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    Substrate type 〈111〉-Cu2O/〈0001〉-ZnO photovoltaic device prepared by photo-assisted electrodeposition

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    Date
    2015-10
    Author
    Mohd Zamzuri, Mohammad Zain
    Junji, Sasano
    Fariza, Mohamad
    Masanobu, Izaki
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    Abstract
    The substrate-type 〈0001〉ZnO/〈111〉Cu2O photovoltaic (PV) device has been constructed by electrodeposition of a 〈111〉-p-Cu2O layer on an Au(111)/Siwafer substrate followed by stacking the n-ZnO layer by electrodeposition during light irradiation in aqueous solutions. The PV device was fabricated by stacking the Al:ZnO-window by sputtering and the top Al electrode by vacuum evaporation. The 〈0001〉-ZnO layer was composed of aggregates of hexagonal columnar grains grown in the direction normal to the surface, and pores could be observed between the ZnO grains at the deposition time last 1800 s. The 〈0001〉-ZnO/〈111〉-Cu2O PV device showed a photovoltaic performance under AM1.5 illumination, and showed the improved short-circuit current density of 5.87 mA cm-2 by stacking the AZO-TCO due to the increase in the diffusion length of the carrier.
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    http://dspace.unimap.edu.my:80/xmlui/handle/123456789/44148
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