Issue 34, 2020

Noble metal nanoclusters-decorated NiFe layered double hydroxide superstructure as nanoreactors for selective hydrogenation catalysis

Abstract

The ability to conduct the self-assembly of nanometer-scale building blocks is the core issue in achieving “bottom-up” fabrications of desired superstructures. However, the general fabrication strategy of a superstructure at an ultrathin nanoscale is not yet fully developed. Herein, we report a facile synthesis route for 3d transition metal layered double hydroxide (LDH) based laminar superstructures via a concise hydrothermal process. The LDH laminar superstructures are further decorated by noble metal clusters to form a new kind of 2-dimensional nanoreactor, which presents outstanding catalytic performance under mild conditions. It is suggested that dodecyl sulfate anions play a key role in the self-assembly of well-defined laminar superstructures, which provide a confinement effect and enhance the activity and selectivity of the catalytic process. The fabrication of an as-prepared nanoreactor reveals a new strategy to tailor the performance of catalysts with high selectivity.

Graphical abstract: Noble metal nanoclusters-decorated NiFe layered double hydroxide superstructure as nanoreactors for selective hydrogenation catalysis

Supplementary files

Article information

Article type
Paper
Submitted
16 Apr. 2020
Accepted
09 Aug. 2020
First published
10 Aug. 2020

Nanoscale, 2020,12, 17780-17785

Noble metal nanoclusters-decorated NiFe layered double hydroxide superstructure as nanoreactors for selective hydrogenation catalysis

H. Zhang, X. Guo and X. Wang, Nanoscale, 2020, 12, 17780 DOI: 10.1039/D0NR03007D

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