Study on the Morphology and Phases of Cu-Se Powders Synthesized by Hydrothermal Co-Reduction

Ke Gao Liu; Bo Pang; Zhi Gang Wang; Bin Xu

doi:10.4028/www.scientific.net/AMM.29-32.1824

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 29-32Study on the Morphology and Phases of Cu-Se...

Study on the Morphology and Phases of Cu-Se Powders Synthesized by Hydrothermal Co-Reduction

Abstract:

Cu-Se compound powders are synthesized by hydrothermal co-reduction from CuSO4•5H2O and SeO2 in deionized water at 120～200 °C. The phases and morphology of the products were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM) respectively. Experimental results show that, the CuSe phase can be synthesized at 120,150,180 and 200 °C, however, the purity phases become more with the temperature decreasing. It indicates that the reaction is more incomplete at lower temperature. Hexagonal flakes with side length 100～400 nm can be observed in the products at 150,180 and 200 °C, among which only the product prepared at 180 °C has the hexagonal flakes with good dispersity and homogeneous size with 200 nm length.

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Periodical:

Applied Mechanics and Materials (Volumes 29-32)

Pages:

1824-1827

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.29-32.1824

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Online since:

August 2010

Authors:

Ke Gao Liu, Bo Pang, Zhi Gang Wang, Bin Xu

Keywords:

Copper Selenides, Hydrothermal Co-Reduction, Semiconductor Materials, TEM

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