Back-contacted BaSi2 solar cells: An optical study

Robin Vismara; Olindo Isabella; Miro Zeman

doi:10.1364/OE.25.00A402

Back-contacted BaSi₂ solar cells: An optical study

Robin Vismara^*, Olindo Isabella, Miro Zeman

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

21 Citations (Scopus)

114 Downloads (Pure)

Abstract

We present the optical investigation of a novel back-contacted architecture for solar cells based on a thin barium (di)silicide (BaSi₂) absorber. First, through the analysis of absorption limits of different semiconducting materials, we show the potential of BaSi₂ for photovoltaic applications. Then, the proposed back contacted BaSi₂ solar cell design is investigated and optimized. An implied photocurrent density of 40.3 mA/cm² in a 1-μm thick absorber was achieved, paving the way for novel BaSi₂-based thin-film solar cells.

Original language	English
Pages (from-to)	A402-A408
Number of pages	7
Journal	Optics Express
Volume	25
Issue number	8
DOIs	https://doi.org/10.1364/OE.25.00A402
Publication status	Published - 2017

Keywords

Photovoltaic
Diffraction gratings
Bragg reflectors
Solar energy

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1364/OE.25.00A402

27443631Final published version, 2.17 MBLicence: CC BY

Cite this

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abstract = "We present the optical investigation of a novel back-contacted architecture for solar cells based on a thin barium (di)silicide (BaSi2) absorber. First, through the analysis of absorption limits of different semiconducting materials, we show the potential of BaSi2 for photovoltaic applications. Then, the proposed back contacted BaSi2 solar cell design is investigated and optimized. An implied photocurrent density of 40.3 mA/cm2 in a 1-μm thick absorber was achieved, paving the way for novel BaSi2-based thin-film solar cells.",

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AB - We present the optical investigation of a novel back-contacted architecture for solar cells based on a thin barium (di)silicide (BaSi2) absorber. First, through the analysis of absorption limits of different semiconducting materials, we show the potential of BaSi2 for photovoltaic applications. Then, the proposed back contacted BaSi2 solar cell design is investigated and optimized. An implied photocurrent density of 40.3 mA/cm2 in a 1-μm thick absorber was achieved, paving the way for novel BaSi2-based thin-film solar cells.

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KW - Diffraction gratings

KW - Bragg reflectors

KW - Solar energy

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