Modelling of Cu2ZnSnSe4-CdS-ZnO thin film solar cell

Khaled Ben Messaoud, Guy Brammertz, Marie Buffiere, Souhaib Oueslati, Hossam Elanzeery, Marc Meuris, Mosbah Amlouk, Jef Poortmans

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We present a device model for the Cu2ZnSnSe4-CdS-ZnO solar cell with a total area efficiency of 9.7% reported in 2013 (Brammertz et al 2013 Appl. Phys. Lett. 103 163904). The simulations were performed using SCAPS program. In the device model, we reproduce rigorously the full range of layers and device properties estimated experientially using various characterization techniques. We include in the device model barriers at the back contact and the absorber/buffer interfaces, the photo-doped CdS buffer layer and defect states at the CdS/ZnO interface. A perfect match with the electrical behaviors of the solar cell are obtained, including light and dark current voltage, quantum efficiency, open circuit voltage (V OC) versus temperature and capacitance measurements. We show as well that interface recombination does not have an impact on the V OC deficit but partially reduces the short circuit current and the fill factor and that the main electrical limitations are due to the presence of tail states and electrostatic potential fluctuations in the CZTSe material leading to a decrease in the band gap and an increase of radiative recombination by tow orders.

Original languageEnglish
Article number116403
JournalMaterials Research Express
Volume4
Issue number11
DOIs
Publication statusPublished - 1 Nov 2017

Fingerprint

Solar cells
Capacitance measurement
Dark currents
Open circuit voltage
Buffer layers
Quantum efficiency
Temperature measurement
Short circuit currents
Electrostatics
Buffers
Energy gap
Defects
Electric potential
Thin film solar cells

Keywords

  • CuZnSnSe solar cells
  • device modeling
  • thin flm

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Metals and Alloys

Cite this

Messaoud, K. B., Brammertz, G., Buffiere, M., Oueslati, S., Elanzeery, H., Meuris, M., ... Poortmans, J. (2017). Modelling of Cu2ZnSnSe4-CdS-ZnO thin film solar cell. Materials Research Express, 4(11), [116403]. https://doi.org/10.1088/2053-1591/aa94f3

Modelling of Cu2ZnSnSe4-CdS-ZnO thin film solar cell. / Messaoud, Khaled Ben; Brammertz, Guy; Buffiere, Marie; Oueslati, Souhaib; Elanzeery, Hossam; Meuris, Marc; Amlouk, Mosbah; Poortmans, Jef.

In: Materials Research Express, Vol. 4, No. 11, 116403, 01.11.2017.

Research output: Contribution to journalArticle

Messaoud, KB, Brammertz, G, Buffiere, M, Oueslati, S, Elanzeery, H, Meuris, M, Amlouk, M & Poortmans, J 2017, 'Modelling of Cu2ZnSnSe4-CdS-ZnO thin film solar cell', Materials Research Express, vol. 4, no. 11, 116403. https://doi.org/10.1088/2053-1591/aa94f3
Messaoud KB, Brammertz G, Buffiere M, Oueslati S, Elanzeery H, Meuris M et al. Modelling of Cu2ZnSnSe4-CdS-ZnO thin film solar cell. Materials Research Express. 2017 Nov 1;4(11). 116403. https://doi.org/10.1088/2053-1591/aa94f3
Messaoud, Khaled Ben ; Brammertz, Guy ; Buffiere, Marie ; Oueslati, Souhaib ; Elanzeery, Hossam ; Meuris, Marc ; Amlouk, Mosbah ; Poortmans, Jef. / Modelling of Cu2ZnSnSe4-CdS-ZnO thin film solar cell. In: Materials Research Express. 2017 ; Vol. 4, No. 11.
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