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In situ Synthesis of Ultrafine Metal Clusters triggered by Dodecaborate Supramolecular Organic Frameworks

Abstract

Supramolecular nano-assemblies with tunable morphology have attracted extensive attentions in many frontiers and composite materials manufacturing. Herein, a new class of shape-controlled dodecaborate-based supramolecular organic frameworks (BOFs), decorated with diverse ultrafine noble metal clusters (Au, Pd, Pt, Ag), have been successfully fabricated via the tunable host-guest assembly of cucurbit[n=5,6,7,8]uril and Cs2[closo-B12H12]. Benefiting from the unique dodecaborate-cucurbit[n]uril chaotropic effect, a breakthrough has been made in modulating the supramolecular frameworks in the urchin-like, network-like or octahedron-like structures without any tedious chemical modification or additional additives. More interestingly, Cs2[closo-B12H12], the leading actor in supramolecular structures, can also play dual roles as preeminent reductant and capping agent in the metal clusters formation. The final product, BOFs decorated with ultrafine metal clusters (metal/BOFs), can precipitated from the aqueous solutions rapidly and showed high catalytic activity and recyclability in the Suzuki reactions and selective reduction of furfural (FAL) to furfuryl alcohol (FOL).

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Publication details

The article was received on 27 Aug 2018, accepted on 07 Oct 2018 and first published on 08 Oct 2018


Article type: Paper
DOI: 10.1039/C8NR06917D
Citation: Nanoscale, 2018, Accepted Manuscript
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    In situ Synthesis of Ultrafine Metal Clusters triggered by Dodecaborate Supramolecular Organic Frameworks

    B. Qi, X. Li, L. Sun, B. Chen, H. Chen, C. Wu, H. Zhang and X. Zhou, Nanoscale, 2018, Accepted Manuscript , DOI: 10.1039/C8NR06917D

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