Figure 4

GISAXS profiles of the one-step solution-processed CH3NH3PbI3−xClx films prepared with 0, 10, 20 and 40% of chloride, respectively.

GISAXS profiles of the one-step solution-processed CH3NH3PbI3−xClx films prepared with 0, 10, 20 and 40% of chloride, respectively.