Phase Transition Control for High Performance Ruddlesden-Popper Perovskite Solar Cells Zhang, Xu ; Munir, Rahim ; Xu, Zhuo ; Liu, Yucheng ; Tsai, Hsinhan ; Nie, Wanyi ; Li, Jianbo ; Niu, Tianqi ; Smilgies, Detlef-M. ; Kanatzidis, Mercouri G. ; Mohite, Aditya D. ; Zhao, Kui ; Amassian, Aram ; Liu, Shengzhong (Frank) Abstract Publication: Advanced Materials Pub Date: May 2018 DOI: 10.1002/adma.201707166 Bibcode: 2018AdM....3007166Z