[11p-S221-1~13] 12.5 Organic solar cells

△ [11p-S221-11] Photovoltaic Properties of Non-Fullerene Solar Cells Based on a Phenanthrodithiophene-Based Polymer

〇Hiroki Mori¹, Masaya Watanabe², Yasushi Nishihara¹ (1.RIIS, Okayama Univ., 2.Grad. Sch. of Nat. Sci. and Tech., Okayama Univ.)

Keywords:semiconducting polymers, organic photovoltaic cells, non-fullerene solar cells

In order to improve solar cell performances, a non-fullerene solar cell utilizing a phenanthrodithiophene-based p-type semiconducting polymers and a low-bandgap and small molecular-weight n-type semiconductor was fabricated and characterized. As a result, over 9% of power conversion efficiency was achieved. Furthermore, the relationship between thin-film structures and photovoltaic properties are also evaluated and discussed.