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Citation: YAO Su-Wei, CAO Yan-Rui, ZHANG Wei-Guo. Preparation of Silver Nanoparticles of Different Shapes via Photoreduction Method[J]. Chinese Journal of Applied Chemistry, ;2006, 23(4): 438-440. shu

Preparation of Silver Nanoparticles of Different Shapes via Photoreduction Method

1.
Shanshan Surface Technology Research Laboratory, Department of Applied Chemistry, Tianjin University, Tianjin 300072

Corresponding author: YAO Su-Wei,
Received Date: 25 May 2005
Available Online: 13 July 2005
Fund Project: 国家自然科学基金项目(50271046) (50271046)国家教育部博士点基金项目(20030056034) (20030056034)

Silver nanoparticles of controlled shapes were prepared in an AgNO₃-TSC systerm by a simple photoreduction technique.The growth mechanism was investigated via UV-Vis and TEM techniques.The result indicates that UV radiation was necessary to reduce Ag⁺ from the solution and the particle morphologies strongly depended on the wavelength of the irradiation light.Sliver nanorods and nanoprisms were obtained under 253.7 nm and 365 nm ultraviolet irradiations,respectively,while nanoprisms, nanorods,nanocubes and nanospheres coinstantaneous appeared under 200~2 000 nm broad band irradiation.
- photoreduction,
- silver nanoparticles,
- shape-controlled
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