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Advanced Materials

Stretchable GaAs Photovoltaics with Designs That Enable High Areal Coverage

Authors

  • Jongho Lee,

    1. Department of Materials Science and Engineering, Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
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  • Jian Wu,

    1. Department of Civil and Environmental Engineering, Northwestern University, Evanston, IL 60208, USA
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  • Mingxing Shi,

    1. Institute of High Performance Computing, Singapore 138631, Singapore
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  • Jongseung Yoon,

    1. Department of Materials Science and Engineering, Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
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  • Sang-Il Park,

    1. Department of Materials Science and Engineering, Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
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  • Ming Li,

    1. Department of Civil and Environmental Engineering, Northwestern University, Evanston, IL 60208, USA
    2. Department of Engineering Mechanics, Dalian University of Technology, Dalian, 116024, China
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  • Zhuangjian Liu,

    1. Institute of High Performance Computing, Singapore 138631, Singapore
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  • Yonggang Huang,

    Corresponding author
    1. Departments of Civil and Environmental Engineering and Mechanical Engineering, Northwestern University, Evanston, Illinois 60208, USA
    • Departments of Civil and Environmental Engineering and Mechanical Engineering, Northwestern University, Evanston, Illinois 60208, USA.
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  • John A. Rogers

    Corresponding author
    1. Department of Materials Science and Engineering, Chemistry, Mechanical Science and Engineering, Electrical and Computer Engineering, Beckman Institute for Advanced Science and Technology and Frederick Seitz Materials, Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
    • Department of Materials Science and Engineering, Chemistry, Mechanical Science and Engineering, Electrical and Computer Engineering, Beckman Institute for Advanced Science and Technology and Frederick Seitz Materials, Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
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Abstract

Strategies are presented for achieving, simultaneously, both large areal coverage and high stretchability by using elastomeric substrates with surface relief in geometries that confine strains at the locations of the interconnections, and away from the devices. The studies involve a combination of theory and experiment to reveal the essential mechanics, and include demonstrations of the ideas in stretchable solar modules that use ultrathin, single junction GaAs solar cells.

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