[Chemistry - A European Journal] Ligand Effects on the Surface Composition of Rh-Containing Ionic Liquid Solutions Used in Hydroformylation Catalysis Ligand, Catalysis, Composition, Liquid, Surface

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Ligand Effects on the Surface Composition of Rh-Containing Ionic Liquid Solutions Used in Hydroformylation Catalysis

   1. Dipl.-Chem. Claudia Kolbeck1,†,
   2. Dipl.-Chem. Natalia Paape2,†,
   3. Dipl.-Chem. Till Cremer1,
   4. Dr. Peter S. Schulz2,
   5. Dr. Florian Maier1,
   6. Prof. Dr. Hans-Peter Steinrück1,
   7. Prof. Dr. Peter Wasserscheid2

Article first published online: 8 SEP 2010

DOI: 10.1002/chem.201000903


The chemical surface composition of Rh-containing ionic liquid solutions has been studied by angle-resolved X-ray photoelectron spectroscopy (ARXPS). Rh–tppts complexes of high relevance for multiphase hydroformylation catalysis showed remarkable surface activity, whereas non-tppts containing systems showed Rh depleting from the surface. tppts=tris(3-sodium sulfonatophenyl)phosphine.

http://onlinelibrary.wiley.com/d ... .201000903/abstract

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