Chenyang Zhang, Xiuzun Zhong, Xiaokang Sun, Jie Lv, Yaxiong Ji, Jiehao Fu, Chaoyue Zhao, Yiguo Yao, Guangye Zhang, Wanyuan Deng, Kai Wang, Gang Li, Hanlin Hu
In this study, a novel wide-bandgap small molecule guest material, ITOA, designed and synthesized for fabricating efficient ternary organic solar cells (OSCs) ITOA complements the absorbance of the PM6:Y6 binary system, exhibiting strong crystallinity and modest miscibility. ITOA optimizes the morphology by promoting intensive molecular packing, reducing domain size, and establishing a preferred vertical phase distribution. These features contribute to improved and well-balanced charge transport, suppressed carrier recombination, and efficient exciton dissociation...
April 3, 2024: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)