3 years ago

Dye-Sensitized Solar Cells with Sol–Gel Derived AZO/GZO Bilayer as an Efficient Electron Transport Layer


In this article, we deposited a layer of ZnO nanostructure doped with various concentrations from 0.0 to 4.0% volume percentage of aluminum and gallium on the glass substrate via sol–gel process and spin coating technique. The sol concentration that used for spin coating was 0.1 M. The thin films were analyzed by X-ray diffraction, scanning electron microscopy, UV–Vis spectrometer and resistivity measurement (four point probe) to investigate the structural, surface morphology, optical transmittance, and electrical properties of the thin films. Then the optimized layers were used in dye-sensitized solar cells. The sample with GZO/AZO bilayer shows the 10.2 mA/cm2 short circuit current density, 0.51 V open circuit voltage, 56% fill factor and 2.91% efficiency.

Publisher URL: https://link.springer.com/article/10.1007/s10876-017-1252-7

DOI: 10.1007/s10876-017-1252-7

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