Dipole induced anomalous S-shape I-V curves in polymer solar cells

@inproceedings{Kumar2009DipoleIA,
  title={Dipole induced anomalous S-shape I-V curves in polymer solar cells},
  author={Ankit Kumar and Srinivas Sista and Yang Yang},
  year={2009}
}
A kink is sometimes seen in the I-V curves for organic solar cells. In literature charge blocking has been speculated to be responsible for such kind of anomalous features. In this manuscript, we use poly(3-hexylthiophene):[6, 6]-phenyl-C61-butyric acid methyl ester as our model polymer system and investigate different device structures using ultraviolet photoelectron spectroscopy as our primary tool to investigate the reason for this S-shaped kink. We attribute this anomalous feature to the… CONTINUE READING

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