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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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Easily separable molecular catalysis

Cited 17 times inthomson ciCited 18 times inthomson ci
Title
Easily separable molecular catalysis
Other Titles
Easily separable molecular catalysis
Author
Park, Eun DuckLee, Kyung HeeLee, Jae Sung
Keywords
SUPPORTED PDCL2-CUCL2 CATALYSTS; LOW-TEMPERATURE OXIDATION; CARBON-MONOXIDE OXIDATION; DIPHENYL CARBONATE; CO OXIDATION; SELECTIVE OXIDATION; VINYL-ACETATE; XAFS CHARACTERIZATION; WACKER CATALYST; REDOX CATALYST
Issue Date
2000-12
Publisher
ELSEVIER SCIENCE BV
Citation
CATALYSIS TODAY, v.63, no.2-4, pp.147 - 157
Abstract
Homogeneous metal catalysts offer greater selectivity and controllability because their molecular nature ensures that only one type of active site is present. However, the majority of large-scale, industrial chemical processes employs heterogeneous catalysts because of ease of their separation from products, thermal stability, and amenability to continuous processing. Heterogenization of homogeneous catalysts explores the cross-fertilization of two systems to combine most of their advantages. Some examples are discussed of heterogenized palladium complex catalysts applied for low-temperature CO oxidation, carbonylation for the synthesis of ibuprofen or naproxen, oxidative carbonylation for the synthesis of diphenyl carbonate, and functionalization of methane. There appears no significant change in reaction mechanisms when active centers are transferred from solution to the solid surface. In addition to the easy recovery, heterogenized homogeneous catalysts can have advantages in the productivity over homogeneous catalysts when a suitable support material is selected considering its hydrophilicity and surface reactivity. (C) 2000 Elsevier Science B.V. All rights reserved
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DOI
10.1016/S0920-5861(00)00454-5
ISSN
0920-5861
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ECHE_Journal Papers
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