A two junction, four terminal photovoltaic device for enhanced light to electric power conversion using a low-cost dichroic mirror

Sven Rühle; Akiba Segal; Ayelet Vilan; Sarah R. Kurtz; Larissa Grinis; Arie Zaban; Igor Lubomirsky; David Cahen

doi:10.1063/1.3081510

A two junction, four terminal photovoltaic device for enhanced light to electric power conversion using a low-cost dichroic mirror

Sven Rühle, Akiba Segal, Ayelet Vilan, Sarah R. Kurtz, Larissa Grinis, Arie Zaban, Igor Lubomirsky, David Cahen

Department of Chemistry

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

Abstract

A low-cost dichroic mirror can be used successfully for solar spectrum splitting to enhance solar to electrical energy conversion. The mirror is optimized for use with a polycrystalline silicon photovoltaic cell (pc-Si). With the dichroic mirror simultaneous excitation of a medium-efficient (11.1%) commercial pc-Si and a custom-made high band gap GaInP cell (12.3%), yields 16.8% efficiency, with both cells operating at maximum power. Our results clearly show that what is missing for this simple low-cost enhancement of Si solar cell efficiency are low-cost high band gap cells.

Original language	American English
Article number	013106
Number of pages	7
Journal	Journal of Renewable and Sustainable Energy
Volume	1
Issue number	1
DOIs	https://doi.org/10.1063/1.3081510
State	Published - 2009

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10.1063/1.3081510

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abstract = "A low-cost dichroic mirror can be used successfully for solar spectrum splitting to enhance solar to electrical energy conversion. The mirror is optimized for use with a polycrystalline silicon photovoltaic cell (pc-Si). With the dichroic mirror simultaneous excitation of a medium-efficient (11.1%) commercial pc-Si and a custom-made high band gap GaInP cell (12.3%), yields 16.8% efficiency, with both cells operating at maximum power. Our results clearly show that what is missing for this simple low-cost enhancement of Si solar cell efficiency are low-cost high band gap cells.",

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AU - Rühle, Sven

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AU - Vilan, Ayelet

AU - Kurtz, Sarah R.

AU - Grinis, Larissa

AU - Zaban, Arie

AU - Lubomirsky, Igor

AU - Cahen, David

PY - 2009

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AB - A low-cost dichroic mirror can be used successfully for solar spectrum splitting to enhance solar to electrical energy conversion. The mirror is optimized for use with a polycrystalline silicon photovoltaic cell (pc-Si). With the dichroic mirror simultaneous excitation of a medium-efficient (11.1%) commercial pc-Si and a custom-made high band gap GaInP cell (12.3%), yields 16.8% efficiency, with both cells operating at maximum power. Our results clearly show that what is missing for this simple low-cost enhancement of Si solar cell efficiency are low-cost high band gap cells.

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A two junction, four terminal photovoltaic device for enhanced light to electric power conversion using a low-cost dichroic mirror

Abstract

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