期刊
CHEMCATCHEM
卷 1, 期 2, 页码 279-285出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.200900087
关键词
C-C coupling; environmental chemistry; heterogeneous catalysis; palladium; photoelectron spectroscopy
A newly, developed, environmentally benign palladium catalyst supported on gallium arsenide, {Pd}-S-GaAs(001), has both the lowest recorded leaching and high recyclability for Suzuki-Miyaura coupling. Measurements of the catalyst surface by synchrotron radiation X-ray photoelectron spectroscopy show a relationship between the surface and the activity of the catalyst. Since {Pd}-S-GaAs(001) makes efficient use of the rare metal Pd, it is a useful palladium catalyst from an atom-economical perspective. Two heterogeneity tests clarify that the presence of immobilized palladium on S-GaAs is important for higher catalytic activity.
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