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ÎÄÏ×ÈçÏ£º1.0 g HAuCl4(H2O)3 (2.5 mmol) was added to 100 ml
tetralin, followed by 10 ml oleylamine (30 mmol) to form a red solution. The solution
was then heated at 65¡ãC for 5 hrs and then cooled to room temperature. Ethanol was
added to the solution, and gold particles were separated by centrifugation, washed by
ethanol, and then redispersed in hexane.
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