Dye-sensitized solar cells based on oriented ZnO nanowire-covered TiO2 nanoparticle composite film electrodes |
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Authors: | Yuqiao Wang Yueming Sun Kang Li |
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Affiliation: | School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China |
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Abstract: | The oriented ZnO nanowire-covered TiO2 nanoparticle composite film electrodes were fabricated by screen-printed TiO2 nanoparticle layer on conducting glass and low-temperature hydrothermal growth of ZnO nanowires. The film morphology, composition and crystalline structure were confirmed by field-emission scanning electron microscopy, energy dispersive X-ray spectra and X-ray diffraction patterns respectively. Dye-sensitized solar cells based on the composite electrode gained short-circuit current density of 8.04 mA/cm2, open-circuit photovoltage of 0.67 V, fill factor of 0.40, and overall conversion efficiency of 2.15%. |
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Keywords: | Nanowire Composite electrode Solar cells Hydrothermal method |
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