Performance Degradation of Dye-Sensitized Solar Cells Induced by Electrolytes | Zendy

RuYuan Yang | Zendy; Huang-Yu Chen | Zendy; FuDer Lai | Zendy

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Performance Degradation of Dye-Sensitized Solar Cells Induced by Electrolytes

Author(s) -

RuYuan Yang,

Huang-Yu Chen,

FuDer Lai

Publication year - 2012

Publication title -

advances in materials science and engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.356

H-Index - 42

eISSN - 1687-8442

pISSN - 1687-8434

DOI - 10.1155/2012/902146

Subject(s) - dye sensitized solar cell , electrolyte , materials science , short circuit , degradation (telecommunications) , equivalent series resistance , open circuit voltage , solar cell , current density , optoelectronics , electrode , analytical chemistry (journal) , voltage , electrical engineering , chemistry , environmental chemistry , physics , quantum mechanics , engineering

We investigated the change of the electric characteristics in dye-sensitized solar cell (DSSC) when the electrolyte has been injected and measured initially and lately for a period of time. It was found that the short-circuit current density decreased from 9.799 mA/cm2 to 7.056 mA/cm2 and the fill factor increased from 0.406 to 0.559 when the cell had stood for an hour, while the open-circuit photovoltage did not change due to fixed difference between the Fermi level of TiO2 and the oxidation-reduction potential of electrolyte. The results can be explained by using the variation of the series resistance in the equivalent circuit of the DSSC.

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