Solution-processed perovskite solar cells using environmentally friendly solvent system Feng, Yue ; Jiang, Ke-Jian ; Huang, Jin-Hua ; Wang, Hui-Jia ; Chen, Ming-Gong ; Zhang, Yu ; Zheng, Li ; Song, Yan-Lin Abstract Publication: Thin Solid Films Pub Date: August 2017 DOI: 10.1016/j.tsf.2017.07.019 Bibcode: 2017TSF...636..639F