Journal
SCIENCE CHINA-CHEMISTRY
Volume 57, Issue 11, Pages 1532-1537Publisher
SCIENCE PRESS
DOI: 10.1007/s11426-014-5208-6
Keywords
Pt-Au-Ag-hybrid; ascorbic acid; glutathione; 4-nitrophenol; catalyst
Categories
Funding
- National Basic Research Program of China [2010CB732404]
- National Natural Science Foundation of China [81325011, 21327902, 21175020]
- National High Technology Research and Development Program of China [2012AA022703]
- Major Science & Technology Project of Suzhou [ZXY2012028]
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Recently much attention has been paid to the application of metal hybrid nanoparticles in industrial catalytic fields because of their super-efficient catalytic activity and attractive properties. We explored a novel strategy to prepare GSH-capped Pt-Au-Ag-hybrid nanoclusters through the synergistic effect between ascorbic acid (VC) and glutathione (GSH) with chloroplatinic acid, chloroauric acid, and silver nitrate as precursors. The potential utilization of as-prepared GSH-capped Pt-Au-Ag-hybrid nanoclusters for catalytic applications has been evaluated through the reduction of 4-nitrophenol (4-NP) with NaBH4; we obtained the kinetic data by monitoring with UV-Vis spectroscopy. Our results illustrate that GSH-capped Pt-Au-Ag-hybrid nanoclusters could facilitate the process of reduction of 4-NP in a way that is unprecedented. This approach may offer a novel, non-cytotoxicity, efficient catalyst for industry.
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