Sonochemical synthesis of nanocrystalline copper tellurides Cu7Te4 and Cu4Te3 at room temperature

被引：76
|
作者：
Li, B
Xie, Y [1 ]
Huang, JX
Liu, Y
Qian, YT
机构：
[1] Univ Sci & Technol China, Struct Res Lab, Hefei 230026, Anhui, Peoples R China
[2] Univ Sci & Technol China, Lab NanoChem, Hefei 230026, Anhui, Peoples R China
来源：
CHEMISTRY OF MATERIALS | 2000年 / 12卷 / 09期
关键词：
D O I：
10.1021/cm0000898
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper, we report st simple and clean method of producing nanocrystalline copper tellurides in an organic solvent system by high-intensity ultrasonic irradiation at room temperature. Cu4Te3 is prepared in a pure ethylenediamine system and Cu7Te4 is prepared in ethylenediamine with hydrazine hydrate. The products are characterized by X-ray powder diffraction (XRD), transmission electron microscope (TEM), and X-ray photoelectron spectra (XPS). Ultrasonic irradiation and the solvents are both important in the formation of products. The formation mechanism of the nanocrystalline tellurides under high-intensity ultrasonic irradiation is also discussed.
引用
收藏
页码：2614 / 2616
页数：3
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