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Sonochemical Synthesis of Nanocrystalline Silver Tellurides Ag2Te and Ag7Te4

✍ Scribed by Bin Li; Yi Xie; Yu Liu; Jiaxing Huang; Yitai Qian

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
236 KB
Volume
158
Category
Article
ISSN
0022-4596

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✦ Synopsis

In this paper, we report a simple and clean method of producing nanocrystalline silver tellurides in organic solvent systems by high-intensity ultrasonic irradiation at room temperature. Ag 2 Te and Ag 7 Te 4 are prepared in an ethylenediamine system and an ethanol system, respectively. The products were mainly characterized by X-ray powder di4raction and transmission electron microscopy. The ultrasonic irradiation and the solvents are both important in the formation of products. The possible mechanism of the nanocrystalline Ag 2 Te formation in ethylenediamine under high-intensity ultrasonic irradiation is also discussed.

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