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Characterization of ultrafine copper powder prepared by novel electrodeposition method

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Abstract

The auto-evolved ultrafine copper powders were synthesized via a novel electrodeposition route performed by ultrasonic dispersion of the electrolyte. The properties of the samples obtained were characterized by X-ray powder diffractometry (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM) and laser size distribution analyzer (SL) respectively. The formation mechanisms of the powders and the efficiency of the elctrodeposition were discussed. The results show that the as-prepared powders are high-purity copper nanoparticles with the fcc structure taking a mixture of fishbone-like and irregular shapes. When the concentration of Cu2+ increases from 0.03 to 0.09 mol/L, the average size of copper particles increases from 0.92 to 1.80 µm, and current efficiency of electrodeposition linearly changes from 66.5% to 91.3%.

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Authors and Affiliations

  1. Key Laboratory of Nonferrous Metal Materials Science and Engineering, Ministry of Education, Central South University, Changsha, 410083, China

    Wei He  (贺 玮), Xue-chen Duan  (段学臣) & Lei Zhu  (朱 磊)

  2. School of Materials Science and Engineering, Central South University, Changsha, 410083, China

    Wei He  (贺 玮), Xue-chen Duan  (段学臣) & Lei Zhu  (朱 磊)

Authors
  1. Wei He  (贺 玮)
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  2. Xue-chen Duan  (段学臣)
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  3. Lei Zhu  (朱 磊)
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Corresponding author

Correspondence to Xue-chen Duan  (段学臣).

Additional information

Foundation item: Project(08JJ3104) support by Hunan Provincial Natural Science Foundation of China

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He, W., Duan, Xc. & Zhu, L. Characterization of ultrafine copper powder prepared by novel electrodeposition method. J. Cent. South Univ. Technol. 16, 708–712 (2009). https://doi.org/10.1007/s11771-009-0117-0

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  • DOI: https://doi.org/10.1007/s11771-009-0117-0

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