Control of I-V hysteresis in CH3NH3PbI3 perovskite solar cell.

  title={Control of I-V hysteresis in CH3NH3PbI3 perovskite solar cell.},
  author={Hui-Seon Kim and In-Hyuk Jang and Namyoung Ahn and Mansoo Choi and Antonio Guerrero and Juan Bisquert and Nam Gyu Park},
  journal={The journal of physical chemistry letters},
  volume={6 22},
UNLABELLED Mismatch of current (I)-voltage (V) curves with respect to the scan direction, so-called I-V hysteresis, raises critical issue in MAPbI3 (MA = CH3NH3) perovskite solar cell. Although ferroelectric and ion migration have been proposed as a basis for the hysteresis, origin of hysteresis has not been apparently unraveled. We report here on the origin of I-V hysteresis of perovskite solar cell that was systematically evaluated by the interface-dependent electrode polarizations. Frequency… CONTINUE READING
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