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典型文献
Low-cost polymer acceptors with noncovalently fused-ring backbones for efficient all-polymer solar cells
文献摘要:
The polymerization of fused-ring acceptors(FRAs)to afford their corresponding polymeric acceptors for high-performance all-polymer solar cells(all-PSCs)has achieved remarkable progress in the past few years.However,due to the high degree of synthetic complexity for the monomer,the high-cost of these polymeric acceptors may limit their commercial applications.Thus,it is urgent to develop inexpensive and high-performance polymeric acceptors for all-PSCs.Herein,two novel polymeric acceptors(PBTzO and PBTzO-2F)have been designed and synthesized by copolymerization of noncovalently fused ring acceptors(NFRAs),which were employed in all-PSCs for the first time.Upon introducing the"noncovalently conformational locks(NoCLs)"in the backbone and selective fluorination of the end-group,photophysical and electrical properties,and solid-state packing properties of the NFRAs have been rationally tuned.As a result,the PBDB-T:PBTzO-2F based devices presented an excellent power conversion efficiency(PCE)of 11.04%,much higher than that of PBTzO based ones due to the increased charge generation and extraction,improved hole transfer and carrier mobilities,and reduced energy loss.More importantly,PBTzO-2F exhibited a much lower synthetic complexity(SC)index and higher figure-of-merit(FOM)values than the high-performance fused-ring acceptor based polymer acceptors(FRA-PAs)due to the simpler structures and more effective synthesis.This contribution provided a novel idea to achieve low-cost and high-performance all-PSCs.
文献关键词:
作者姓名:
Xiaobin Gu;Yanan Wei;Xingzheng Liu;Na Yu;Laiyang Li;Ziyang Han;Jinhua Gao;Congqi Li;Zhixiang Wei;Zheng Tang;Xin Zhang;Hui Huang
作者机构:
College of Materials Science and Opto-Electronic Technology,Center of Materials Science and Optoelectronics Engineering,CAS Center for Excellence in Topological Quantum Computation,CAS Key Laboratory of Vacuum Physics,University of Chinese Academy of Sciences,Beijing 100049,China;Center for Advanced Low-dimension Materials,State Key Laboratory for Modification of Chemical Fibers and Polymer Materials,College of Materials Science and Engineering,Donghua University,Shanghai 201620,China;CAS Key Laboratory of Nanosystem and Hierarchical Fabrication,CAS Center for Excellence in Nanoscience,National Center for Nanoscience and Technology,Beijing 100190,China
引用格式:
[1]Xiaobin Gu;Yanan Wei;Xingzheng Liu;Na Yu;Laiyang Li;Ziyang Han;Jinhua Gao;Congqi Li;Zhixiang Wei;Zheng Tang;Xin Zhang;Hui Huang-.Low-cost polymer acceptors with noncovalently fused-ring backbones for efficient all-polymer solar cells)[J].中国科学:化学(英文版),2022(05):926-933
A类:
noncovalently,FRAs,PBTzO,NFRAs,NoCLs
B类:
Low,cost,acceptors,fused,ring,backbones,efficient,solar,cells,afford,their,corresponding,polymeric,performance,PSCs,has,achieved,remarkable,progress,past,few,years,However,due,degree,synthetic,complexity,monomer,these,may,limit,commercial,applications,Thus,urgent,develop,inexpensive,Herein,two,novel,2F,have,been,designed,synthesized,by,copolymerization,which,were,employed,first,Upon,introducing,conformational,locks,selective,fluorination,end,group,photophysical,electrical,properties,solid,state,packing,rationally,tuned,result,PBDB,devices,presented,excellent,power,conversion,efficiency,PCE,much,higher,than,that,increased,charge,generation,extraction,improved,hole,transfer,carrier,mobilities,reduced,energy,loss,More,importantly,exhibited,lower,figure,merit,FOM,values,PAs,simpler,structures,more,effective,synthesis,This,contribution,provided,idea
AB值:
0.488189
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