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Janus coordination polymer derived PdO/ZnO nanoribbons for efficient 4-nitrophenol reduction

Abstract

We design a facile and green self-assembly route for the large-scale production of the bimetallic coordination polymers - Zn(MAA)2/Pd(II) nanoribbons by employing two terminal units with distinct hard-soft properties of the smallest semi-rigid methacrylate anion (MAA-) to combine with two different kinds of metal ions, respectively. The COO- (chemically hard base) served as the initial units are applied to coordinate with the Zn2+ ions for constructing host network of this Janus CPs by facilely adjusting the proportion of ethanol/water to control the desolvation degree. After soaking in ethanol solution of PdCl2, the alkene units (chemically soft base) act as the secondary donors to load the soft noble metal Pd2+ ions to form Zn(MAA)2/Pd(II) nanoribbons, which are ideal precursors of ZnO/PdO nanoribbons. By pyrolyzing the dual metal ion equipped Zn(MAA)2/Pd(II) precursors, ZnO nanoribbons supported PdO nanoparticles (NPs) with a well-defined structure are facilely fabricated with a large scale. Furthermore, the as-obtained ZnO/PdO nanoribbons exhibit efficient catalytic performance for the reduction of 4-NP, which can convert 99.3% of the substrates within 6 min. This superior catalytic performance may attribute to the well-dispersed PdO nanoparticles as well as the no additional agents introduced green synthetic method.

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Supplementary files

Article information


Submitted
12 Nov 2019
Accepted
05 Feb 2020
First published
06 Feb 2020

New J. Chem., 2020, Accepted Manuscript
Article type
Paper

Janus coordination polymer derived PdO/ZnO nanoribbons for efficient 4-nitrophenol reduction

M. Liu, F. Cui, Q. Ma, L. Xu, J. Zhang, R. zhang and T. Cui, New J. Chem., 2020, Accepted Manuscript , DOI: 10.1039/C9NJ05647E

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