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A Solvothermal Route to Nanocrystalline Cu7Te4 at Low Temperature

✍ Scribed by B. Li; Y. Xie; J.X. Huang; H.L. Su; Y.T. Qian

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
130 KB
Volume
146
Category
Article
ISSN
0022-4596

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✦ Synopsis

Nanocrystalline Cu 7 Te 4 was directly synthesized by the reaction of CuCl 2 ' 2H 2 O and tellurium in an autoclave with ethylenediamine as solvent at 1603C for 10 h. X-ray powder di4raction patterns, X-ray photoelectron spectra, and transmission electron microscope images show that the products are hexagonal Cu 7 Te 4 phase and well crystallized with an average size of about 15 nm. The solvent ethylenediamine played an important role in the synthesis of nanocrystalline Cu 7 Te 4 . The reaction mechanism was proposed.

πŸ“œ SIMILAR VOLUMES

Solvothermal Coordination–Reduction Rout
Solvothermal Coordination–Reduction Route to Ξ³-NiSb Nanocrystals at Low Temperature
✍ Yi Xie; Jun Lu; Ping Yan; Xuchuan Jiang; Yitai Qian πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 177 KB

A very mild synthesis of nanocrystalline -NiSb via a novel solvothermal coordination-reduction process is reported here. The reaction of the mixture of NiCl 2 , antimony, and KBH 4 was carried out in ethylenediamine (en) at 1403C for 24 h. X-ray powder di4raction and transmission electron microscope