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Photovoltaic and impedance spectroscopy analysis of p-n like junction for dye sensitized solar cell

  • I. S. Yahia
  • , Hoda S. Hafez
  • , F. Yakuphanoglu
  • , B. Filiz Senkal
  • , M. S.A.Abdel Mottaleb
  • Ain Shams University
  • Menoufia University
  • Firat University
  • King Saud University
  • Istanbul Technical University

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

A dye-sensitized solar cell based on nanostructure TiO2 and PCBM:P3HT blend was fabricated and the photovoltaic and impedance spectroscopy properties of the solar cell were investigated. The solar cell gives a short circuit current density of 0.75 mA/cm2 and an open circuit voltage of 0.60 V under AM1.5. The photovoltage of the solar cell was greatly enhanced by PCBM:P3HT blend. The capacitance-voltage, the conductance-voltage, the series resistances-voltage characteristics of the solar cell were measured in a wide range of frequency for the first time for DSSC applications. The capacitance-voltage shows a behavior from the positive to negative capacitance due to injection of electrons from the FTO electrode into TiO2. It is evaluated that the photovoltaic performance of the dye-sensitized solar cell can be improved using various organic semiconductors.

Original languageEnglish
Pages (from-to)1299-1305
Number of pages7
JournalSynthetic Metals
Volume161
Issue number13-14
DOIs
StatePublished - Jul 2011
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Impedance spectroscopy
  • PCBM:P3HT
  • Photovoltaic properties
  • Positive and negative capacitance
  • TiO nanostructure

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