Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 64, Issue -, Pages 1-4Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2015.12.015
Keywords
Carbon films; Acetylide ions; Anodic oxidation; Electro-deposition; Molten salt
Categories
Funding
- National Natural Science Foundation of China [50874026, 51404057]
- Doctoral Dissertation Foundation of Northeastern University
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The electrochemical deposition of carbon films on a nickel substrate was carried out through anodic oxidation of calcium acetylide dissolved in a LiCl-KCl-CaCl2 melt at 823 K. Continuous and tenacious carbon films were prepared by a two-stage anodically potentiostatic deposition at a fast rate, and characterized by SEM, Raman spectroscopy, XRD and XPS. The results show the carbon films composed of micron-sized particles with graphitized and amorphous phases containing amixture of sp(3) and sp(2) carbon. The cyclic voltammetry behavior of acetylide anion on graphite and nickel electrodes indicated that C-2(2)-ions are oxidized more favorably on the nickel substrate due to the anodic depolarization from nickel carburization. (C) 2016 Elsevier B.V. All rights reserved.
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