Why does my perovskite solar cells always suffer from low Jsc and FF?

Recently I step into this field as a rookie, my cell is FTO/bl-TiO2/mp-TiO2/MA0.17FA0.83PbI2.49Br0.51/X60+LiTFSI+t-BP/Au. Blocking layer from ALD system has thickness ~50 nm, mp-TiO2 is...

09 January 2019 7,156 7 View