Citation: Zhang, Yu; Li, Fengzhu; Jiang, Ke-Jian; Huang, Jin-Hua; Wang, Huijia; Fan, Haochen; Wang, Pengcheng; Liu, Cai-Ming; Zhang, Li-Peng; Song, YanLin (2018). From 2D to 3D: a facile and effective procedure for fabrication of planar CH3NH3PbI3perovskite solar cells. Journal of Materials Chemistry A, 6, pp. 17867-.