Department of Chemistry;
School of Science;
Beijing Jiaotong University;
Beijing National Laboratory for Molecular Sciences;
CAS Key Laboratory of Organic Solids;
Institute of Chemistry;
Chinese Academy of Sciences;
Institute of Applied Chemistry;
Jiangxi Academy of Sciences;
Organic; solar; cells; Non-fullerene; electron; acceptors; Unfused; core; High; crystallinity; Low; cost; materials;