Small bandgap non-fullerene acceptor enables efficient PTB7-Th solar cell with near 0 eV HOMO offset

• 作 者: Chao Li Qihui Yue Hao Wu Baoli
• 机 构: SchoolofChemicalSciences,BeijingNationalLaboratoryforMolecularSciences
• 出 处: 能源化学:英文版
• 发表日期: 2021年1期
• 关键词: Organic solar cells Non-fullerene acceptors Small bandgap Driving force HOMO off
• 基金项目: the National Key R&D Program of China (2017YFA0204701),Strategic Priority Research Program of the Chinese Academy of Sciences (XDB12010200),National Basic Research Program of China (Program 973) (

Three small bandgap non-fullerene(SBG NFAs) acceptors,BDTI,BDTI-2 F and BDTI-4 F,based on a carbon-oxygen bridged central core and thieno[3,4-b]thiophene linker,end-capped with varied electronwithdrawing terminal groups,were designed and synthesized.The a