Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 48, Pages 20588-20596Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta04311a
Keywords
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Funding
- National High Technology Research and Development Program of China (863 program) [2013AA031702]
- Beijing Natural Science Foundation [2144052]
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In this study, highly dispersed Au nanoparticles have been immobilized on amino-functionalized metal-organic frameworks (MOFs) via a novel absorption/reduction method in solution. The amino functionality of the MOF rapidly coordinated with HAuCl4 and acted as the Au(0) precursor in the absence of protecting agents. The resulting Au@MOF catalyst was well dispersed in aqueous media taking advantage of its well-defined and uniform sizes and nanomorphologies. The as-synthesized Au@MOF catalyst exhibited high catalytic activities in a wide variety of reactions under ambient conditions, such as the base-free aerobic oxidation of alcohols and oxidation/imine formation/reduction reaction sequences. Furthermore, the Au@MOF catalyst can be easily recovered and reused several times without leaching of metals or significant loss of activity.
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