Statistical analysis of properties of non-fullerene acceptors for organic photovoltaics

Abstract

From ∼ 1500 published journal papers on organic photovoltaics (OPVs), we extracted the OPV performance parameters of power conversion efficiency (PCE), open-circuit voltage (V OC) and short-circuit current density (J SC) and the chemical structures of photovoltaic layer materials to investigate the relation between the extracted data of OPVs accompanied by non-fullerene acceptors (NFAs). Our analysis indicates that there is a suitable range of V OC for high PCE or J SC in NFAs. We also investigated the correlation between the performance parameters and chemical structures of small-molecule NFAs. Our approach may enable us to provide a new design strategy for high-performance OPVs.