Structural, morphological and optical properties of Cu–Fe–Sn–S thin films prepared by electrodeposition at fixed applied potential

Khouja, Outman El; Gâlcă, A.C.; Nouneh, Khalid; Zaki, Mohamed Yassine; Touhami, M. Ebn; Taïbi, M.; Matei, Elena; Negrilă, Cătălin; Enculescu, Monica; Pintilie, L.

doi:10.1016/j.tsf.2021.138547

Cited by 13 publications

(6 citation statements)

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“…50−53 The rutile 110, anatase 101, and the brookite 211 reflections were fitted using a Lorentz profile (see Figure S9 and Table T1), the fwhm used to calculate the coherence length along the corresponding crystallographic direction being the difference between the experimental fwhm and the instrument function. 54 The size value decreased from an average of 64 to 9 nm due to the formation of anatase and brookite phases. During the analysis of the diffractograms, it was determined that some of the samples have a mixed-phase composition of TiO 2 .…”

Section: Resultsmentioning

confidence: 99%

“…Note that most of the brookite diffraction lines are overlapped by those of anatase, , and only the 211 reflection at 2θ = 30.8° emphasizes the presence of the brookite phase. The average crystallite sizes of the studied TiO 2 were inferred from the XRD patterns using Scherer’s formula. − The rutile 110, anatase 101, and the brookite 211 reflections were fitted using a Lorentz profile (see Figure S9 and Table T1), the fwhm used to calculate the coherence length along the corresponding crystallographic direction being the difference between the experimental fwhm and the instrument function …”

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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TiO₂ Phase Ratio’s Contribution to the Photocatalytic Activity

Stepanova,

Tite,

Ivanenko

et al. 2023

ACS Omega

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Photocatalysis is one of the approaches for solving environmental issues derived from extremely harmful pollution caused by industrial dyes, medicine, and heavy metals. Titanium dioxide is among the most promising photocatalytic semiconductors; thus, in this work, TiO 2 powders were prepared by a hydrothermal synthesis using titanium tetrachloride TiCl 4 as a Ti source. The effect of the hydrochloric acid (HCl) concentration on TiO 2 formation was analyzed, in which a thorough morphostructural analysis was performed employing different analysis methods like XRD, Raman spectroscopy, SEM/TEM, and N 2 physisorption. EPR spectroscopy was employed to characterize the paramagnetic defect centers and the photogeneration of reactive oxygen species. Photocatalytic properties were tested by photocatalytic degradation of the rhodamine B (RhB) dye under UV light irradiation and using a solar simulator. The pH value directly influenced the formation of the TiO 2 phases; for less acidic conditions, the anatase phase of TiO 2 crystallized, with a crystallite size of ≈9 nm. Promising results were observed for TiO 2 , which contained 76% rutile, showing a 96% degradation of RhB under the solar simulator and 91% under UV light after 90 min irradiation, and the best result showed that the sample with 67% of the anatase phase after 60 min irradiation under the solar simulator had a 99% degradation efficiency.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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TiO₂ Phase Ratio’s Contribution to the Photocatalytic Activity

Stepanova,

Tite,

Ivanenko

et al. 2023

ACS Omega

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Section: Resultsmentioning

confidence: 99%

“…The band gaps of the as-deposited and sulfurized CZTS thin films are shown in Figure 6 . The transmittance measurements were performed using an ellipsometer, and the optical band gap was determined using the following equation [ 50 ]: Abs(E) = ln (1/T) = C.d.√(E − E g ) where Abs(E) is the derived absorbance using the measured transmittance (T), E is the photon energy, C is the constant of proportionality, d is the film thickness, and E g is the optical band gap. E g was estimated using the Tauc plot by plotting (αE) 2 vs. (E) (where α is the absorption coefficient) near the absorption edge.…”

