supported Palladium Catalysts".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 57.17(2018):4642-4646.
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