09:30 〜 11:30 ▲ [18a-PB01-12] Multifunctional additive strategy to stabilize precursor solution and passivate film defects for MA-free perovskite solar cells with an efficiency of 22.75% 〇(D)BI Huan1、QING SHEN1、HAYASE SHUZI1 (1.The University of Electro-Communications)