Modeling and simulation of highly efficient ultra-thin CIGS solar cell with MoSe2 tunnel

E. M.K.Ikball Ahamed, M. A. Matin, Nowshad Amin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The main objective of this research work is to improve the efficiency of CIGS solar cells in ultra-thin approach. A detail numerical analysis on the insertion of a thin MoSe2 tunnel layer between the ultra thin CIGS absorber and the back contact in ultra-thin CIGS solar cell is investigated by using a solar cell simulator wxAMPS. The MoSe2 layer between CIGS absorber and Mo back contact provides an additional hole tunneling action that forms a quasi ohmic contact near the back surface region and BSF action also. The quasi ohmic contact improves the efficiency of carrier collection and BSF action reduces the back surface recombination. From the above-mentioned discussions, it can be clearly showed that the efficiency obtained by the conventional CIGS cells is lower if compared to the values reached by the proposed ultra-thin CIGS solar cells with an additional MoSe2 layer (at the level of 25%). Conversion efficiency of 21.20 % has been achieved for the conventional ultra thin CIGS structure (1μm CIGS lower) and improved conversion efficiency of 25.46 % has been gained for the proposed ultra-thin cell with an additional thin layer of MoSe2. Thermal stability of the proposed ultra thin CIGS solar cell has also been investigated.

Original languageEnglish
Title of host publication4th International Conference on Advances in Electrical Engineering, ICAEE 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages681-685
Number of pages5
Volume2018-January
ISBN (Electronic)9781538608692
DOIs
Publication statusPublished - 11 Jan 2018
Event4th International Conference on Advances in Electrical Engineering, ICAEE 2017 - Dhaka, Bangladesh
Duration: 28 Sep 201730 Sep 2017

Other

Other4th International Conference on Advances in Electrical Engineering, ICAEE 2017
CountryBangladesh
CityDhaka
Period28/9/1730/9/17

Fingerprint

tunnels
Solar cells
Tunnels
solar cells
Ohmic contacts
simulation
Conversion efficiency
electric contacts
absorbers
cells
simulators
numerical analysis
Numerical analysis
insertion
Thermodynamic stability
thermal stability
Simulators

Keywords

  • MoSe tunnel
  • quasi ohmic
  • thermal stability
  • ultra-thin
  • wxAMPS

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Computer Science Applications
  • Biomedical Engineering
  • Electrical and Electronic Engineering
  • Instrumentation

Cite this

Ahamed, E. M. K. I., Matin, M. A., & Amin, N. (2018). Modeling and simulation of highly efficient ultra-thin CIGS solar cell with MoSe2 tunnel. In 4th International Conference on Advances in Electrical Engineering, ICAEE 2017 (Vol. 2018-January, pp. 681-685). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICAEE.2017.8255442

Modeling and simulation of highly efficient ultra-thin CIGS solar cell with MoSe2 tunnel. / Ahamed, E. M.K.Ikball; Matin, M. A.; Amin, Nowshad.

4th International Conference on Advances in Electrical Engineering, ICAEE 2017. Vol. 2018-January Institute of Electrical and Electronics Engineers Inc., 2018. p. 681-685.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ahamed, EMKI, Matin, MA & Amin, N 2018, Modeling and simulation of highly efficient ultra-thin CIGS solar cell with MoSe2 tunnel. in 4th International Conference on Advances in Electrical Engineering, ICAEE 2017. vol. 2018-January, Institute of Electrical and Electronics Engineers Inc., pp. 681-685, 4th International Conference on Advances in Electrical Engineering, ICAEE 2017, Dhaka, Bangladesh, 28/9/17. https://doi.org/10.1109/ICAEE.2017.8255442
Ahamed EMKI, Matin MA, Amin N. Modeling and simulation of highly efficient ultra-thin CIGS solar cell with MoSe2 tunnel. In 4th International Conference on Advances in Electrical Engineering, ICAEE 2017. Vol. 2018-January. Institute of Electrical and Electronics Engineers Inc. 2018. p. 681-685 https://doi.org/10.1109/ICAEE.2017.8255442
Ahamed, E. M.K.Ikball ; Matin, M. A. ; Amin, Nowshad. / Modeling and simulation of highly efficient ultra-thin CIGS solar cell with MoSe2 tunnel. 4th International Conference on Advances in Electrical Engineering, ICAEE 2017. Vol. 2018-January Institute of Electrical and Electronics Engineers Inc., 2018. pp. 681-685
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AB - The main objective of this research work is to improve the efficiency of CIGS solar cells in ultra-thin approach. A detail numerical analysis on the insertion of a thin MoSe2 tunnel layer between the ultra thin CIGS absorber and the back contact in ultra-thin CIGS solar cell is investigated by using a solar cell simulator wxAMPS. The MoSe2 layer between CIGS absorber and Mo back contact provides an additional hole tunneling action that forms a quasi ohmic contact near the back surface region and BSF action also. The quasi ohmic contact improves the efficiency of carrier collection and BSF action reduces the back surface recombination. From the above-mentioned discussions, it can be clearly showed that the efficiency obtained by the conventional CIGS cells is lower if compared to the values reached by the proposed ultra-thin CIGS solar cells with an additional MoSe2 layer (at the level of 25%). Conversion efficiency of 21.20 % has been achieved for the conventional ultra thin CIGS structure (1μm CIGS lower) and improved conversion efficiency of 25.46 % has been gained for the proposed ultra-thin cell with an additional thin layer of MoSe2. Thermal stability of the proposed ultra thin CIGS solar cell has also been investigated.

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