Numerical modeling on prospective buffer layers for tungsten di-sulfide (WS2) solar cells by scaps-1D

K. Sobayel, K. S. Rahman, M. R. Karim, M. O. Aijaz, M. A. Dar, M. A. Shar, Halina Misran, N. Amin

Research output: Contribution to journalArticle

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Abstract

In this study, tungsten di-sulphide (WS2), one of the key transition-metal dichalcogenide (TMDC) materials, is used as solar cell absorber material with a suitable solar cell configuration and analyzed by SCAPS-1D. Other main focuses include optimum absorber layer thickness, suitable material for buffer layer instead of CdS and effect of operating temperature on solar cell performance. An efficiency of 19.48% (with Voc of 0.90 V, Jsc of 24.94 mA/cm2 and fill factor of 0.86) has been found for the cell with CdS based buffer layer. High efficiency WS2 solar cells have the optimized absorber thickness in the range of 2 µm to 3 µm. Moreover, the desired thickness of the buffer layer is observed in between 40–60 nm. Among different types (ZnO, ZnSe, ZnS, CdS and In2S3) of buffer layers, ZnO based WS2 solar cell shows the potential to reach out the highest efficiency of 25.71%. However, cell with ZnO buffer layer shows a temperature gradient of-0.24%/K. All these simulation results provide significant hints that may lead to higher efficiency of WS2 solar cells with beneficial experimental studies in practical implementation.

Original languageEnglish
Pages (from-to)307-315
Number of pages9
JournalChalcogenide Letters
Volume15
Issue number6
Publication statusPublished - 01 Jun 2018

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Tungsten
Sulfides
Buffer layers
sulfides
Solar cells
tungsten
buffers
solar cells
absorbers
absorbers (materials)
cells
operating temperature
Thermal gradients
Transition metals
temperature gradients
transition metals
configurations
simulation

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Chemistry(all)
  • Physics and Astronomy(all)

Cite this

Sobayel, K., Rahman, K. S., Karim, M. R., Aijaz, M. O., Dar, M. A., Shar, M. A., ... Amin, N. (2018). Numerical modeling on prospective buffer layers for tungsten di-sulfide (WS2) solar cells by scaps-1D. Chalcogenide Letters, 15(6), 307-315.
Sobayel, K. ; Rahman, K. S. ; Karim, M. R. ; Aijaz, M. O. ; Dar, M. A. ; Shar, M. A. ; Misran, Halina ; Amin, N. / Numerical modeling on prospective buffer layers for tungsten di-sulfide (WS2) solar cells by scaps-1D. In: Chalcogenide Letters. 2018 ; Vol. 15, No. 6. pp. 307-315.
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abstract = "In this study, tungsten di-sulphide (WS2), one of the key transition-metal dichalcogenide (TMDC) materials, is used as solar cell absorber material with a suitable solar cell configuration and analyzed by SCAPS-1D. Other main focuses include optimum absorber layer thickness, suitable material for buffer layer instead of CdS and effect of operating temperature on solar cell performance. An efficiency of 19.48{\%} (with Voc of 0.90 V, Jsc of 24.94 mA/cm2 and fill factor of 0.86) has been found for the cell with CdS based buffer layer. High efficiency WS2 solar cells have the optimized absorber thickness in the range of 2 µm to 3 µm. Moreover, the desired thickness of the buffer layer is observed in between 40–60 nm. Among different types (ZnO, ZnSe, ZnS, CdS and In2S3) of buffer layers, ZnO based WS2 solar cell shows the potential to reach out the highest efficiency of 25.71{\%}. However, cell with ZnO buffer layer shows a temperature gradient of-0.24{\%}/K. All these simulation results provide significant hints that may lead to higher efficiency of WS2 solar cells with beneficial experimental studies in practical implementation.",
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Sobayel, K, Rahman, KS, Karim, MR, Aijaz, MO, Dar, MA, Shar, MA, Misran, H & Amin, N 2018, 'Numerical modeling on prospective buffer layers for tungsten di-sulfide (WS2) solar cells by scaps-1D', Chalcogenide Letters, vol. 15, no. 6, pp. 307-315.

Numerical modeling on prospective buffer layers for tungsten di-sulfide (WS2) solar cells by scaps-1D. / Sobayel, K.; Rahman, K. S.; Karim, M. R.; Aijaz, M. O.; Dar, M. A.; Shar, M. A.; Misran, Halina; Amin, N.

In: Chalcogenide Letters, Vol. 15, No. 6, 01.06.2018, p. 307-315.

Research output: Contribution to journalArticle

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AU - Aijaz, M. O.

AU - Dar, M. A.

AU - Shar, M. A.

AU - Misran, Halina

AU - Amin, N.

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Sobayel K, Rahman KS, Karim MR, Aijaz MO, Dar MA, Shar MA et al. Numerical modeling on prospective buffer layers for tungsten di-sulfide (WS2) solar cells by scaps-1D. Chalcogenide Letters. 2018 Jun 1;15(6):307-315.