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Silver Nanocrystals-Decorated Polyoxometalate Single-Walled Nanotubes as Nanoreactors for Desulfurization Catalysis at Room Temperature

Abstract

Ultrathin nanocrystals generally provide remarkable catalytic performance for the high specific surface area and exposure of certain active sites. However, deactivation caused by growth and gathering limits the catalytic application of ultrathin nanocrystals. Here we report Ag nanocrystal-decorated polyoxometalate single-walled nanotubes (Ag-POM) assembled via a concise, surfactant-free soaking method as a new kind of well-defined core-sheath nanoreactor. The diameter of Ag nanocrystals inside polyoxometalate nanotubes can be controlled via adjusting the reactant concentration simply. Ag-POM provided outstanding oxidative desulfurization (ODS) catalytic performance for aromatic sulfocompounds at room temperature. It was suggested that Ag nanocrystals decorated on the inner surface played a key role on adjusting the electronic distribution and enhancing the catalytic activity. As-prepared Ag-POM nanotubes are promising candidate catalyst for gasoline desulfurization industry with enhanced performance for practical catalytic applications.

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Publication details

The article was received on 02 Jun 2017, accepted on 08 Aug 2017 and first published on 09 Aug 2017


Article type: Paper
DOI: 10.1039/C7NR03906A
Citation: Nanoscale, 2017, Accepted Manuscript
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    Silver Nanocrystals-Decorated Polyoxometalate Single-Walled Nanotubes as Nanoreactors for Desulfurization Catalysis at Room Temperature

    X. Wang, H. Zhang, X. Xu, H. Lin, U. D. Muhammad Aizaz and H. Wang, Nanoscale, 2017, Accepted Manuscript , DOI: 10.1039/C7NR03906A

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