Influence of dopant substitution mechanism on catalytic properties within hierarchical architectures
Author(s) -
Stephanie H. Newland,
Wharton Sinkler,
Thomas M. Mezza,
Simon R. Bare,
Robert Raja
Publication year - 2016
Publication title -
proceedings of the royal society a mathematical physical and engineering sciences
Language(s) - English
Resource type - Journals
eISSN - 1471-2946
pISSN - 1364-5021
DOI - 10.1098/rspa.2016.0095
Subject(s) - dopant , catalysis , beckmann rearrangement , characterization (materials science) , materials science , transition metal , phase (matter) , porosity , chemical engineering , combinatorial chemistry , chemistry , nanotechnology , doping , organic chemistry , optoelectronics , engineering
A range of hierarchically porous (HP) AlPO-5 catalysts, with isomorphously substituted transition metal ions, have been synthesized using an organosilane as a soft template. By employing a range of structural and spectroscopic characterization protocols, the properties of the dopant-substituted species within the HP architectures have been carefully evaluated. The resulting nature of the active site is shown to have a direct impact on the ensuing catalytic properties in the liquid-phase Beckmann rearrangement of cyclic ketones.
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