Section: Resultsmentioning

confidence: 99%

Synthesis and Characterization of Cu2ZnSnS4 Thin Films Obtained by Combined Magnetron Sputtering and Pulsed Laser Deposition

et al. 2021

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Cu2ZnSnS4 (CZTS) is a complex quaternary material, and obtaining a single-phase CZTS with no secondary phases is known to be challenging and dependent on the production technique. This work involves the synthesis and characterization of CZTS absorber layers for solar cells. Thin films were deposited on Si and glass substrates by a combined magnetron sputtering (MS) and pulsed laser deposition (PLD) hybrid system, followed by annealing without and with sulfur powder at 500 °C under argon (Ar) flow. Three different Cu2S, SnS2, and ZnS targets were used each time, employing a different target for PLD and the two others for MS. The effect of the different target arrangements and the role of annealing and/or sulfurization treatment were investigated. The characterization of the absorber films was performed by grazing incidence X-ray diffraction (GIXRD), X-ray reflectometry (XRR), Raman spectroscopy, scanning electron microscopy, and regular transmission spectroscopy. The film with ZnS deposited by PLD and SnS2 and Cu2S by MS was found to be the best for obtaining a single CZTS phase, with uniform surface morphology, a nearly stoichiometric composition, and an optimal band gap of 1.40 eV. These results show that a new method that combines the advantages of both MS and PLD techniques was successfully used to obtain single-phase Cu2ZnSnS4 films for solar cell applications.

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Current Status and Future Prospects of Kesterite Cu₂ZnSn(S,Se)₄ (CZTSSe) Thin Film Solar Cells Prepared via Electrochemical Deposition

Hwang,

Yoon,

Kim

2024

ChemElectroChem

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The fabrication of kesterite Cu2ZnSn(S,Se)4 (CZTSSe) thin‐film solar cells using the electrochemical deposition (ED), which is valued for its industrial feasibility, offers a cost‐effective and environmentally friendly approach to the carbon‐free and clean energy production. However, the reported power conversion efficiency of approximately 10 % for electrodeposited CZTSSe thin‐film solar cells is lower compared to the alternative methods like sputtering and spin‐coating, which is mainly attributed to the phase inhomogeneity and the rough morphology generated during the ED process. Ensuring the microscopic and macroscopic uniformity of the electrodeposited films is crucial for the improvement of the film quality and the device performances. In this review, strategies to address these challenges including the intrinsic film control such as the deposition mode, pH, concentration of metal ions, and complexing agents, as well as the extrinsic approaches such as doping, substitution of metal elements, and the introduction of interfacial layers. In addition, the prospects for the electrochemically deposited CZTSSe solar cells were presented, focusing on the promising applications in tandem, flexible, and solar water‐splitting devices. Finally, this review will provide technical insights into the ED process for preparing CZTSSe solar cells, outlining a perspective for the future development of highly efficient CZTSSe thin film solar cells.

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Structural, morphological and optical properties of Cu–Fe–Sn–S thin films prepared by electrodeposition at fixed applied potential

Cited by 13 publications

References 93 publications

TiO₂ Phase Ratio’s Contribution to the Photocatalytic Activity

TiO₂ Phase Ratio’s Contribution to the Photocatalytic Activity

Synthesis and Characterization of Cu2ZnSnS4 Thin Films Obtained by Combined Magnetron Sputtering and Pulsed Laser Deposition

Current Status and Future Prospects of Kesterite Cu₂ZnSn(S,Se)₄ (CZTSSe) Thin Film Solar Cells Prepared via Electrochemical Deposition

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Structural, morphological and optical properties of Cu–Fe–Sn–S thin films prepared by electrodeposition at fixed applied potential

Cited by 13 publications

References 93 publications

TiO2 Phase Ratio’s Contribution to the Photocatalytic Activity

TiO2 Phase Ratio’s Contribution to the Photocatalytic Activity

Synthesis and Characterization of Cu2ZnSnS4 Thin Films Obtained by Combined Magnetron Sputtering and Pulsed Laser Deposition

Current Status and Future Prospects of Kesterite Cu2ZnSn(S,Se)4 (CZTSSe) Thin Film Solar Cells Prepared via Electrochemical Deposition

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Product

Resources

About

TiO₂ Phase Ratio’s Contribution to the Photocatalytic Activity

TiO₂ Phase Ratio’s Contribution to the Photocatalytic Activity

Current Status and Future Prospects of Kesterite Cu₂ZnSn(S,Se)₄ (CZTSSe) Thin Film Solar Cells Prepared via Electrochemical Deposition