Dissolution swelling effect-assisted interfacial morphology refinement enables high efficiency all-polymer solar cells
Weichao Zhang, Yaochang Yue, Fei Han, Hong Zhang, Yongqing Wang, Shengli Yue, Bohao Song, Guanghan Zhao, Chao Qu, Rongsheng Yang, Rui Zeng, Shilin Li, Chuanyun Li, Jin Zhou, Guanghao Lu, Wanfei Shi, Xuning Zhang, Feng Liu, Ming Zhang, Huiqiong Zhou, Yuan Zhang
Abstract
Small molecule incorporation during sequential deposition improved donor crystallization and intercalation, optimizing the heterojunction morphology. The PCEs achieved 19.39% for small-area (0.04 cm 2 ) and 17.71% for large-area (1 cm 2 ) devices.
Topics & Concepts
DissolutionSwellingMaterials scienceMorphology (biology)Chemical engineeringPolymerComposite materialGeologyPaleontologyEngineeringSilicon and Solar Cell TechnologiesOrganic Electronics and PhotovoltaicsThin-Film Transistor Technologies