Laboratory of Advanced Optoelectronic Materials;
Suzhou Key Laboratory of Novel Semiconductor-optoelectronics Materials and Devices;
College of Chemistry;
Chemical Engineering and Materials Science;
Soochow University;
Suzhou 215123;
China;
National Engineering Research Center for Colloidal Materials;
School of Chemistry&Chemical Engineering;
Shandong University;
Jinan 250100;
China;
Beijing National Laboratory for Molecular Sciences;
CAS Key Laboratory of Organic Solids;
Institute of Chemistry;
Chinese Academy of Sciences;
Beijing 100190;
China;
non-fused electron-deficient building block; low-cost polymer acceptors; batch-to-batch reproducibility; all-polymer solar cells;