Controllable Self-Induced Passivation of Hybrid Lead Iodide Perovskites toward High Performance Solar Cells Chen, Qi ; Zhou, Huanping ; Song, Tze-Bin ; Luo, Song ; Hong, Ziruo ; Duan, Hsin-Sheng ; Dou, Letian ; Liu, Yongsheng ; Yang, Yang Abstract Publication: Nano Letters Pub Date: July 2014 DOI: 10.1021/nl501838y Bibcode: 2014NanoL..14.4158C