A series of opaque and semitransparent polymer solar cells(PSCs)were fabricated with PM6:Y6 as active layers,and 100 nm Al or 1 nm Au/(20,15,10 nm)Ag layer as electrode,respectively.The power conversion efficiency(PCE...A series of opaque and semitransparent polymer solar cells(PSCs)were fabricated with PM6:Y6 as active layers,and 100 nm Al or 1 nm Au/(20,15,10 nm)Ag layer as electrode,respectively.The power conversion efficiency(PCE)of opaque PSCs arrives to 15.83%based on the optimized active layer with a thickness of 100 nm,resulting from the well-balanced photon harvesting and charge collection.Meanwhile,the 100 nm PM6:Y6 blend film exhibits a 50.5%average visible transmittance(AVT),which has great potential in preparing efficient semitransparent PSCs.The semitransparent electrodes were fabricated with 1 nm Au and different thick Ag layers,exhibiting a relatively high transmittance in visible light range and relatively low transmittance in near infrared range.The PCE and AVT of the semitransparent PSCs can be adjusted from 14.20%to 12.37%and from 8.9%to 18.6%along with Ag layer thickness decreasing from 20 to 10 nm,respectively,which are impressive values among the reported semitransparent PSCs.展开更多
Organic photovoltaic cells(OPVs) have attracted more and more attention due to its highly potential application to solve the energy crisis considering its advantages,such as low cost and ease of large area production....Organic photovoltaic cells(OPVs) have attracted more and more attention due to its highly potential application to solve the energy crisis considering its advantages,such as low cost and ease of large area production.The power conversion efficiency(PCE) of OPVs has undergone a more than nine-fold increase from ～1.0% by Tang in 1986 to 9.2% in 2010 announced by Mitsubishi Chemical.The major challenges of obtaining high efficiency OPVs are the synthesis of new narrow band gap materials,controlling molecular arrangement,designing novel configuration cells for better photon harvesting in the active layer.In the article,we summarized the recent progress of novel narrow band gap photovoltaic materials and the effective methods to control the morphology of donor and acceptor in the blend films for high performance of OPVs.展开更多
基金financially supported by the National Natural Science Foundation of China(61675017,61975006)Beijing Natural Science Foundation(4192049).
文摘A series of opaque and semitransparent polymer solar cells(PSCs)were fabricated with PM6:Y6 as active layers,and 100 nm Al or 1 nm Au/(20,15,10 nm)Ag layer as electrode,respectively.The power conversion efficiency(PCE)of opaque PSCs arrives to 15.83%based on the optimized active layer with a thickness of 100 nm,resulting from the well-balanced photon harvesting and charge collection.Meanwhile,the 100 nm PM6:Y6 blend film exhibits a 50.5%average visible transmittance(AVT),which has great potential in preparing efficient semitransparent PSCs.The semitransparent electrodes were fabricated with 1 nm Au and different thick Ag layers,exhibiting a relatively high transmittance in visible light range and relatively low transmittance in near infrared range.The PCE and AVT of the semitransparent PSCs can be adjusted from 14.20%to 12.37%and from 8.9%to 18.6%along with Ag layer thickness decreasing from 20 to 10 nm,respectively,which are impressive values among the reported semitransparent PSCs.
基金supported by the National Natural Science Foundation of China (10804006,20904057 and 21074055)the Natural Science Foundation of Beijing (2122050)+1 种基金the Basic Research Foundation of the Central Universities (2011JBM123)F. Zhang thanks the support from the "Double Hundred Talents Plan" of Beijing Jiaotong University and the State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
文摘Organic photovoltaic cells(OPVs) have attracted more and more attention due to its highly potential application to solve the energy crisis considering its advantages,such as low cost and ease of large area production.The power conversion efficiency(PCE) of OPVs has undergone a more than nine-fold increase from ～1.0% by Tang in 1986 to 9.2% in 2010 announced by Mitsubishi Chemical.The major challenges of obtaining high efficiency OPVs are the synthesis of new narrow band gap materials,controlling molecular arrangement,designing novel configuration cells for better photon harvesting in the active layer.In the article,we summarized the recent progress of novel narrow band gap photovoltaic materials and the effective methods to control the morphology of donor and acceptor in the blend films for high performance of OPVs.
