Effect of annealing temperature on thermally evaporated Cu3SbS3 thin films

Daniel, T.; Mohanraj, K.; Sivakumar, G.

doi:10.1007/s10854-018-8954-y

Cited by 8 publications

(7 citation statements)

References 20 publications

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“…Pfitzner [12] synthesized stable orthorhombic Cu 3 SbS 3 (space group Pnma) at temperatures higher than 394 K by vacuum melting of Cu 2 S and Sb 2 S 3 , but cubic Cu 3 SbS 3 could not be synthesized. Daniel et al [20] reported that a Cu 3 SbS 3 thin film produced by thermal evaporation had a monoclinic structure (space group P2 1 /c). Even after annealing at temperatures up to 573 K, the crystallinity improved but there was no change in the crystal structure.…”

Section: Methodsmentioning

confidence: 99%

Phase, Crystal Structure, and Thermoelectric Performance of Cubic Skinnerite Cu3Sb1-yFeyS3 Synthesized by Mechanical Alloying

Park¹,

Kim²

2023

Korean J. Met. Mater.

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Skinnerite (Cu3SbS3) has recently attracted attention as a promising thermoelectric material because of its low thermal conductivity. In this study, we performed the solid-state synthesis of Fe-doped skinnerite Cu3Sb1-yFeyS3 (y = 0.02−0.06) using mechanical alloying and hot pressing, and examined the samples’ thermoelectric properties relative to Fe doping content. All samples contained only a cubic skinnerite phase, as evidenced by X-ray diffraction. As the Fe content increased, the lattice constant decreased from 1.03370 to 1.03310 nm, indicating successful substitution of Fe at the Sb sites. The carrier concentration increased with the Fe doping level, resulting in increased electrical conductivity. The specimens with y = 0.02− 0.04 exhibited non-degenerate semiconductor behavior, where the electrical conductivity increased as the temperature increased. In contrast, a specimen with y = 0.06 changed conduction behavior to the degenerate state with minimal temperature dependence. As the Fe content increased, the Seebeck coefficient decreased, and Cu3Sb0.98Fe0.02S3 exhibited a maximum power factor of 1.16 mWm-1K-2 at 623 K. Thermal conductivity values for all specimens were lower than 1.20 Wm-1K-1 in the measured temperature range but were higher than undoped skinnerite. The highest thermoelectric performance was achieved by the Cu3Sb0.98Fe0.02S3 specimen, with a dimensionless figure of merit, ZT, of 0.9 obtained at 623 K.

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Section: Methodsmentioning

confidence: 99%

Phase, Crystal Structure, and Thermoelectric Performance of Cubic Skinnerite Cu3Sb1-yFeyS3 Synthesized by Mechanical Alloying

Park¹,

Kim²

2023

Korean J. Met. Mater.

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“…Figure 5(c) presents the graph of (αhν) 2 versus photon energy (hν) for the MgO thin films. The band gap energy was estimated by extrapolating the linear region of the absorption curve to the point where (αhν) 2 tends to zero [48,49,50,51]. From the graph, the band gap values of the MgO thin films were calculated to be 3.88 eV, 3.67 eV, 3.42 eV for the films deposited at bath pH values 2.0, 5.0, and 9.0 respectively.…”

Section: Morphology and Energy-dispersive X-ray Spectroscopy Mgo Thin...mentioning

confidence: 99%

Influence of Bath pH values on the Structural and Optical Properties of Electrodeposited MgO Thin Films for Optoelectronic applications

Onuegbu

Oluyamo

Olusola

2023

J. Nig. Soc. Phys. Sci.

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This paper investigates the influence of bath pH values on the structural and optical properties of magnesium oxide (MgO) thin films synthesized using electrodeposition technique. The films were deposited on conductive fluorine tin oxide (FTO) substrates using magnesium nitrate hexahydrate as a precursor material. The structural, morphological and optical properties of the electrodeposited films were examined by scanning electron microscopy (SEM), X-ray diffraction and UV-Vis spectrophotometer. The morphology and optical properties of the films were found to vary with bath pH values. The band gap decreased as the bath pH values increased. The deposited MgO films exhibited average transmittance of 80%, 50%, and 25% with thicknesses 400 nm, 480 nm, and 540 nm for bath pH values of 2.0, 5.0, and 9.0, respectively. The results obtained indicate that bath pH values play significant role in the formation of MgO films and can be used to tune the material into useful optoelectronic applications.

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“…[20][21][22][23] The CAS material group is formed in different crystalline phases, such as Cu 12 SbS 13 (tetrahedrite), Cu 3 SbS 3 (skinnerite and wittichenite), CuSbS 2 (chalcostobite) and Cu 3 SbS 4 (famatinite), due to small structural changes in the coordination sphere of Sb atoms. 24 These different CAS composites have band gaps ranging from 0.5 to 2.14 eV. 25 These superior properties make these materials attractive for many applications.…”

Section: Introductionmentioning

confidence: 99%

The effect of boron doping on the optical, morphological and structural properties of Cu₃SbS₃thin films preparedviaspin coating

et al. 2023

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Effect of annealing temperature on thermally evaporated Cu3SbS3 thin films

Cited by 8 publications

References 20 publications

Phase, Crystal Structure, and Thermoelectric Performance of Cubic Skinnerite Cu3Sb1-yFeyS3 Synthesized by Mechanical Alloying

Phase, Crystal Structure, and Thermoelectric Performance of Cubic Skinnerite Cu3Sb1-yFeyS3 Synthesized by Mechanical Alloying

Influence of Bath pH values on the Structural and Optical Properties of Electrodeposited MgO Thin Films for Optoelectronic applications

The effect of boron doping on the optical, morphological and structural properties of Cu₃SbS₃thin films preparedviaspin coating

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Effect of annealing temperature on thermally evaporated Cu3SbS3 thin films

Cited by 8 publications

References 20 publications

Phase, Crystal Structure, and Thermoelectric Performance of Cubic Skinnerite Cu3Sb1-yFeyS3 Synthesized by Mechanical Alloying

Phase, Crystal Structure, and Thermoelectric Performance of Cubic Skinnerite Cu3Sb1-yFeyS3 Synthesized by Mechanical Alloying

Influence of Bath pH values on the Structural and Optical Properties of Electrodeposited MgO Thin Films for Optoelectronic applications

The effect of boron doping on the optical, morphological and structural properties of Cu3SbS3thin films preparedviaspin coating

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The effect of boron doping on the optical, morphological and structural properties of Cu₃SbS₃thin films preparedviaspin coating