Gold Bulletin

, Volume 40, Issue 3, pp 206–212

A facile and completely green route for synthesizing gold nanoparticles by the use of drink additives

Open Access
Gold 2006 Scientific Papers


A facile and completely green route to synthesize Au nanoparticles by mixing the Au(III) ions-dissolved rice wine and soda at a slightly elevated temperature in the absence of extra protective agents was developed. Rice wine was used as a solvent and a reducing agent. Also, soda not only functioned as a protective agent but also played a role of base catalyst. No extra protective agents are needed. From the analyses of UV/VIS absorption spectra, TEM, and XRD patterns, the formation of Au nanoparticles was recognized. The appropriate pH and temperature were around 6.5 and 25–55°C, respectively. The resultant solution was quite stable. No precipitation occurred even after several months. In addition, rice wine and soda are often used as the additives of drinks or foods, and are easily obtained in our daily life. So, it becomes possible that people can easily make the Au nanoparticles at home by the route proposed in this work.


Gold nanoparticles green chemistry synthesis 


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Copyright information

© World Gold Council 2007

Authors and Affiliations

  1. 1.Department of Chemical Engineering National ChengKung University TainanTaiwan, R.O.C.

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