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Surfactant-assisted assembly of nanoscale zinc coordination compounds to enhance tandem conversion reactions in water

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Abstract

Precise control over the morphology and size of coordination polymers (CPs) is crucial for extending these inorganic–organic materials to many advanced applications, in particular for heterogeneous catalysis. In this work, two Zn-based CPs, {[Zn3(idbt)2(4,4′-dmbpy)2]·H2O}n (1) and {[Zn3(idbt)2(H2O)3]·H2O}n (2) (H3idbt = 5,5′-(1H-imidazole-4,5-diyl)-bis-(2H-tetrazole), 4,4′-dmbpy = 4,4′′-dimethyl-2,2′-bipyridine), were synthesized through solvothermal reactions. The morphologies and particle sizes of 1 and 2 could be controlled from large scale to nanoscale by regulating the amount of poly(vinyl alcohol) (PVA). Furthermore, for the conversion reactions of nitromethylbenzenes into benzoic acids, the catalytic properties of nanoscale 1 and 2 were much more efficient than those of large size of 1 and 2, because of the benefit of readily accessible active sites in the nanoscale sized particles, which provide a tunable and functionalizable platform for the conversion reaction by minimizing the diffusion distance but do little for the selectivity.

Graphical abstract: Surfactant-assisted assembly of nanoscale zinc coordination compounds to enhance tandem conversion reactions in water

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Publication details

The article was received on 02 Aug 2019, accepted on 27 Sep 2019 and first published on 27 Sep 2019


Article type: Paper
DOI: 10.1039/C9DT03145F
Dalton Trans., 2019, Advance Article

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    Surfactant-assisted assembly of nanoscale zinc coordination compounds to enhance tandem conversion reactions in water

    C. Huang, K. Zhu, Y. Zhang, G. Lu, Z. Shao, K. Gao, L. Mi and H. Hou, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C9DT03145F

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