%0 Journal Article %T Control over π-π stacking of heteroheptacene-based nonfullerene acceptors for 16% efficiency polymer solar cells %A Ma,, Yunlong %A Cai,, Dongdong %A Wan,, Shuo %A Yin,, Pan %A Wang,, Pengsong %A Lin,, Wenyuan %A Zheng,, Qingdong %J National Science Review %V 7 %N 12 %P 1886-1895 %D 2020-12-18 %I China Science Publishing & Media Ltd. (Science Press) %~ DeepDyve