Enhancement of charge transport properties of small molecule semiconductors by controlling fluorine substitution and effects on photovoltaic properties of organic solar cells and perovskite solar cells† †Electronic supplementary information (ESI) available: Experimental details including synthesis and experimental method. See DOI: 10.1039/c6sc02448c Click here for additional data file.

Enhancement of Charge Transport Properties of Small Molecule Semiconductors by Controlling Fluorine Substitution and Effects on Photovoltaic Properties of Organic Solar Cells and Perovskite Solar cells Jae Hoon Yun,ac Sungmin Park,ad Jin Hyuck Heo,e Hyo-Sang Lee,af Seongwon Yoon,b Jinback Kang,g Sang Hyuk Im,e Hyunjung Kim,g Wonmok Lee,h BongSoo Kim,a Min Jae Ko,a Dae Sung Chung,b* and Hae Jung Sonacf* a.Photoelectronic Hybrid Research center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea, E-mail: [email protected] b. School of Chemical Engineering and Material Science, Chung-Ang University, Seoul 06974, Republic of Korea, E-mail: [email protected] c University of Science and Technology (UST), Daejeon 34113, Republic of Korea d.Department of Chemistry, Korea University, Seoul 06974, Republic of Korea e.Functional Crystallization Center (FCC), Department of Chemical Engineering, Kyung Hee University, Yongin-si 17104, Gyeonggi-do, Republic of Korea f.Green School (School of Energy and Environment), Korea University, Seoul 02792, Republic of Korea g.Department of Physics, Sogang University, Seoul 04107, Republic of Korea h.Department of Chemistry, Sejong University, Seoul 05006, Republic of Korea