Two-dimensional modeling of the back amorphous-crystalline silicon heterojunction (BACH) photovoltaic device

Zahidur R. Chowdhury; Alongkarn Chutinan; Adel B. Gougam; Nazir P. Kherani; Stefan Zukotynski

doi:10.1117/12.872942

22 September 2010 Two-dimensional modeling of the back amorphous-crystalline silicon heterojunction (BACH) photovoltaic device

Zahidur R. Chowdhury, Alongkarn Chutinan, Adel B. Gougam, Nazir P. Kherani, Stefan Zukotynski

Author Affiliations +

Proceedings Volume 7750, Photonics North 2010; 77502V (2010) https://doi.org/10.1117/12.872942
Event: Photonics North 2010, 2010, Niagara Falls, Canada

Abstract

Back Amorphous-Crystalline Silicon Heterojunction (BACH)1 solar cell can be fabricated using low temperature processes while integrating high efficiency features of heterojunction silicon solar cells and back-contact homojunction solar cells. This article presents a two-dimensional modeling study of the BACH cell concept. A parametric study of the BACH cell has been carried out using Sentaurus after benchmarking the software. A detailed model describing the optical generation is defined. Solar cell efficiency of 24.4% is obtained for AM 1.5 global spectrum with V_OC of greater than 720 mV and J_SC exceeding 40 mA/cm², considering realistic surface passivation quality and other dominant recombination processes.

Citation Download Citation

Zahidur R. Chowdhury, Alongkarn Chutinan, Adel B. Gougam, Nazir P. Kherani, and Stefan Zukotynski "Two-dimensional modeling of the back amorphous-crystalline silicon heterojunction (BACH) photovoltaic device", Proc. SPIE 7750, Photonics North 2010, 77502V (22 September 2010); https://doi.org/10.1117/12.872942

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