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A Single‐Site Platinum CO Oxidation Catalyst in Zeolite KLTL: Microscopic and Spectroscopic Determination of the Locations of the Platinum Atoms
Author(s) -
Kistler Joseph D.,
Chotigkrai Nutchapon,
Xu Pinghong,
Enderle Bryan,
Praserthdam Piyasan,
Chen CongYan,
Browning Nigel D.,
Gates Bruce C.
Publication year - 2014
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201403353
Subject(s) - platinum , catalysis , zeolite , chemistry , inorganic chemistry , materials science , organic chemistry
A stable site‐isolated mononuclear platinum catalyst with a well‐defined structure is presented. Platinum complexes supported in zeolite KLTL were synthesized from [Pt(NH 3 ) 4 ](NO 3 ) 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.