Secondary phase formation during monoclinic Cu2SnS3 growth for solar cell application

Wild, Jessica de; Robert, Erika; Adib, Brahime El; Abou‐Ras, Daniel; Dale, Phillip J.

doi:10.1016/j.solmat.2016.04.039

Cited by 47 publications

(39 citation statements)

References 31 publications

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“…However, theoretical calculations have shown that the cubic polymorph has several deep defects [11] and hence this phase should be avoided. This is also reflected in the performance of CTS solar cells, since the highest efficiencies are obtained from the monoclinic phase [1], [3]- [5] and consistent band gap values of (0.93 ± 0.02) eV with another optical transition at 1.00 ± 0.03 eV [1]- [5] are reported. The visible second transition is due to the splitting of the valence band and confirms the monoclinic polymorph [13], [14], but does not exclude the simultaneous presence of the cubic polymorph.…”

Section: Introductionmentioning

confidence: 69%

“…1 (top left) shows the XRD pattern of a silver-free CTS film, i.e., 0% Ag/(Ag + Cu) crystallized in the monoclinic phase. This phase is accompanied with the secondary phase Na x Cu 1-x SnS 3 , as explained in [1] and peaks attributed to this phase are assigned with * . For the ACTS sample with the lowest Ag/(Ag + Cu) ratio of 0.6%, we see that the peaks belonging to Na x Cu 1-x SnS 3 have virtually disappeared and only pure monoclinic ACTS is formed.…”

Section: A Structural and Morphological Properties Of Acts Absorber mentioning

confidence: 88%

“…All these effects may be beneficial for CTS as well. First, the band gap of CTS is around 0.93 eV [1]- [5], which is lower than desired for single-junction solar cells. Second, a decrease of p-type doping when alloying with Ag is expected since the formation energy of Ag donor defects is lower than for acceptors for Ag 2 ZnSnS 4 (AZTS) [19], and Ag may occupy Cu vacancies Fig.…”

Section: Introductionmentioning

confidence: 99%

“…It has a band gap of around 0.93 eV [1]- [5] and contains only earth-abundant elements similar to Cu 2 ZnSn(S,Se) 4 (CZTS). Advantageously, it has fewer possibilities for secondary phases, defect complexes [6], and avoids the structural disorder arising with Cu/Zn exchange [7].…”

Section: Introductionmentioning

confidence: 99%

“…CTS reference is plotted with Powdercell (c) (PDF 04-010-5719). The peaks marked with * are related to Na x CuSnS 3 [1]. Right: XRD peak shift of the main CTS peak at 28.40 and integrated PL yield dependence on the Ag concentration.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Silver-Doped Cu₂SnS₃Absorber Layers for Solar Cells Application

Wild

Babbe

Robert

et al. 2018

IEEE J. Photovoltaics

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Abstract-The p-type semiconductor Cu 2 SnS 3 is alloyed with Ag to investigate its effect on absorber layer and solar cell properties. Ag replaces the Cu in (Cu 1-x Ag x ) 2 SnS 3 (ACTS) up to x ࣘ 6% at 550°C. Above this percentage, Ag forms secondary phases. We find a significant increase in grain size, from hundreds of nanometers to several microns, and increased photoluminescence yield with increasing Ag concentration. Low-temperature photoluminescence measurements show that compensation is increased for the ACTS absorber layers, which could be beneficial for CTS, but also that the electrostatic band gap fluctuations are increased. The external quantum efficiency of the solar cells made from ACTS shows an increased carrier collection length from 320 nm for CTS to 700 nm and a thicker buffer layer. We attribute the increase in collection length to both increased depletion width (increased compensation) and diffusion length (

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Section: Introductionmentioning

confidence: 69%

Section: A Structural and Morphological Properties Of Acts Absorber mentioning

confidence: 88%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Silver-Doped Cu₂SnS₃Absorber Layers for Solar Cells Application

Wild

Babbe

Robert

et al. 2018

IEEE J. Photovoltaics

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Combinatorial synthesis of tin antimony sulfide thin films for solar cell application

Ali

Jabeen²,

Khesro

et al. 2021

Intl J of Energy Research

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Tin antimony sulfide (SnSb 2 S 4 ) has gained tremendous research attention due to its low cost, environment-friendly, and abundant photovoltaic material in recent years. However, the high resistivity and low carrier density have limited its scope of applications. In this work, thin film of tin antimony sulfide (TAS) was deposited combinatorially using thermal evaporation techniques. The combinatorial film was synthesized by using baffles inside the vacuum chamber to control the flume. The as deposited combinatorial thin film was annealed inside argon gas in a glass ampule at 175 C. The elemental, structural, and optical characterizations of the films deposited with various elemental compositions are reported. To comprehend the study, ten different points of elemental composition were selected.The XRD analysis of the obtained annealed film revealed its SnSb 2 S 4 phase. From our further measurements, it is found that the film is highly absorbent. The results of transmittance are found to be decreased with increasing content of antimony and no transmittance is absorbed below the visible range. Although the film shows good photoconductivity, few of the points in the thin film are found highly photoactive. The p-type semi-conductivity nature of the film was found for all points by the hotpoint probe technique.

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Vibrational properties of the mechanochemically synthesized Cu₂SnS₃: Raman study

Trajić

Ćurčić

Luna

et al. 2022

J Raman Spectroscopy

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Cu2SnS3 (CTS) is a simple and promising material for solar cells. Various physical and chemical techniques have been employed for synthesis of CTS nanocrystals among which mechanochemical synthesis is a great alternative due to its simplicity, solvent‐free character, and reproducibility. We present the analysis of the vibration properties of mechanochemically synthesized CTS nanocrystals. The milling time influence on CTS synthesis from elemental precursors Cu, Sn, and S was observed. The scanning electron microscopy (SEM), X‐ray diffraction (XRD), and Raman spectroscopy was used to characterize the crystal structure and compositional purity of the obtained nanoparticles. In order to investigate the individual steps of the synthesis, samples obtained after 15 s and 5, 10, 15, and 30 min of milling time were analyzed. The detailed analysis of the Raman spectra has allowed us to determine the wavenumber of the main and weaker peaks, and discern the phase, crystal structure, and secondary phases. The formation of monoclinic and tetragonal CTS phases, with oxidized surface (due to milling in air) was confirmed.

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Secondary phase formation during monoclinic Cu2SnS3 growth for solar cell application

Cited by 47 publications

References 31 publications

Silver-Doped Cu₂SnS₃Absorber Layers for Solar Cells Application

Silver-Doped Cu₂SnS₃Absorber Layers for Solar Cells Application

Combinatorial synthesis of tin antimony sulfide thin films for solar cell application

Vibrational properties of the mechanochemically synthesized Cu₂SnS₃: Raman study

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Secondary phase formation during monoclinic Cu2SnS3 growth for solar cell application

Cited by 47 publications

References 31 publications

Silver-Doped Cu2SnS3Absorber Layers for Solar Cells Application

Silver-Doped Cu2SnS3Absorber Layers for Solar Cells Application

Combinatorial synthesis of tin antimony sulfide thin films for solar cell application

Vibrational properties of the mechanochemically synthesized Cu2SnS3: Raman study

Contact Info

Product

Resources

About

Silver-Doped Cu₂SnS₃Absorber Layers for Solar Cells Application

Silver-Doped Cu₂SnS₃Absorber Layers for Solar Cells Application

Vibrational properties of the mechanochemically synthesized Cu₂SnS₃: Raman study