| Title: |
Effective CuSO4 Concentration on Phase Formation and Optical Characteristics of Electrodeposited Ni-Cu Alloy. |
| Authors: |
Dejang, Nuchjira1, Klinbumrung, Arrak2,3, Sirirak, Reungruthai2,3 reungruthai.si@up.ac.th |
| Source: |
Trends in Sciences. Feb2025, Vol. 22 Issue 2, p1-13. 13p. |
| Subject Terms: |
*OPTICAL coatings, *LIGHT absorption, *SCANNING electron microscopy, *OPTICAL properties, *LATTICE constants, *ALLOY plating |
| Abstract: |
Ni-Cu alloys play a critical role in various industrial applications due to their exceptional characteristics. Despite extensive study of these alloys for their mechanical and corrosion characteristics, their optical properties have received limited attention. In this research, the electrodeposition of Ni-Cu alloy coatings was conducted using copper sulfate concentrations ranging from 1.25 to 10 g/L, leading to successful film formation with various phases. XRD examination associated with the Rietveld calculation exhibited modified phase fraction, crystallite size, micro-strain, and lattice constant. Scanning Electron Microscopy (SEM) analysis revealed a different thickness and a dendritic microstructure. As an increase in CuSO4, there was observed an increase in the values of the absorption edge (showing 1.61 - 1.90 eV), texture coefficient (0.46 - 0.82), and film thickness (0.63 - 1.74 µm). These various morphologies enhanced the material's properties. In more added CuSO4 samples, the coatings significantly reveal a modification in the crystal, film growth, and optical properties. The advancements in visible light absorption suggest an enhanced coating for optical technology applications. [ABSTRACT FROM AUTHOR] |
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| Database: |
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