Functionalizing tetraphenylpyrazine with perylene diimides (PDIs) as high-performance nonfullerene acceptors

Gang Li, Shufan Yang, Tao Liu, Jiewei Li, Wenbin Yang, Zhenghui Luo, Cenqi Yan, Dandan Li, Xinyu Wang, Guanwei Cui, Tao Yang, Liang Xu, Shun Ze Zhan, Lijun Huo, He Yan, Bo Tang