Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 34, Pages 8904-8907Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201403353
Keywords
electron microscopy; EXAFS; platinum; single-site catalysts; zeolites
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Funding
- Department of Energy (DOE) Basic Energy Science [FG02-04ER15513, DE-SC0005822]
- Royal Golden Jubilee PhD program of the Thailand research fund
- DOE, Office of Science, Basic Energy Sciences [DE-AC02-76SF00515]
- Laboratory Directed Research and Development Program Chemical Imaging Initiative at Pacific Northwest National Laboratory (PNNL)
- Environmental Molecular Sciences Laboratory
- DOE's Office of Biological and Environmental Research at PNNL
- DOE [DE-AC05-76L01830]
- U.S. Department of Energy (DOE) [DE-SC0005822] Funding Source: U.S. Department of Energy (DOE)
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A stable site-isolated mononuclear platinum catalyst with a well-defined structure is presented. Platinum complexes supported in zeolite KLTL were synthesized from [Pt(NH3)(4)](NO3)(2), oxidized at 633 K, and used to catalyze CO oxidation. IR and X-ray absorption spectra and electron micrographs determine the structures and locations of the platinum complexes in the zeolite pores, demonstrate the platinum-support bonding, and show that the platinum remained site isolated after oxidation and catalysis.
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