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Arrays of Parallel Connected Coaxial Multiwall-Carbon- Nanotube–Amorphous-Silicon Solar Cells

Authors

  • Hang Zhou,

    Corresponding author
    1. Electrical Engineering Division Department of Engineering University of Cambridge 9 JJ Thomson Avenue, Cambridge CB3 0FA (UK)
    • Electrical Engineering Division Department of Engineering University of Cambridge 9 JJ Thomson Avenue, Cambridge CB3 0FA (UK).
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  • Alan Colli,

    1. Nokia Research Centre Cambridge U.K. C/O Nanoscience Centre Cambridge CB3 0FF (UK)
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  • Arman Ahnood,

    1. London Centre for Nanotechnology University College London 17-19 Gordon Street, London WC1H 0AH (UK)
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  • Yang Yang,

    1. Electrical Engineering Division Department of Engineering University of Cambridge 9 JJ Thomson Avenue, Cambridge CB3 0FA (UK)
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  • Nalin Rupesinghe,

    1. Electrical Engineering Division Department of Engineering University of Cambridge 9 JJ Thomson Avenue, Cambridge CB3 0FA (UK)
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  • Tim Butler,

    1. Electrical Engineering Division Department of Engineering University of Cambridge 9 JJ Thomson Avenue, Cambridge CB3 0FA (UK)
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  • Ibraheem Haneef,

    1. Electrical Engineering Division Department of Engineering University of Cambridge 9 JJ Thomson Avenue, Cambridge CB3 0FA (UK)
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  • Pritesh Hiralal,

    1. Electrical Engineering Division Department of Engineering University of Cambridge 9 JJ Thomson Avenue, Cambridge CB3 0FA (UK)
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  • Arokia Nathan,

    1. London Centre for Nanotechnology University College London 17-19 Gordon Street, London WC1H 0AH (UK)
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  • Gehan A. J. Amaratunga

    Corresponding author
    1. Electrical Engineering Division Department of Engineering University of Cambridge 9 JJ Thomson Avenue, Cambridge CB3 0FA (UK)
    • Electrical Engineering Division Department of Engineering University of Cambridge 9 JJ Thomson Avenue, Cambridge CB3 0FA (UK).
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Abstract

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Arrays of parallel connected coaxial multiwall-carbon-nanotube–amorphous-silicon solar cells are fabricated. In this configuration, orthogonalization of the directions of light absorption and charge-carrier collection is realized. Under simulated solar illumination (AM 1.5 G), the short-circuit current of our carbon-nanotube enhanced solar cell is ∼25% higher than that of the planar cell.

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