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Solvent-Stabilized Y-Type Oxotitanium Phthalocyanine Photoconductive Nanoparticles: Preparation and Application in Single-Layered Photoreceptors

Authors

  • Dejian Liang,

    1. Beijing National Laboratory for Molecular Science, State Key Laboratory for Structural, Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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  • Wenlian Peng,

    1. Beijing National Laboratory for Molecular Science, State Key Laboratory for Structural, Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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  • Yuan Wang

    Corresponding author
    1. Beijing National Laboratory for Molecular Science, State Key Laboratory for Structural, Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
    • Beijing National Laboratory for Molecular Science, State Key Laboratory for Structural, Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.
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Abstract

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Photoconductive Y-TiOPc nanoparticles (NPs) (dav = 3.4 nm), well dispersible in 1,2-dichloroethane, are efficiently prepared via a colloidal-solution-mediated phase-transition process. Single-layered photoreceptors composed of Y-TiOPc-NPs/insulator/Y-TiOPc-NPs quantum junctions exhibit outstanding xerographic properties by virtue of the high photogeneration quantum efficiency and high work function of the Y-TiOPc-NPs, as well as efficient light-induced electron tunneling through the junctions.

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