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Photon-Assisted Electrodeposition of <0001>-n-ZnO/<111>-p-Cu2O Photovoltaic Devices with TiO2 Intermediate Layer
Abstract:
The <111>-Cu2O/<0001>-ZnO photovoltaic (PV) device has been constructed by a electrodeposition f Cu2O layer followed by a photon-assisted electrochemical reaction in aqueous solutions, and the effect of the insertion of the TiO2 layer prepared by a sol-gel technique on the photovoltaic performance was investigated. The structural, optical, and electrical characterizations were carried out with XRD, FE-SEM, UV-Vis-NIR spectrophotometer, and solar simulator. The performance of AZO/<0001>-ZnO/TiO2/<111>-Cu2O PV-devices changed depending on the preparation condition for the TiO2 layer, and the short-circuit current density of 4.86 mAcm-2 has been obtained for the PV device prepared under optimized condition.
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622-625
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July 2015
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