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Further Progress in Boundary Confinement Effect on Heterogeneous Catalysis
  English.dicp.cas.cn    Posted:2012-08-21

Basing on a combination of surface catalytic research of model systems with that of complicated real systems, the DICP research team of “Nano & Boundary Catalysis” in the State Key Laboratory of Catalysis has constructed innovatively in recent years nano-structures of coordination-unsaturated transition metal oxides on a platinum surface. With these unique nano constructions, highly efficient activation of molecular oxygen under ambient temperature has been realized successfully. Moreover, the concept of “boundary confined catalysis” has been proposed, and a series of progresses on catalyst systems of FeO-on-Pt, NiO-on-Pt and CoO-on-Pt has been achieved. (Science 2010, 328, 1141JPCC 2010, 114, 17069JACS 2011, 133, 1978; JPCC 2011, 115, 20590; E&ES 2012, 5, 6313; ChemCatChem 2012, DOI: 10.1002/cctc.201200255).

Recently, Dr. Xiaoguang Guo, Prof. Qiang Fu and Prof. Xinhe Bao(member of CAS) of this team have constructed sophisticatedly in a real catalyst system a nano core-shell structure of FeO supporting on Cu@Pt, basing on the surface research finding that monolayer Pt could replace Pt in the bulk to stabilize surface active FeO species. This novel catalyst system could realize selective catalytic oxidation of CO under a hydrogen-rich atmosphere. The results of this study have been published as a communication in JACS (JACS 2012, http://pubs.acs.org/doi/abs/10.1021/ja3038883).

 

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