| Autors: Kostov, V. S., Tzaneva, B. R. Title: Characterization and Electrochemical Investigation of Heterogeneous Sb-Cu Coatings Keywords: antimony; copper alloy; electrodeposition; porous structure; Abstract: In recent years, Cu-Sb-based alloys have been considered promising materials for various green applications; for instance, they can serve as catalysts for CO2 reduction, anodic material for met-al-ion batteries, and a light-absorbing layer in solar cell. Our research is focused on the electro-deposition of antimony-copper alloy layers with copper content between 18–30 wt.%. The layers were observed by scanning, atomic force and transmission electron spectroscopies. Their phase structure, roughness, and hardness were also determined. The electrochemical properties were investigated by using electrochemical impedance spectroscopy and potentiodynamic polarization tests in 0.5 M sulfuric acid. Decreasing the copper content leads to an increase in chemical and morphological heterogeneity and an increase in the roughness from 1.74 to 2.94 μm due to the separation of antimony crystal clusters protruding above the surface but does not significantly af-fect the hardness and .. References Issue
Copyright MDPI |
Вид: статия в списание, публикация в издание с импакт фактор, публикация в реферирано издание, индексирана в Scopus и Web of Science
