Whatch the video by Joe Manser, with appearances by Prashant Kamat, Mercouri Kanatzidis, and colleagues.
and see the related article Tapping Solar Power With Perovskites
Here is what you get in this process
This is a SEM picture of CH3NH3PbI3 crystal, made by Nam-Gyu Park, professor at Sungkyunkwan University (in the picture, in our way for dinner in Seoul).
You see the perovskite record-fighting people at the next HOPV Conference in Lausanne.