期刊
NEW JOURNAL OF CHEMISTRY
卷 40, 期 2, 页码 1685-1692出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nj02978c
关键词
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资金
- National Natural Foundation of China [21105042]
- Science Foundation of China Postdoctor [2014M560572]
- Natural Science Foundation of Shandong Province [ZR2015BM024, ZR2010BQ021]
- Shandong the Tai-Shan Scholar Research Fund
Graphene oxide-supported hollow Au-Ag alloy nanocages (AuAgNC/GO) with tunable shell composition were in situ fabricated by employing a galvanic replacement reaction (GRR) between HAuCl4 and Ag nanoparticles loaded on graphene oxide nanosheets (AgNP/GO). AgNPs on the graphene oxide nanosheets were first synthesized as sacrificial templates by the microwave method. The as-synthesized hybrid materials were characterized by TEM, EDX, HAADF-STEM, XRD and XPS. On the well-known 4-nitrophenol (4-NP) reduction to 4-aminophenol (4-AP) in the presence of excess borohydride, AuAgNC/GO as a solid phase heterogeneous catalyst has been investigated, which exhibited a short induction time, high catalytic activity and good stability against agglomeration for the reduction.
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