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2篇 您的检索式:作者名="Qianguang Yang"
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1Block copolymers as efficient cathode interlayer materials for organic solar cells显示文摘Emerging needs for the large-scale industrialization of organic solar cells require high performance cathode interlayers to facilitate the charge extraction from organic semiconductors.In addition to improving the efficiency,stability and processability issues are major challenges.Herein,we design block copolymers with well controlled chemical composition and molecular weight for cathode interlayer applications.The block copolymer coated cathodes display high optical transmittance and low work function.Conductivity studies reveal that the block copolymer thin film has abundant conductive channels and excellent longitudinal electron conductivity due to the interpenetrating networks formed by the polymer blocks.Applications of the cathode interlayers in organic solar cells provide higher power conversion efficiency and better stability compared to the most widelyapplied ZnO counterparts.Furthermore,no post-treatment is needed which enables excellent processability of the block copolymer based cathode interlayer.Dingqin Hu Jiehao Fu Shanshan Chen Jun Li Qianguang Yang Jie Gao Hua Tang Zhipeng Kan Tainan Duan Shirong Lu Kuan Sun Zeyun Xiao 2021Frontiers of Chemical Science and Engineering2021,15,3:0
2Annealing-free alcohol-processable MoO_(X) anode interlayer enables efficient light utilization in organic photovoltaics显示文摘Molybdenum oxide(MoO_(x))is a commonly used hole extraction material in organic photovoltaics.The MoO_(x) interlayer is deposited typically via thermal evaporation in vacuum.To meet the need for rollto-roll manufacturing,solution processing of MoO_(x) without post-annealing treatment is essential.Herein,we demonstrate an effective approach to produce annealing-free,alcohol-processable MoO_(x) anode interlayers,namely S-MoO_(x),by utilizing the bis(catecholato)diboron(B_(2) Cat_(2))molecule to modify the surface oxygen sites in MoO_(x).The formation of surface diboron-oxygen complex enables the alcohol solubility of S-MoO_(x).An enhanced light utilization is realized in the S-MoO_(x)-based organic photovoltaics.This affords a superior short-circuit current density(Jsc)close to 26 mA cm^(-2) and ultimately a high power-conversion efficiency(PCE)of 15.2%in the representative PM6:Y6 based inverted OPVs,which is one of the highest values in the inverted OPVs using an as-cast S-MoO_(x) anode interlayer.Ke Yang Shanshan Chen Yongli Zhou George Omololu Odunmbaku Zhenghong Xiong Qianguang Yang Ming Wang Zhipeng Kan Zeyun Xiao Shirong Lu Kuan Sun 2021Journal of Energy Chemistry2021,30,10:0
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