Synthesis of ZnS thin films from aqueous caustic of trisodium citrate and their properties
Zinc sulfide (ZnS) thin films due to their properties are widely used in various electronic optical devices. They are produced by several methods, among which – vacuum sublimation, high frequency sputtering method, quasiclosed volume method, sol-gel method, electrodeposition. These methods have high...
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| Format: | Article |
| Language: | English |
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Odessa National Polytechnic University
2015-12-01
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| Series: | Trudy Odesskogo Politehničeskogo Universiteta |
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| Online Access: | http://pratsi.opu.ua/articles/show/4900 |
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| author | Martyn A. Sozanskyi Pavlo I. Shapoval Iosip I. Yatchyshyn Vitaliy E. Stadnik Roman E. Gladyshevskii |
| author_facet | Martyn A. Sozanskyi Pavlo I. Shapoval Iosip I. Yatchyshyn Vitaliy E. Stadnik Roman E. Gladyshevskii |
| author_sort | Martyn A. Sozanskyi |
| collection | DOAJ |
| description | Zinc sulfide (ZnS) thin films due to their properties are widely used in various electronic optical devices. They are produced by several methods, among which – vacuum sublimation, high frequency sputtering method, quasiclosed volume method, sol-gel method, electrodeposition. These methods have high energy consumption which increases the price of ZnS thin films. Aim: The aim of this work is to establish the optimal parameters of the synthesis of ZnS thin films of the aqueous caustic and the correlation between content of zinc in the synthesized films determined by the method of stripping voltammetry and thickness, structural, morphological and optical parameters. Materials and Methods: The ZnS thin films were obtained from aqueous caustics of zinc-containing salt using chemical deposition. Fresh solution of zinc-containing salt, trisodium citrate (Na3C6H5O7) as a complexing agent, thiourea ((NH2)2CS) and ammonium hydroxide (NH4OH) was used for the synthesis of ZnS films by chemical deposition. The deposition was performed on prepared glass substrates with the area of 5,76 cm2. Results: The phase mixture of the films has been determined. It showed the presence of ZnS compounds in the cubic modification (sphalerite). Stripping voltammetry was used to determine the mass of zinc in the ZnS films on various conditions of synthesis, namely on the concentration of the initial zinc-containing salt, trisodium citrate, thiourea, deposition time and temperature. The surface morphology, optical properties, the thickness of the ZnS resulting films have been studied. Conclusions: The optimal conditions for the synthesis of ZnS films were found based on these data. Three-dimensional surface morphology of ZnS film studies showed its smoothness, uniformity, integrity and confirmed the correctness of determining the optimal synthesis parameters. |
| first_indexed | 2024-12-10T15:55:04Z |
| format | Article |
| id | doaj.art-0341c475f3ba4fa39984aba48d6afbf0 |
| institution | Directory Open Access Journal |
| issn | 2076-2429 2223-3814 |
| language | English |
| last_indexed | 2024-12-10T15:55:04Z |
| publishDate | 2015-12-01 |
| publisher | Odessa National Polytechnic University |
| record_format | Article |
| series | Trudy Odesskogo Politehničeskogo Universiteta |
| spelling | doaj.art-0341c475f3ba4fa39984aba48d6afbf02022-12-22T01:42:39ZengOdessa National Polytechnic UniversityTrudy Odesskogo Politehničeskogo Universiteta2076-24292223-38142015-12-012015311912510.15276/opu.3.47.2015.17Synthesis of ZnS thin films from aqueous caustic of trisodium citrate and their propertiesMartyn A. Sozanskyi0Pavlo I. Shapoval1Iosip I. Yatchyshyn2Vitaliy E. Stadnik3Roman E. Gladyshevskii4Lviv Polytechnic National UniversityLviv Polytechnic National UniversityLviv Polytechnic National UniversityIvan Franko National University of LvivIvan Franko National University of LvivZinc sulfide (ZnS) thin films due to their properties are widely used in various electronic optical devices. They are produced by several methods, among which – vacuum sublimation, high frequency sputtering method, quasiclosed volume method, sol-gel method, electrodeposition. These methods have high energy consumption which increases the price of ZnS thin films. Aim: The aim of this work is to establish the optimal parameters of the synthesis of ZnS thin films of the aqueous caustic and the correlation between content of zinc in the synthesized films determined by the method of stripping voltammetry and thickness, structural, morphological and optical parameters. Materials and Methods: The ZnS thin films were obtained from aqueous caustics of zinc-containing salt using chemical deposition. Fresh solution of zinc-containing salt, trisodium citrate (Na3C6H5O7) as a complexing agent, thiourea ((NH2)2CS) and ammonium hydroxide (NH4OH) was used for the synthesis of ZnS films by chemical deposition. The deposition was performed on prepared glass substrates with the area of 5,76 cm2. Results: The phase mixture of the films has been determined. It showed the presence of ZnS compounds in the cubic modification (sphalerite). Stripping voltammetry was used to determine the mass of zinc in the ZnS films on various conditions of synthesis, namely on the concentration of the initial zinc-containing salt, trisodium citrate, thiourea, deposition time and temperature. The surface morphology, optical properties, the thickness of the ZnS resulting films have been studied. Conclusions: The optimal conditions for the synthesis of ZnS films were found based on these data. Three-dimensional surface morphology of ZnS film studies showed its smoothness, uniformity, integrity and confirmed the correctness of determining the optimal synthesis parameters.http://pratsi.opu.ua/articles/show/4900ZnS thin filmsstripping voltammetrychemical deposition |
| spellingShingle | Martyn A. Sozanskyi Pavlo I. Shapoval Iosip I. Yatchyshyn Vitaliy E. Stadnik Roman E. Gladyshevskii Synthesis of ZnS thin films from aqueous caustic of trisodium citrate and their properties Trudy Odesskogo Politehničeskogo Universiteta ZnS thin films stripping voltammetry chemical deposition |
| title | Synthesis of ZnS thin films from aqueous caustic of trisodium citrate and their properties |
| title_full | Synthesis of ZnS thin films from aqueous caustic of trisodium citrate and their properties |
| title_fullStr | Synthesis of ZnS thin films from aqueous caustic of trisodium citrate and their properties |
| title_full_unstemmed | Synthesis of ZnS thin films from aqueous caustic of trisodium citrate and their properties |
| title_short | Synthesis of ZnS thin films from aqueous caustic of trisodium citrate and their properties |
| title_sort | synthesis of zns thin films from aqueous caustic of trisodium citrate and their properties |
| topic | ZnS thin films stripping voltammetry chemical deposition |
| url | http://pratsi.opu.ua/articles/show/4900 |
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