Influence of NaCl Concentration on the Size of CdS Nanoparticles in the Presence of PVA
| Authors | O.V. Smitiukh1 , О.М. Yanchuk1 , O.V. Marchuk1, O.A. Vyshnevskyi2 |
| Affiliations |
1Lesya Ukrainka Volyn National University, 43025 Lutsk, Ukraine 22M.P. Semenenko Institute of Geochemistry, Mineralogy and Ore Formation NAS of Ukraine, Kyiv, 03142, Ukraine |
| Е-mail | bvv260170@ukr.net |
| Issue | Volume 17, Year 2025, Number 5 |
| Dates | Received 15 August 2025; revised manuscript received 20 October 2025; published online 30 October 2025 |
| Citation | O.V. Smitiukh, О.М. Yanchuk, et al., J. Nano- Electron. Phys. 17 No 5, 05001 (2025) |
| DOI | https://doi.org/10.21272/jnep.17(5).05001 |
| PACS Number(s) | 61.46.Df, 78.67.Bf |
| Keywords | Electrochemical Synthesis, Nanoparticles (70) , Cadmium Sulfide, Structure (105) . |
| Annotation |
The present study is devoted to the synthesis of cadmium sulfide (CdS) powders through electrolysis is, revealing their structural and morphological characteristics. By electrochemical method, we obtained the mix nanoparticles with two modifications – sphalerite and wurtzite, whereas the wurtzite is predominant. X-ray phase analysis confirmed that all synthesized powders are pure cadmium sulfide in both sphalerite (space group CdS_F3m) and wurtzite (space group P63mc) modifications. Utilizing peak parameters from diffractograms and the Scherrer method, we calculated average thickness of the particles. The particles of sphalerite is bigger than wurtzite ones: the average size of the sphalerite particles is 19.5 nm, wurtzite – 13.5 nm, and general thickness – 14.4 nm. The effect of the NaCl concentration is not significant in the presence of PVA. Scanning Electron Microscopy (SEM) analysis revealed a flaky morphology with significant size variation among particles, ranging from 20 to 200 nm, and an average diameter increase from 100 to 120 nm at higher NaCl concentrations. The largest particles emerged at NaCl concentrations of 1.8-2.0 mol/L. Additionally, the incorporation of polyvinyl alcohol (PVA) into the electrolyte resulted in a notable increase in average particle diameters. Since particles with a large size range are synthesized, it can be assumed that PVA has the minor influence as the stabilizer. These findings contribute to the understanding of the synthesis and properties of CdS nanoparticles, with implications for their potential applications in various fields. |
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