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Title: AlGaAs/Si dual-junction tandem solar cells by epitaxial lift-off and print-transfer-assisted direct bonding

Journal Article · · Energy Science & Engineering
DOI:https://doi.org/10.1002/ese3.182· OSTI ID:1431248
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  1. Univ. of Wisconsin, Madison, WI (United States). Department of Electrical and Computer Engineering
  2. Univ. of Wisconsin, Madison, WI (United States). Department of Material Science and Engineering
  3. Univ. of Wisconsin, Madison, WI (United States). Department of Biomedical Engineering
  4. Univ. of Texas, Arlington, TX (United States). Department of Electrical Engineering
  5. Yeungnam University, Gyeongsan (Korea). Department of Physics
  6. University of Illinois at Urbana‐Champaign, Urbana, IL (United States)
  7. National Renewable Energy Lab. (NREL), Golden, CO (United States)
+ Show Author Affiliations

A novel method is developed to realize a III-V/Si dual-junction photovoltaic cell by combining epitaxial lift-off (ELO) and print-transfer-assisted bonding methods. The adoption of ELO enables III-V wafers to be recycled and reused, which can further lower the cost of III-V/Si photovoltaic panels. For demonstration, high crystal quality, micrometer-thick, GaAs/AlGaAs/GaAs films are lifted off, transferred, and directly bonded onto Si wafer without the use of any adhesive or bonding agents. The bonding interface is optically transparent and conductive both thermally and electrically. Prototype AlGaAs/Si dual-junction tandem solar cells have been fabricated and exhibit decent performance.

Research Organization:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
AC36-08GO28308
OSTI ID:
1431248
Report Number(s):
NREL/JA-5J00-71243
Journal Information:
Energy Science & Engineering, Vol. 6, Issue 1; ISSN 2050-0505
Publisher:
Society of Chemical Industry, WileyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 8 works
Citation information provided by
Web of Science

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Cited By (2)

Low dimensional freestanding semiconductors for flexible optoelectronics: materials, synthesis, process, and applications journal January 2020
Epitaxial growth and layer-transfer techniques for heterogeneous integration of materials for electronic and photonic devices journal October 2019

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14 SOLAR ENERGY
42 ENGINEERING
epitaxy
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solar cell
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