Thick-film efficiency preserved
Incorporating insulating polymer PS enhances the ordering of π-π stacking in the donor phase, suppressing trap states and extending exciton diffusion length to maintain high efficiency in thick-film devices.
Zhen, Fu · Qiao, Wei · Cui, Feng · Zhang, Qing · Ling-Ling, Wang · Lu, Peng · Yin, Hang · Du, Yan · Wei, Qin · Hao, Xiao Tao
Advanced Materials 2024