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Layer-by-Layer-Assembled Quantum Dot Multilayer Sensitizers: How the Number of Layers Affects the Photovoltaic Properties of One-Dimensional ZnO Nanowire Electrodes

Authors

  • Dr. Ho Jin,

    1. Department of Chemistry, Pohang University of Science and Technology, Pohang, 790-784 (South Korea)
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  • Sukyung Choi,

    1. Department of Chemistry, Pohang University of Science and Technology, Pohang, 790-784 (South Korea)
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  • Sang-Hoon Lim,

    1. Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 790-784 (South Korea)
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  • Prof. Shi-Woo Rhee,

    1. Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 790-784 (South Korea)
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  • Prof. Hyo Joong Lee,

    Corresponding author
    1. Department of Chemistry, Chonbuk National University, Jeonju, 561-756 (South Korea)
    • Hyo Joong Lee, Department of Chemistry, Chonbuk National University, Jeonju, 561-756 (South Korea)

      Sungjee Kim, Department of Chemistry, Pohang University of Science and Technology, Pohang, 790-784 (South Korea)

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  • Prof. Sungjee Kim

    Corresponding author
    1. Department of Chemistry, Pohang University of Science and Technology, Pohang, 790-784 (South Korea)
    • Hyo Joong Lee, Department of Chemistry, Chonbuk National University, Jeonju, 561-756 (South Korea)

      Sungjee Kim, Department of Chemistry, Pohang University of Science and Technology, Pohang, 790-784 (South Korea)

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Abstract

original image

Layer cake: Multilayered CdSe quantum dot (QD) sensitizers are layer-by-layer assembled onto ZnO nanowires by making use of electrostatic interactions to study the effect of the layer number on the photovoltaic properties. The photovoltaic performance of QD-sensitized solar cells critically depends on this number as a result of the balance between light-harvesting efficiency and carrier-recombination probability.

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