Efficient non-fullerene polymer solar cells enabled by tetrahedron-shaped core based 3D-structure small-molecular electron acceptors

Yuhang Liu, Joshua Yuk Lin Lai, Shangshang Chen, Yunke Li, Kui Jiang, Jingbo Zhao, Zhengke Li, Huawei Hu

A series of tetraphenyl carbon-group (tetraphenylmethane, tetraphenylsilane and tetraphenylgermane) core based 3D-structure non-fullerene electron acceptors ...