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 4 2020
Accepted
09 8 2020
First published
10 8 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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