Group for Molecular Engineering of Functional Materials, École Polytechnique Fédérale de Lausanne, CH-1951, Sion, Switzerland.
ENAC IIE GR-LUD, École Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland.
Adv Mater. 2017 Sep;29(35). doi: 10.1002/adma.201606555. Epub 2017 Jul 17.
Molecularly engineered novel dopant-free hole-transporting materials for perovskite solar cells (PSCs) combined with mixed-perovskite (FAPbI ) (MAPbBr ) (MA: CH NH , FA: NH=CHNH ) that exhibit an excellent power conversion efficiency of 18.9% under AM 1.5 conditions are investigated. The mobilities of FA-CN, and TPA-CN are determined to be 1.2 × 10 cm V s and 1.1 × 10 cm V s , respectively. Exceptional stability up to 500 h is measured with the PSC based on FA-CN. Additionally, it is found that the maximum power output collected after 1300 h remained 65% of its initial value. This opens up new avenue for efficient and stable PSCs exploring new materials as alternatives to Spiro-OMeTAD.
研究了用于钙钛矿太阳能电池（PSCs）的分子工程新型掺杂剂免费空穴传输材料，与混合钙钛矿（FAPbI ）（MAPbBr ）（MA：CH NH ，FA：NH=CHNH ）相结合，在 AM 1.5 条件下表现出优异的 18.9%功率转换效率。FA-CN 和 TPA-CN 的迁移率分别确定为 1.2×10 -4 和 1.1×10 -4 cm 2 V -1 s -1。基于 FA-CN 的 PSC 测量到高达 500 h 的卓越稳定性。此外，发现经过 1300 h 后收集的最大功率输出仍保持其初始值的 65%。这为高效稳定的 PSCs 开辟了新途径，探索了替代 Spiro-OMeTAD 的新材料。
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