Journal
JOURNAL OF MOLECULAR LIQUIDS
Volume 212, Issue -, Pages 763-766Publisher
ELSEVIER
DOI: 10.1016/j.molliq.2015.10.030
Keywords
Gold nanofoam; Deep eutectic solvent; Galvanic replacement; Diffusion-limited aggregation; Catalytic activity
Funding
- National Natural Science Foundation of China [21403301]
- Fundamental Research Funds for Central Universities [14CX02165A]
- Foundation of Key Laboratory of Colloid and Interface Chemistry (Shandong University), Ministry of Education [201402]
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Gold nanofoams (GNFs) were synthesized through the reaction between a zinc plate and a solution of HAuCl4 in the choline chloride/ethylene glycol based deep eutectic solvent (DES) without the assistance of any templates, seeds, or additives. By changing the solvent and the reaction temperature, it was demonstrated that the significantly low conductivity and high viscosity of the DES medium contributed to the formation of the GNFs. Moreover, the catalytic activity of GNFs was tested. Due to the more catalyst active sites, the GNFs showed excellent catalytic efficiency in the cycle use for the reduction of aromatic nitro compounds. (C) 2015 Elsevier B.V. All rights reserved.
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