High fill factor organic solar cells with increased dielectric constant and molecular packing density

Xuning Zhang, Chao Li, Jianqiu Xu, Rui Wang, Jiali Song, Hong Zhang, Yanxun Li, Ya‐Nan Jing, Shilin Li, Guangbao Wu, Jin Zhou, Xing Li, Yingying Zhang, Xiong Li, Jianqi Zhang, Chunfeng Zhang, Huiqiong Zhou, Yanming Sun, Yuan Zhang, Yuan Zhang, Yuan Zhang