Fe/ZnO nanorod photoanode and pyrocatechol violet sensitizer based dye sensitized solar cells

Year 2018, Volume: 22 Issue: 6, 1736 - 1742, 01.12.2018

Soner Cakar

https://doi.org/10.16984/saufenbilder.382220

Cited By: 1

Abstract

A ZnO and Fe/ZnO nanorods
have been prepared and used in dye sensitized solar cells. The prepared ZnO and
Fe/ZnO nanorods were characterized by XRD, SEM and SEM-EDS. Additionally, the
pyrocatechol violet solutions with different pH values have been prepared,
characterized and used in dye sensitized solar cells. The dyes which have different
pH values were characterized via UV-Vis absorbance and cyclic voltammetry
techniques. The Fe doping to ZnO nanorods increased the solar cell efficiency
by 20-35%. The pyrocatechol violet dye can be binded to Fe atoms on the ZnO
surface and the possible mechanism was discussed in detailed. The efficiency of
champion solar cell is obtained 1.39% with Fe/ZnO photoanode and pH 7.5
pyrocatechol violet dye solution.

Keywords

dye sensitized solar cells, Fe/ZnO nanorods, pyrocatechol violet, different pH

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