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掺杂取代机制对分级结构内催化性能的影响。

Influence of dopant substitution mechanism on catalytic properties within hierarchical architectures.

作者信息

Newland Stephanie H, Sinkler Wharton, Mezza Thomas, Bare Simon R, Raja Robert

机构信息

School of Chemistry , University of Southampton , Southampton SO17 1BJ, UK.

UOP LLC , a Honeywell Company , Des Plaines, IL 60017, USA.

出版信息

Proc Math Phys Eng Sci. 2016 Jul;472(2191):20160095. doi: 10.1098/rspa.2016.0095.

DOI:10.1098/rspa.2016.0095
PMID:27493563
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4971239/
Abstract

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.

摘要

使用有机硅烷作为软模板,合成了一系列具有同晶取代过渡金属离子的分级多孔(HP)AlPO-5催化剂。通过采用一系列结构和光谱表征方法,对HP结构中掺杂取代物种的性质进行了仔细评估。结果表明,活性位点的性质对环状酮液相贝克曼重排过程中的催化性能有直接影响。

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J Am Chem Soc. 2015 Jul 8;137(26):8534-40. doi: 10.1021/jacs.5b03734. Epub 2015 Jun 29.
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Organosilane surfactant-directed synthesis of hierarchical porous SAPO-34 catalysts with excellent MTO performance.有机硅烷表面活性剂导向合成具有优异甲醇制烯烃性能的分级多孔SAPO-34催化剂。
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