Preparation of ZnO nanoparticles and nanosheets and their application to dye-sensitized solar cells |
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Authors: | Ali Elkhidir Suliman Yiwen Tang Liang Xu |
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Affiliation: | aInstitute of Nano-Science and Technology, Central China Normal University, Wuhan, Hubei 430079, China |
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Abstract: | ZnO nanoparticles which have diameter of 15 nm were prepared by hydrothermal method. ZnO nanosheets were obtained by re-hydrothermal treatment of ZnO nanoparticles. The phase and morphology were investigated by using transmission electron microscope, scanning electron microscope and X-ray diffraction. Also, absorbance spectra were measured by using a UV–vis spectrophotometer. A fill factor of 0.55, short-circuit current of 2.059 mA/cm2, open-circuit voltage of 0.593 V and an overall light to electricity conversion efficiency of 1.55% for the solar cell based on ZnO nanosheets were obtained. |
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Keywords: | ZnO nanoparticle Nanosheet Thin film Solar cell Fill factor |
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