Fully Printable\nMesoscopic Perovskite Solar Cells\nwith Organic Silane Self-Assembled Monolayer
Linfeng Liu (1657654)Anyi Mei (1323483)Tongfa Liu (1323492)Pei Jiang (1657651)Yusong Sheng (1657648)Lijun Zhang (483325)Hongwei Han (1323495)
Abstract
By the introduction\nof an organic silane self-assembled monolayer,\nan interface-engineering approach is demonstrated for hole-conductor-free,\nfully printable mesoscopic perovskite solar cells based on a carbon\ncounter electrode. The self-assembled silane monolayer is incorporated\nbetween the TiO<sub>2</sub> and CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub>, resulting in optimized interface band alignments and enhanced\ncharge lifetime. The average power conversion efficiency is improved\nfrom 9.6% to 11.7%, with a highest efficiency of 12.7%, for this low-cost\nperovskite solar cell.
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