5H-dithieno[3,2-b:2′,3′-d]pyran-5-one unit yields efficient wide-bandgap polymer donors

SCIENCE BULLETIN

ELSEVIER

1. National Key Research and Development Program of China [2017YFA0206600]
2. National Natural Science Foundation of China [51773045, 21572041, 21772030, 51922032, 21875286]
3. Youth Association for Promoting Innovation (CAS)
4. Science Fund for Distinguished Young Scholars of Hunan Province [2017JJ1029]