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Noble-Metal-Promoted Three-Dimensional Macroassembly of Single-Layered Graphene Oxide

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  • This work was supported by the NSFC (20725102, 20971078, 20921001), the Fok Ying Tung Education Foundation (111012), and the State Key Project of Fundamental Research for Nanoscience and Nanotechnology (2006CB932301).

Abstract

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Barreling along: 3D macrostructures (cylinder; see picture) have been assembled from single-layered graphene oxide and noble-metal nanocrystals (Au, Ag, Pd, Ir, Rh, Pt, etc.). Although the density of the cylinders is very low (ca. 0.03 g cm−3), they show excellent mechanical properties and have been utilized as a fixed-bed catalyst for the Heck reaction, which proceeded with nearly 100 % selectivity and conversion.

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