Supporting Information for Revealing defective nanostructured surfaces and their impact on intrinsic stability of hybrid perovskites

Revealing defective nanostructured surfaces and their impact on intrinsic stability of hybrid perovskites Yuze Lin1§, Ye Liu1,2§, Shangshang Chen1, Shen Wang1, Zhenyi Ni1, Charles H Van Brackle1, Shuang Yang1, Jingjing Zhao1, Zhenhua Yu1, Xuezeng Dai1, Qi Wang1, Yehao Deng1, Jinsong Huang1,2* 1Department of Applied Physical Sciences, University of North Carolina, Chapel Hill, NC 27599, USA. 2Department of Mechanical and Materials Engineering and Nebraska Center for Materials and Nanoscience, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, USA