Citation: Si Hai ChEN, Xin Min REN. THE PREPARATION AND CHARACTERIZATION OF ZnO-Ag CORE-SHELL ULTRAFINE PARTICLE[J]. Chinese Chemical Letters, ;1994, 5(9): 809-810. shu

THE PREPARATION AND CHARACTERIZATION OF ZnO-Ag CORE-SHELL ULTRAFINE PARTICLE

Si Hai ChEN ,
Xin Min REN

Institute of Photographic Chemistry, Academia Sinica, Beijing 100101

Received Date: 21 February 1994

The ZnO-Ag core-shell ultrafine particle in ethanol was prepared by photoreduction and colloidal methods.The experimental results obtained from absorption spectroscopy,fluorescence spectroscopy and electron microscopy revealed that the structure of the hybrid particle is ZnO core covered with Ag shell.The thickness of the silver layer can be controlled by the concentration of Ag⁺ ions and the time of UV irradiation.The structure of the electric double layer of the ZnO seed greatly affects the formation of ZnO-Ag hybrid particle.
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