Fig. 8. SEM surface images according to the NiCl₂ concentrations of (a) 0.005, (b) 0.010, (c) 0.020, and (d) 0.030 M, respectively.

Applied Science and Convergence Technology 2024;33:36~40 https://doi.org/10.5757/ASCT.2024.33.2.36

© Appl. Sci. Converg. Technol.