Alleviate the J-V hysteresis of carbon-based perovskite solar cells via introducing additional methylammonium chloride into MAPbI₃ precursor.

ABSTRACT: The hysteretic phenomenon commonly exists in the J-V curves of perovskite solar cells with different structures, especially for carbon-based mesoscopic perovskite solar cells without hole-conductor (carbon-based PSCs). By adding moderate amounts of methylammonium chloride (MACl) into MAPbI₃ perovskite precursor, we found the J-V hysteresis of carbon-based PSCs could be significantly alleviated and the crystallinity of MAPbI₃ perovskite could also be influenced. With the increasing amount of MACl, MAPbI₃ perovskite showed better and better crystallinity until the MACl came to 0.45 M. The champion device with 0.45 M of additional MACl exhibited a preferable PCE of 14.27% for reverse-scan (RS) and 14.50% for forward-scan (FS), signi

SUBMITTER: Jiang H 

PROVIDER: S-EPMC9087713 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature