The Effect of Morphology of Photoanode on Photovoltaic Properties of ZnO-DSSC

Year 2020, Volume: 10 Issue: 1, 378 - 390, 25.06.2020

Halil Eşgin , Yasemin Çağlar

https://doi.org/10.37094/adyujsci.706982

Abstract

In this work, ZnO nanopowders with different morphology such as nanoleafy and nanosphere were synthesized by hydrothermal method. The X-ray Diffraction (XRD) spectra have showed that ZnO nanopowders synthesized in different morphologies have a highly crystallized hexagonal structure. Scanning Electron Microscopy (SEM) was used to examine the morphology of nanopowders and revealed that they were formed in the nanoleafy and nanosphere structure. Dye-Sensitized Solar Cell (DSSC) fabrication was performed by using ZnO nanopowders as a photoelectrode. The Dye-Sensitized Solar Cells (DSSCs) were immersed in N719 dye at 4h and the performance of the cells (conversion efficiency, open circuit voltage, fill factor and short circuit current) of ZnO-DSSCs were obtained. It has been observed the highest efficiency value of 1.59% for nanosphere ZnO:DSSC.

Keywords

ZnO nanopowders, hydrothermal method, DSSC

Project Number

1706F385 ve 19ADP157

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