Star nonfullerene acceptors like ITIC[1],IDIC[2],O-IDTBR[3],IT-4 F[4],COi8 DFIC[4],Y6[6]etc.continuously emerge and keep pushing the power conversion efficiency(PCE)of organic solar cells forward.These small molecules...Star nonfullerene acceptors like ITIC[1],IDIC[2],O-IDTBR[3],IT-4 F[4],COi8 DFIC[4],Y6[6]etc.continuously emerge and keep pushing the power conversion efficiency(PCE)of organic solar cells forward.These small molecules generally show narrow bandgaps,excellent visible to NIR light-harvesting capability,good electron mobility.展开更多
Since 1995,bulk-heterojunction organic solar cells consisting of one or two organic donors and one or two organic acceptors have been fighting for high power conversion efficiencies(PCEs)and good stability[1].Until re...Since 1995,bulk-heterojunction organic solar cells consisting of one or two organic donors and one or two organic acceptors have been fighting for high power conversion efficiencies(PCEs)and good stability[1].Until recent years,this next-generation photovoltaic technology starts to offer decent PCEs,shedding the light on commercialization,and attracting great attention again[2-14].Compared w让h the continuously emerging highperformance nonfullerene acceptors,high-performance donors are rare.展开更多
基金supported by the National Key Research and Development Program of China(2017YFA0206600,SQ2020YFE010701)the National Natural Science Foundation of China(51773045,21772030,51922032,21961160720,51473053)the Natural Science Foundation of Hunan Province(2019JJ50603)。
文摘Star nonfullerene acceptors like ITIC[1],IDIC[2],O-IDTBR[3],IT-4 F[4],COi8 DFIC[4],Y6[6]etc.continuously emerge and keep pushing the power conversion efficiency(PCE)of organic solar cells forward.These small molecules generally show narrow bandgaps,excellent visible to NIR light-harvesting capability,good electron mobility.
基金the National Key Research and Development Program of China(2017YFA0206600)the National Natural Science Foundation of China(51773045,21572041,21772030 and 51922032)the Youth Association for Promoting Innovation(CAS)for financial support
文摘Since 1995,bulk-heterojunction organic solar cells consisting of one or two organic donors and one or two organic acceptors have been fighting for high power conversion efficiencies(PCEs)and good stability[1].Until recent years,this next-generation photovoltaic technology starts to offer decent PCEs,shedding the light on commercialization,and attracting great attention again[2-14].Compared w让h the continuously emerging highperformance nonfullerene acceptors,high-performance donors are rare.