Citation: Tai Shan Li, Shao Pu Liu, Zhao Xia Lu, Zhong Fang Liu. Synthesis and characterization of cuprous selenide nanocrystals at room temperature[J]. Chinese Chemical Letters, ;2007, 18(5): 617-620. doi: 10.1016/j.cclet.2007.03.023 shu

Synthesis and characterization of cuprous selenide nanocrystals at room temperature

a School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China;
b School of Chemical Engineering and Biological Technology, Hebei Polytechnic University, Tangshan 063000, China

Received Date: 29 November 2006

Fund Project: This work was supported by the National Natural Science Foundation of China (No. 20475045).

A simple method has been developed to prepare cuprous selenide nanocrystals by the reaction of copper nitrate trihydrate with selenium and sodium mercaptoacetate in aqueous ammonia system. Cu₂ Se nanocrystals were characterized by transmission electron microscopy (TEM), high resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD), electron diffraction (ED), fluorescence spectrum and ultraviolet-visible absorption spectrum. Cu₂ Se nanocrystals showed berzelianite structure with 20-40 nm in length and 10-20 nm in width. A possible mechanism is also discussed.
- Cuprous selenide,
- Nanocrystals,
- Synthesis,
- Characterization
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