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Abstract
In this paper, we fabricated the CdS nanocrystals film on indium-tin oxide (ITO) glass substrates through one-step solvothermal treatment of cadmium nanocrystals layer and sulfur powder in the presence of absolute ethanol. And then we spin-coated a poly (3-hexylthiophene) (P3HT) layer in the CdS film, and finally evaporated an Au electrode through a shadow mask. The resulting products were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and atomic force microscope (AFM). A photovoltaic performance measurement of the fabricated device (ITO/CdS:P3HT/Au) shows a short circuit current density (Jsc) of 0.82 mA cm2, and a power conversion efficiency (η) of 0.03% under an illumination of 100 mW/cm2.
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