Influence of preparation conditions on the properties of silver doped copper-zinc sulfide thin films prepared via sol-gel spin coating technique

El-Gawad, A.H.M. Abd; Khalil, A. H.; Gadallah, A.–S.

doi:10.1016/j.ijleo.2020.165561

Cited by 9 publications

(6 citation statements)

References 26 publications

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“…As such, the low absorbance and high transmittance of the deposited thin films as the flow rate increases show the potential ability of the films to act as window layer cells, anti-reflection coatings, and solar cell devices. These observations were in line with those reported in the literature [24,27,34]. The photon energy was obtained in eV using equation (7) below [35]:…”

Section: = -( ) T 10supporting

confidence: 89%

“…Additionally, in figure 6, the W-H plot shows a negative gradient for the deposited CZS thin films because of the compressed lattice strain in the film with a value of −0.004. These observations are also in line with [24,27].…”

Section: Structural Analysissupporting

confidence: 88%

“…However, the rise and fall of the extinction coefficient at a low deposition flow rate could be ascribed to the low transmittance of the film and dispersed grains on the substrate. The refractive index of the deposited CZS thin films was obtained from the following relation [27]:…”

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confidence: 99%

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Opto-electronic properties of copper-zinc-sulfide thin films grown via metalorganic-chemical vapor deposition technique at different flow rates

et al. 2023

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In this work, copper zinc sulfide (CZS) ternary thin films were prepared from the pyrolysis of a Bis-(morpholinodithiato-s,s’)-Cu-Zn precursor using metal-organic chemical vapor deposition technique maintained at 450 ℃ in ambient nitrogen as the carrier gas. The deposition flow rate was varied to study its effect on the optoelectronic properties of CZS films. The particle-induced X-ray emission technique (PIXE) of the prepared single solid source precursor shows the presence of copper, zinc, and sulfur. The Fourier transform infrared spectrophotometer of the precursor reveals the metal-metal bond attachment to the ligand at a very low wavenumber. The XRD spectra reveal the formation of the hexagonal closed-packed structure of CZS films with a preferred orientation along the [111] direction. The film crystallite size is found to increase from 10.4 to 12.2 nm as the flow rate increases, while the dislocation density and stress decrease as the deposition flow rate increases. The SEM analysis revealed an improvement in the growth rate of the grains as the flow rate increased. The transmittance of the deposited CZS films was found to increase from 58% to 84.2% in the infrared region with an increase in band gap from 3.08 – 3.64 eV as the flow rate increased. The deposited film shows ohmic properties and an increase in conductivity from 0.243 to 0.847 (Ω cm)-1, while the resistivity decreases as the flow rate increases. These observations provide room for the deposited CZS film to serve as a potential material for optoelectronics and window layer solar cell devices.

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Section: = -( ) T 10supporting

confidence: 89%

Section: Structural Analysissupporting

confidence: 88%

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Opto-electronic properties of copper-zinc-sulfide thin films grown via metalorganic-chemical vapor deposition technique at different flow rates

et al. 2023

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“…The work function of zinc is less than copper (5.41 × 10 −19 J and 7.52 × 10 −19 J, respectively) [61][62][63]. Namely, the energy required for the zinc to escape from the surface is easier to achieve compared to that of the copper.…”

Section: The Effect Of Zinc Coating (1) the Low Work Function Of Zincmentioning

confidence: 99%

“…In addition, the Cu and Zn on the BWE surface decrease more than that on ZCSMWE, indicating less elemental transfer happens due to lower temperature with ZCSMWE, which is consistent with the EDS results of workpieces and the analysis in Section 4.2. The work function of zinc is less than copper (5.41 × 10 −19 J and 7.52 × 10 −19 J, respectively) [61][62][63]. Namely, the energy required for the zinc to escape from the surface is easier to achieve compared to that of the copper.…”

Section: The Effect Of Zinc Coating (1) the Low Work Function Of Zincmentioning

confidence: 99%

A New Wire Electrode for Improving the Machining Characteristics of High-Volume Fraction SiCp/Al Composite in WEDM

Chen

Zhou

et al. 2022

Materials

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In wire electrical discharge machining, due to the random distribution of the insulating SiC particles, frequent wire rupture, low machining efficiency and surface quality when the common brass wire electrode (BWE) is used to process high-volume content SiCp/Al composite often appears. To address this issue, this paper proposes a new preparation method of zinc coating and surface microstructure on wire electrodes (ZCSMWE). The preparation process of ZCSMWE includes casting, coating, annealing and plastic processing. The experimental results show that, compared with BWE, ZCSMWE can increase material removal rate (MRR) by 16.67%, reduce surface roughness (Ra) by 21.18% and reduce wire rupture under the same discharge parameters. The analysis of workpiece surface topography shows that ZCSMWE can significantly decrease the recast layer and microcrack on the machined surface. The improvement mechanism of ZCSMWE main includes: The low work function zinc can promote the forming of the discharge channel. The vaporization of low boiling temperature zinc can reduce the temperature of the discharge gap and promote the ejecting of workpiece material. In addition, the surface microstructure on ZCSMWE can make the discharge spark more uniformly distributed and increase the proportion of the effective discharge, which contributes to making the discharge crater on the workpiece and wire electrode shallower and more uniform. The surface microstructure on ZCSMWE can also effectively improve the dielectric circulation, which can promote discharge debris to be expelled out and reduce the temperature in the discharge gap. Then, the wire rupture and microcracks on the workpiece surface can be reduced.

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Spin coating/doctor-blading/self-assembly of metal oxide nanostructures

Deokate¹

2023

Solution Methods for Metal Oxide Nanostructures

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Influence of preparation conditions on the properties of silver doped copper-zinc sulfide thin films prepared via sol-gel spin coating technique

Cited by 9 publications

References 26 publications

Opto-electronic properties of copper-zinc-sulfide thin films grown via metalorganic-chemical vapor deposition technique at different flow rates

Opto-electronic properties of copper-zinc-sulfide thin films grown via metalorganic-chemical vapor deposition technique at different flow rates

A New Wire Electrode for Improving the Machining Characteristics of High-Volume Fraction SiCp/Al Composite in WEDM

Spin coating/doctor-blading/self-assembly of metal oxide nanostructures

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