摘要
Recently published in Joule,Feng Liu and colleagues from Shanghai Jiaotong University reported a record-breaking 20.8%power conversion efficiency in organic solar cells(OSCs)with an interpenetrating fibril network active layer morphology,featuring a bulk p-in structure and proper vertical segregation achieved through additive-assisted layer-by-layer deposition.This optimized hierarchical gradient fibrillar morphology and optical management synergistically facilitates exciton diffusion,reduces recombination losses,and enhances light capture capability.This approach not only offers a solution to achieving high-efficiency devices but also demonstrates the potential for commercial applications of OSCs.
基金
Technology Development Program of Jilin Province(YDZJ202201ZYTS640)
the National Key Research and Development Program of China(2022YFB4200400)funded by MOST
the National Natural Science Foundation of China(52172048 and 52103221)
Shandong Provincial Natural Science Foundation(ZR2021QB024 and ZR2021ZD06)
Guangdong Basic and Applied Basic Research Foundation(2023A1515012323,2023A1515010943,and 2024A1515010023)
the Qingdao New Energy Shandong Laboratory open Project(QNESL OP 202309)
the Fundamental Research Funds of Shandong University.