GaSb-Based Solar Cells for Full Solar Spectrum Energy Harvesting

Matthew P. Lumb; Shawn Mack; Kenneth J. Schmieder; María González; Mitchell F. Bennett; David Scheiman; Matthew Meitl; Brent Fisher; Scott Burroughs; Kyu Tae Lee; John A. Rogers; Robert J. Walters

doi:10.1002/aenm.201700345

GaSb-Based Solar Cells for Full Solar Spectrum Energy Harvesting

Matthew P. Lumb^*, Shawn Mack, Kenneth J. Schmieder, María González, Mitchell F. Bennett, David Scheiman, Matthew Meitl, Brent Fisher, Scott Burroughs, Kyu Tae Lee, John A. Rogers, Robert J. Walters

^*Corresponding author for this work

Materials Science and Engineering

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

64 Scopus citations

Abstract

In this work, a multijunction solar cell is developed on a GaSb substrate that can efficiently convert the long-wavelength photons typically lost in a multijunction solar cell into electricity. A combination of modeling and experimental device development is used to optimize the performance of a dual junction GaSb/InGaAsSb concentrator solar cell. Using transfer printing, a commercially available GaAs-based triple junction cell is stacked mechanically with the GaSb-based materials to create a four-terminal, five junction cell with a spectral response range covering the region containing >99% of the available direct-beam power from the Sun reaching the surface of the Earth. The cell is assembled in a mini-module with a geometric concentration ratio of 744 suns on a two-axis tracking system and demonstrated a combined module efficiency of 41.2%, measured outdoors in Durham, NC. Taking into account the measured transmission of the optics gives an implied cell efficiency of 44.5%.

Original language	English (US)
Article number	1700345
Journal	Advanced Energy Materials
Volume	7
Issue number	20
DOIs	https://doi.org/10.1002/aenm.201700345
State	Published - Oct 25 2017

Keywords

GaSb
multijunction
solar cells
transfer-printing

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
General Materials Science

UN SDGs

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

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10.1002/aenm.201700345

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title = "GaSb-Based Solar Cells for Full Solar Spectrum Energy Harvesting",

abstract = "In this work, a multijunction solar cell is developed on a GaSb substrate that can efficiently convert the long-wavelength photons typically lost in a multijunction solar cell into electricity. A combination of modeling and experimental device development is used to optimize the performance of a dual junction GaSb/InGaAsSb concentrator solar cell. Using transfer printing, a commercially available GaAs-based triple junction cell is stacked mechanically with the GaSb-based materials to create a four-terminal, five junction cell with a spectral response range covering the region containing >99% of the available direct-beam power from the Sun reaching the surface of the Earth. The cell is assembled in a mini-module with a geometric concentration ratio of 744 suns on a two-axis tracking system and demonstrated a combined module efficiency of 41.2%, measured outdoors in Durham, NC. Taking into account the measured transmission of the optics gives an implied cell efficiency of 44.5%.",

keywords = "GaSb, multijunction, solar cells, transfer-printing",

author = "Lumb, {Matthew P.} and Shawn Mack and Schmieder, {Kenneth J.} and Mar{\'i}a Gonz{\'a}lez and Bennett, {Mitchell F.} and David Scheiman and Matthew Meitl and Brent Fisher and Scott Burroughs and Lee, {Kyu Tae} and Rogers, {John A.} and Walters, {Robert J.}",

note = "Funding Information: The authors would like to thank Dr. Michael K. Yakes, Dr. Behrang Hamadani, Dr. Chase Ellis, and Dr. Joseph Tischler for helpful contributions to this work. This work was supported by the Office of Naval Research and in part by ARPA-E MOSAIC program number 1255–1544, “Micro-scale, Ultra-high Efficiency CPV/Diffuse Hybrid Arrays Using Transfer Printing”. Publisher Copyright: {\textcopyright} 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim",

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AU - Lumb, Matthew P.

AU - Mack, Shawn

AU - Schmieder, Kenneth J.

AU - González, María

AU - Bennett, Mitchell F.

AU - Scheiman, David

AU - Meitl, Matthew

AU - Fisher, Brent

AU - Burroughs, Scott

AU - Lee, Kyu Tae

AU - Rogers, John A.

AU - Walters, Robert J.

N1 - Funding Information: The authors would like to thank Dr. Michael K. Yakes, Dr. Behrang Hamadani, Dr. Chase Ellis, and Dr. Joseph Tischler for helpful contributions to this work. This work was supported by the Office of Naval Research and in part by ARPA-E MOSAIC program number 1255–1544, “Micro-scale, Ultra-high Efficiency CPV/Diffuse Hybrid Arrays Using Transfer Printing”. Publisher Copyright: © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

PY - 2017/10/25

Y1 - 2017/10/25

N2 - In this work, a multijunction solar cell is developed on a GaSb substrate that can efficiently convert the long-wavelength photons typically lost in a multijunction solar cell into electricity. A combination of modeling and experimental device development is used to optimize the performance of a dual junction GaSb/InGaAsSb concentrator solar cell. Using transfer printing, a commercially available GaAs-based triple junction cell is stacked mechanically with the GaSb-based materials to create a four-terminal, five junction cell with a spectral response range covering the region containing >99% of the available direct-beam power from the Sun reaching the surface of the Earth. The cell is assembled in a mini-module with a geometric concentration ratio of 744 suns on a two-axis tracking system and demonstrated a combined module efficiency of 41.2%, measured outdoors in Durham, NC. Taking into account the measured transmission of the optics gives an implied cell efficiency of 44.5%.

AB - In this work, a multijunction solar cell is developed on a GaSb substrate that can efficiently convert the long-wavelength photons typically lost in a multijunction solar cell into electricity. A combination of modeling and experimental device development is used to optimize the performance of a dual junction GaSb/InGaAsSb concentrator solar cell. Using transfer printing, a commercially available GaAs-based triple junction cell is stacked mechanically with the GaSb-based materials to create a four-terminal, five junction cell with a spectral response range covering the region containing >99% of the available direct-beam power from the Sun reaching the surface of the Earth. The cell is assembled in a mini-module with a geometric concentration ratio of 744 suns on a two-axis tracking system and demonstrated a combined module efficiency of 41.2%, measured outdoors in Durham, NC. Taking into account the measured transmission of the optics gives an implied cell efficiency of 44.5%.

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GaSb-Based Solar Cells for Full Solar Spectrum Energy Harvesting

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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