Synthesis and Characterization of CdSe Microspheres via Solvothermal Process

Juan Yang; Chuang Liang Zang; Xiao Nong Cheng

doi:10.4028/www.scientific.net/MSF.654-656.1142

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HomeMaterials Science ForumMaterials Science Forum Vols. 654-656Synthesis and Characterization of CdSe...

Synthesis and Characterization of CdSe Microspheres via Solvothermal Process

Abstract:

CdSe particles with the wurtzite structure have been synthesized via solvothermal method using a mixed solution of triethylenetetramine (TETA) and de-ionized water (DIW) without adding a reducing agent. It was found that the ball-like CdSe precursor with the zinc-blende phase could be transformed to the wurtzite structure after heat-treating at 580 °C in Ar atmosphere and the obtained microspheres were composed of small CdSe particles. The experimental results were compared with that obtained without TETA and it was speculated that TETA in the mixed solution played a role of reducing agent and solvent. Both the as-prepared products and the annealed powders were systematically characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and Fourier transform infrared absorbance spectroscopy (FTIR).

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Materials Science Forum (Volumes 654-656)

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1142-1145

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https://doi.org/10.4028/www.scientific.net/MSF.654-656.1142

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June 2010

Authors:

Juan Yang, Chuang Liang Zang, Xiao Nong Cheng

Keywords:

CdSe, Chemical Synthesis, Nanostructure

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