Synthesis of ZnS thin films from aqueous caustic of trisodium citrate and their properties

Sozanskyi, Martyn; Shapoval, Pavlo; Yatchyshyn, Iosip I.; Stadnik, Vitalii; Gladyshevskii, R.

doi:10.15276/opu.3.47.2015.17

Cited by 4 publications

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“…This method based on synthesis at low temperature (˂ 373 K) and duration from aqueous solutions, which consist of the metal salt, complexing agent, chalcogenizer and, if it's necessary, the pH-regulator. Previously, the anodic stripping voltammetry method was used for the optimization of these parameters for synthesis of zinc and cadmium chalcogenides semiconductor films [3][4][5]. The series of films samples had dissolved in hydrochloric acid, then the measurements of metal content were made.…”

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confidence: 99%

Optimization of synthesis conditions of HgS thin films

Sozanskyi¹,

Stadnik²,

Guminilovych³

et al. 2019

Visnyk Lviv Univ. Ser. Chem.

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The mercury sulfide (HgS) films were obtained on glass substrates via the chemical deposition method. The aqueous solutions of mercury(II) nitrate, thiourea and trisodium citrate were used. X-ray and elemental analysis of the film sample were made. The effect of concentrations of initial reagents, deposition duration and temperature on the mass of HgS coatings was investigated and their thickness were calculated. The optical and morphological properties of HgS coating were examined.The mercury sulfide (HgS) film is one of the least investigated material of zinc subgroup metal chalcogenides [1]. The HgS coatings have potential use in solid state solar cells, photoelectrochemical cells etc. The one of the simplest methods for semiconductor films obtaining is chemical deposition [2]. This method based on synthesis at low temperature (˂ 373 K) and duration from aqueous solutions, which consist of the metal salt, complexing agent, chalcogenizer and, if it's necessary, the pH-regulator. Previously, the anodic stripping voltammetry method was used for the optimization of these parameters for synthesis of zinc and cadmium chalcogenides semiconductor films [3][4][5]. The series of films samples had dissolved in hydrochloric acid, then the measurements of metal content were made. In the case of mercury, this is difficult to apply, so the optimization of chemical deposition of HgS films could be done by gravimetric measurements.Chemical deposition of HgS films was carried out on preliminarily cleaned square shape glass substrates with the total area of 64.8 сm 2 . The composition of the working solutions were follows: 0.0025-0.015 M of mercury(II) nitrate (Hg(NO3)2), 0.01-0.05 M of thiourea (NH2)2CS, as a complexing and chalcogenizing agent for Hg 2+ at the same time; and 0.015-0.021 M of trisodium citrate (Na3C6H5O7), as a pH regulator. The deposition was made in a glass bath during 0.5-7 minutes at a temperature of 323-363 K. After this, the substrates were removed, washed with distilled water and dried in the air. The films samples were dark-brown in color. Their adhesion to the glass substrate was weak. The films were easily removed at applying of small mechanical efforts.Experimental arrays of intensities and angles of reflection of the test samples were obtained on a DRON-3.0 X-ray diffractometer (CuKα-radiation). Preliminary processing of the experimental diffraction arrays in order to identify the phases were carried out using PowderCell program [6]. ____________________  Sozanskyi M.

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confidence: 99%

Optimization of synthesis conditions of HgS thin films

Sozanskyi¹,

Stadnik²,

Guminilovych³

et al. 2019

Visnyk Lviv Univ. Ser. Chem.

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“…The CBD of solid solution thin films of CdxZn1-xS was conducted with the initial working solution, which was based on [6] with addition of cadmium-containing salt. It consisted of zinc cloride (ZnCl2), cadmium cloride (CdCl2), complexing agent, thiourea ((NH2)2CS) and pHregulator.…”

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confidence: 99%

CdxZn1-xS and CdxHg1-xSe Thin Films Solid Solutions

Sozanskyi¹,

Stadnik²,

Guminilovych³

et al. 2018

Proceedings (International Youth Science Forum “Litteris Et Artibus”).2018.№1

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The process of synthesis of cadmium-zinc sulfide (CdxZn1-xS) and cadmium-mercury selenide (CdxHg1-xSe) thin films solid solutions by a chemical bath deposition method with using complexing agents of tri-sodium citrate and sodium thiosulfate, respectively, has been investigated. The phase composition, transmittion spectra, optical band gaps and surface morphology of CdxZn1-xS and CdxHg1-xSe films were studied.

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“…Technologically convenient way of obtaining these films is a chemical deposition [3][4]. The optimization of this process has been made for zinc and cadmium chalcogenides [5][6][7]. It is based on determination of metal content by anodic stripping voltammetry in a water solution, prepared by dissolving thin films [8][9].…”

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confidence: 99%

Optimization of Synthesis Conditions of Mercury Selenide Thin Films

Sozanskyi¹,

Stadnik²,

Shapoval³

et al. 2020

ChChT

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The mercury selenide (HgSe) films were obtained on glass substrates via the chemical deposition method. The aqueous solutions of mercury(II) nitrate, sodium thiosulfate, sodium selenosulfate and tri-sodium citrate were used. X-ray and elemental analysis of the film sample were made. The effect of initial reagents concentration, synthesis duration and temperature on the mass of HgSe films was investigated and coatings thickness was calculated. The optical and morphological properties of HgSe films were examined. The deposition mechanism is discussed.

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Synthesis of ZnS thin films from aqueous caustic of trisodium citrate and their properties

Cited by 4 publications

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Optimization of synthesis conditions of HgS thin films

Optimization of synthesis conditions of HgS thin films

CdxZn1-xS and CdxHg1-xSe Thin Films Solid Solutions

Optimization of Synthesis Conditions of Mercury Selenide Thin Films

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