Preparation Composition | Amount of Additives |
CH3NH3PbI3 | None |
CH3NH3PbI3Cl0.15 | NH4Cl (5 mg) |
CH3NH3Pb0.95As0.05I3.05 | AsI3 (14.5 mg) |
CH3NH3Pb0.95As0.05I3.05Cl0.15 | AsI3 (14.5 mg) + NH4Cl (5 mg) |