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1From Perylene Dimide Polymers to Fused-Ring Electron Acceptors:A 15-Year Exploration Journey of Nonfullerene Acceptors显示文摘Fullerene derivatives are classic electron acceptor materials for organic solar cells (Oscs) but possess some intrinsic drawbacks such as weak visiblelightabsorption,limitedoptoelectronic property tunability,dificult purification and photochemical/morphological instability.Fullereneacceptors area bottleneck restricting further development of this field. Ourgroup pioneered the exploration of novel nonfulerene acceptors in China in 2006,andinitiated the research of two representative acceptor systems, rylene dimide polymer and fused-ring electron acceptor (FREA).FREA breaks the theoreticalefficiencylimit of fullerene-based OsCs (-13%) and promotes the whole field to an unprecedented prosperity with efficiency of 20%, heraldinga nonfullerene era for OsCs.In this review, we revisit 15-year nonfullerene exploration journey,summarize the design principles,molecular engineeringstrategies, physical mechanisms and device applications of these two nonfullerene acceptor systems, and propose some possible researchtopics in the nearfuture.Jiayu Wang Xiaowei Zhan 2022Chinese Journal of Chemistry2022,40,13:2
2A One-Pot Strategy for the Synthesis of β-Substituted Rhoda-and Irida-Carbolong Complexes显示文摘Comprehensive Summary Starting from an organic multiyne,three steps are normally needed for the preparation of non-βphosphonium functionalized rhodaand irida-carbolong complexes.Herein,a one-pot strategy,by mixing a multiyne,a nucleophile,and Rhcl(CO)(PPh_(3))_(2)/AgBF_(4)or[Ir(CH:CN)(CO)(PPh_(3))_(2)]BF_(4),was developed to achieve a series ofβfunctionalized rhoda-and irida-carbolong complexes.Theβ-substituents in these complexes can be various C-,N-and O-centered groups,dependent on the nucleophiles used.This strategy provides a new convenient route to construct carbolong complexes,which is important for the further development of carbolong chemistry.Binbin Xu Wei Mao Chengcheng Wu Jinhua Li Zhengyu Lu Ming Luo Liu Leo Liu Lingling Mao Dafa Chen Haiping Xia 2022Chinese Journal of Chemistry2022,40,15:0
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