Literature DB >> 24986134

A single-site platinum CO oxidation catalyst in zeolite KLTL: microscopic and spectroscopic determination of the locations of the platinum atoms.

Joseph D Kistler1, Nutchapon Chotigkrai, Pinghong Xu, Bryan Enderle, Piyasan Praserthdam, Cong-Yan Chen, Nigel D Browning, Bruce C Gates.   

Abstract

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.
© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Entities:  

Keywords:  EXAFS; electron microscopy; platinum; single-site catalysts; zeolites

Year:  2014        PMID： 24986134     DOI： 10.1002/anie.201403353

Source DB:  PubMed          Journal:  Angew Chem Int Ed Engl        ISSN： 1433-7851            Impact factor:   15.336


  9 in total

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Review 7.  Engineering of Transition Metal Catalysts Confined in Zeolites.

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9.  Direct Atomic-Level Imaging of Zeolites: Oxygen, Sodium in Na-LTA and Iron in Fe-MFI.

Authors:  Alvaro Mayoral; Qing Zhang; Yi Zhou; Pengyu Chen; Yanhang Ma; Taro Monji; Pit Losch; Wolfgang Schmidt; Ferdi Schüth; Hajime Hirao; Jihong Yu; Osamu Terasaki
Journal:  Angew Chem Int Ed Engl       Date:  2020-07-20       Impact factor: 15.336
  9 in total

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