Synthesis of dendritic silver nano powder using pulsing electrolysis in ammonia solution
A method to produce nano silver structures with high purity is pulsing electrolysis. In this paper the effects of potential, ammonia concentration (NH3), silver ion concentration [Ag+], total time, Ton, Toff and Trev on this process were studied. The considered parameters were varied as follows: ele...
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University of Belgrade, Technical Faculty, Bor
2019-01-01
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| Series: | Journal of Mining and Metallurgy. Section B: Metallurgy |
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| Online Access: | http://www.doiserbia.nb.rs/img/doi/1450-5339/2019/1450-53391900018S.pdf |
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| author | Soltanzadeh A. Shahini S. Rashchi F. Saba M. |
| author_facet | Soltanzadeh A. Shahini S. Rashchi F. Saba M. |
| author_sort | Soltanzadeh A. |
| collection | DOAJ |
| description | A method to produce nano silver structures with high purity is pulsing electrolysis. In this paper the effects of potential, ammonia concentration (NH3), silver ion concentration [Ag+], total time, Ton, Toff and Trev on this process were studied. The considered parameters were varied as follows: electrical potential = 5 – 10 V; [NH3] = 40 – 80 g/L; [Ag+] = 0.1 – 0.5 g/L; total time = 15 – 30 min; Ton = 1 – 8 ms; Toff = 1 – 8 ms; and Trev = 0 – 4 ms. In order to optimize these parameters, the fractional factorial design of experiments was used. A silver dendritic structure was produced with nano size arm. The phase composition and morphology of the synthetized dendritic silver nanostructures was determined by X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. The optimum condition to synthesize the dendritic silver nano powders were 7.52 V; [NH3] = 64.75 g/L; [Ag+] = 0.45 g/L; total time = 17.59 min; Ton = 6.97 ms; Toff = 4 ms; and Trev = 1.89 ms. A mathematical model was also presented. The predicted silver nano size dendrite arm at the optimum condition was found to be 87.29 nm which was very close to the experimental value of 90 nm. |
| format | Article |
| id | doaj-art-84f9b7b5e3f94b2b9d93c666d9876739 |
| institution | Kabale University |
| issn | 1450-5339 2217-7175 |
| language | English |
| publishDate | 2019-01-01 |
| publisher | University of Belgrade, Technical Faculty, Bor |
| record_format | Article |
| series | Journal of Mining and Metallurgy. Section B: Metallurgy |
| spelling | doaj-art-84f9b7b5e3f94b2b9d93c666d98767392025-02-02T11:16:19ZengUniversity of Belgrade, Technical Faculty, BorJournal of Mining and Metallurgy. Section B: Metallurgy1450-53392217-71752019-01-0155226127010.2298/JMMB180614018S1450-53391900018SSynthesis of dendritic silver nano powder using pulsing electrolysis in ammonia solutionSoltanzadeh A.0Shahini S.1Rashchi F.2Saba M.3University of Tehran, College of Engineering, School of Metallurgy and Materials Engineering, Tehran, IranUniversity of Tehran, College of Engineering, School of Metallurgy and Materials Engineering, Tehran, IranUniversity of Tehran, College of Engineering, School of Metallurgy and Materials Engineering, Tehran, IranUniversity of Tehran, College of Engineering, School of Metallurgy and Materials Engineering, Tehran, IranA method to produce nano silver structures with high purity is pulsing electrolysis. In this paper the effects of potential, ammonia concentration (NH3), silver ion concentration [Ag+], total time, Ton, Toff and Trev on this process were studied. The considered parameters were varied as follows: electrical potential = 5 – 10 V; [NH3] = 40 – 80 g/L; [Ag+] = 0.1 – 0.5 g/L; total time = 15 – 30 min; Ton = 1 – 8 ms; Toff = 1 – 8 ms; and Trev = 0 – 4 ms. In order to optimize these parameters, the fractional factorial design of experiments was used. A silver dendritic structure was produced with nano size arm. The phase composition and morphology of the synthetized dendritic silver nanostructures was determined by X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. The optimum condition to synthesize the dendritic silver nano powders were 7.52 V; [NH3] = 64.75 g/L; [Ag+] = 0.45 g/L; total time = 17.59 min; Ton = 6.97 ms; Toff = 4 ms; and Trev = 1.89 ms. A mathematical model was also presented. The predicted silver nano size dendrite arm at the optimum condition was found to be 87.29 nm which was very close to the experimental value of 90 nm.http://www.doiserbia.nb.rs/img/doi/1450-5339/2019/1450-53391900018S.pdfpulsing electrolysisdendritic nanostructureammonia mediumnano silver |
| spellingShingle | Soltanzadeh A. Shahini S. Rashchi F. Saba M. Synthesis of dendritic silver nano powder using pulsing electrolysis in ammonia solution Journal of Mining and Metallurgy. Section B: Metallurgy pulsing electrolysis dendritic nanostructure ammonia medium nano silver |
| title | Synthesis of dendritic silver nano powder using pulsing electrolysis in ammonia solution |
| title_full | Synthesis of dendritic silver nano powder using pulsing electrolysis in ammonia solution |
| title_fullStr | Synthesis of dendritic silver nano powder using pulsing electrolysis in ammonia solution |
| title_full_unstemmed | Synthesis of dendritic silver nano powder using pulsing electrolysis in ammonia solution |
| title_short | Synthesis of dendritic silver nano powder using pulsing electrolysis in ammonia solution |
| title_sort | synthesis of dendritic silver nano powder using pulsing electrolysis in ammonia solution |
| topic | pulsing electrolysis dendritic nanostructure ammonia medium nano silver |
| url | http://www.doiserbia.nb.rs/img/doi/1450-5339/2019/1450-53391900018S.pdf |
| work_keys_str_mv | AT soltanzadeha synthesisofdendriticsilvernanopowderusingpulsingelectrolysisinammoniasolution AT shahinis synthesisofdendriticsilvernanopowderusingpulsingelectrolysisinammoniasolution AT rashchif synthesisofdendriticsilvernanopowderusingpulsingelectrolysisinammoniasolution AT sabam synthesisofdendriticsilvernanopowderusingpulsingelectrolysisinammoniasolution |