CH3NH3PbI(3−x)(BF4)x: molecular ion substituted hybrid perovskite

A molecular ion (BF4−) substituted hybrid perovskite CH3NH3PbI(3−x)(BF4)x is synthesized. The substituted perovskite shows significant enhancement in electrical conductivity at low frequencies and improved photoresponse under AM1.5 illumination as compared to the perovskite (CH3NH3PbI3).