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has been cited by the following article:

• TITLE: Study the Effect of Ruthenium Dye Layer on Negative Capacitance in Solar Cells Based on the Nc-TiO2 Semiconducting Polymer Heterojunction

  AUTHORS: H. Al-Dmour

  KEYWORDS: Admittance Spectroscopy, Negative Capacitance, Forward Bias, Polarization

  JOURNAL NAME: Materials Sciences and Applications, Vol.6 No.1, January 21, 2015

  ABSTRACT: We report the effect of ruthenium dye on negative capacitance of nanocrystalline titanium dioxide/poly(3-hexyl thiophene), nc-TiO2/P3HT, heterojunction solar cells. It has been found that the low frequency capacitance reaches a high positive value and then drop to the negative region. In P3HT/Ru-Dye/nc-TiO2 solar cells, the negative capacitance is observed under very low forward bias condition unlike the negative capacitance in P3HT/ncTiO2 solar cells. That is attributed to the difference of the concentration of dipole and presence of depletion region at interface between the P3HT and nc-TiO2.