Robust Tin-Based Perovskite Solar Cells with Hybrid Organic Cations to Attain Efficiency Approaching 10% Jokar, Efat ; Chien, Cheng-Hsun ; Tsai, Cheng-Min ; Fathi, Amir ; Diau, Eric Wei-Guang Abstract Publication: Advanced Materials Pub Date: January 2019 DOI: 10.1002/adma.201804835 Bibcode: 2019AdM....3104835J