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Lee, Jae Sung
Eco-friendly Catalysis and Energy Lab
Research Interests
  • Photocatalytic water splitting, artificial photosynthesis, fuel cells, heterogeneous catalysis

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Stabilization of molecular Pd species in a heterogenized wacker-type catalyst for low temperature CO oxidation

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Title
Stabilization of molecular Pd species in a heterogenized wacker-type catalyst for low temperature CO oxidation
Other Titles
STABILIZATION OF MOLECULAR PD SPECIES IN A HETEROGENIZED WACKER-TYPE CATALYST FOR LOW TEMPERATURE CO OXIDATION
Author
Park Eun DuckLee, Jae Sung
Keywords
EMTREE drug terms: carbon monoxide; copper chloride; copper derivative; metal; palladium EMTREE medical terms: absorption spectroscopy; catalysis; catalyst; chemical reaction; conference paper; low temperature procedures; oxidation; roentgen spectroscopy; temperature; X ray diffraction
Issue Date
2000
Publisher
Proceedings of the 12th ICC
Citation
STUDIES IN SURFACE SCIENCE AND CATALYSIS, v.130 C, no., pp.2309 - 2314
Abstract
Heterogenized Wacker-type catalysts that showed high activity in CO oxidation at ambient temperatures were investigated with X-ray diffraction (XRD) and X-ray absorption fine structure (XAFS) techniques. The active palladium and copper species for the carbon-supported Wacker catalyst were determined to be a molecular Pd(II) species coordinated with chlorine ligands and solid Cu2Cl(OH)3 that was formed by interaction between the surface functional groups of the support and the copper precursor. Solid copper phase of Cu2Cl(OH)3 was superior to the traditional CuCl2 · 2H2O for reoxidizing the reduced palladium species in the Wacker chemistry. The chemical environment of copper appeared to have crucial effects on sustaining active Pd(II) species and maintaining high activities in low temperature CO oxidation. © 2000 Elsevier Science B.V. All rights reserved
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ISSN
0167-2991
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ECHE_Journal Papers
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