Journal
GREEN CHEMISTRY
Volume 13, Issue 10, Pages 2801-2805Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1gc15873b
Keywords
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Funding
- National Natural Science Foundation of China [20776090]
- A Foundation for the Author of National Excellent Doctor Dissertation of P. R. China [FANEDD200762]
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Gold nanoparticles (AuNPs) are first prepared for the first time by a one-step, green synthesis method using plant tannins as reductant as well as stabilizer. Subsequently, the resultant AuNPs were supported on gamma-Al2O3 to prepare a heterogeneous AuNP catalyst (Al2O3-BT-AuNPs). The resultant Al2O3-BT-AuNPs catalyst was well characterized by N-2 adsorption/desorption, ultraviolet diffusion reflection (UV-DR) spectroscopy and transmission electron microscopy (TEM). It was found that the Al(2)O3-BT-AuNPs catalyst was highly active and reusable in the catalytic reduction of 4-nitrophenol to 4-aminophenol, and its catalytic activity was dependant on the loading percentage of BT.
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