Response to Comment on "Self-Organized Superlattice and Phase Coexistence inside Thin Film Organometal Halide Perovskite".

In response to the Comment on article "Self-Organized Superlattice and Phase Coexistence inside Thin Film Organometal Halide Perovskite", it is suggested that the facts that the existence of hexagonal PbI2 is discrepant in 3D crystallographic interpretation and that observation of ( 0 1 ¯ 0 ) and (100) reflections occurs in general, together make the challenges that were raised in the published Comment less convincing. In addition, a new transmission electron microscopy method using direction-selective electron beam damage of the organometal halide perovskite is disclosed.