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Engineering the epitaxial interface of Pt-CeO2 by surface redox reaction guided nucleation for low temperature CO oxidation
Alternative TitleEngineering the epitaxial interface of Pt-CeO2 by surface redox reaction guided nucleation for low temperature CO oxidation
Changjin Xu1; Yutong Wu1; Song Li1; Jun Zhou1; Jing Chen3; Min Jiang1; Hongda Zhao4; Gaowu Qin1
2020
Source Publication材料科学技术:英文版
ISSN1005-0302
Volume000Issue:005Pages:39-46
AbstractThe interface between metal nanoparticles(NPs)and support plays a vital role in catalysis because both electron and atom exchanges occur across the metal-support interface.However,the rational design of interfacial structure facilitating the charge transfer between the neighboring parts remains a challenge.Herein,a guided nucleation strategy based on redox reaction between noble metal precursor and supportsurface is introduced to construct epitaxial interfaces between Pt NPs and CeO2 support.The Pt/CeO2 catalyst exhibits near room temperature catalytic activity for CO oxidation that is benefited from the well-defined interface structure facilitating charge transfer from CeO2 support to Pt NPs.Meanwhile,this general approach based on support-surface-induced-nucleation was successfully extended to synthesize Pd and Cu nanocatalysts on CeO2,demonstrating its universal and feasible characteristics.This work is an important step towards developing highly active supported metal catalysts by engineering their interfaces.
KeywordCO oxidation Electronic metal-support interaction Support surface induced nucleation Metal-oxide interface
Indexed ByCSCD
Language中文
Funding Project[National Natural Science Foundation of China] ; [Fundamental Research Funds for the Central Universities] ; [Key Lab for ATM of NortheasternUniversity (China)] ; [Natural Science Foundation of Shenzhen University]
CSCD IDCSCD:6664531
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/151661
Collection中国科学院金属研究所
Affiliation1.Key Lab for Anisotropy and Texture of Materials(MoE
2.Research Center for Metallic Wires,Northeastern University
3.Institute of Microscale Optoelectronics(IMO
4.中国科学院金属研究所
Recommended Citation
GB/T 7714
Changjin Xu,Yutong Wu,Song Li,et al. Engineering the epitaxial interface of Pt-CeO2 by surface redox reaction guided nucleation for low temperature CO oxidation[J]. 材料科学技术:英文版,2020,000(005):39-46.
APA Changjin Xu.,Yutong Wu.,Song Li.,Jun Zhou.,Jing Chen.,...&Gaowu Qin.(2020).Engineering the epitaxial interface of Pt-CeO2 by surface redox reaction guided nucleation for low temperature CO oxidation.材料科学技术:英文版,000(005),39-46.
MLA Changjin Xu,et al."Engineering the epitaxial interface of Pt-CeO2 by surface redox reaction guided nucleation for low temperature CO oxidation".材料科学技术:英文版 000.005(2020):39-46.
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