Efficient perovskite solar cells enabled by large dimensional structured hole transporting materials

Tai Wu, Dongyang Zhang, Yangmei Ou, Huili Ma, Anxin Sun, Rongmei Zhao, Liqiong Zhu, Runtao Wang, Rongshan Zhuang, Gaoyuan Liu, Yuanju Zhao, Qian Lai, Yong Hua