首站-论文投稿智能助手
典型文献
Influence of Molecular Stacking Pattern on Excited State Dynamics of Copper Phthalocyanine Films
文献摘要:
Photophysical processes occurring within organic semiconductors is important for designing and fab-ricating organic solar cells.Copper phthalocya-nine(CuPc)is a typical electron acceptor.In this work,the triplet exciton lifetime is prolonged by al-tering the molecular stacking pattern of the CuPc film.For CuPc thin films,the excited state de-cays are mainly determined by the triplet-triplet an-nihilation process.The ultrafast transient absorp-tion measurements indicate that the primary anni-hilation mechanism is one-dimensional exciton diffu-sion collision destruction.The decay kinetics show a clearly time-dependent annihilation rate constant with γ∝t-1/2.Annihilation rate constants are deter-mined to be γ0=(2.87±0.02)×10-20 cm3·s-1/2 and(1.42±0.02)×10-20 cm3·s-1/2 for upright and lying-down configurations,respectively.Compared to the CuPc thin film with an upright configuration,the thin film with a lying-down configuration shows longer exciton lifetime and higher absorbance,which are beneficial to organic solar cells.The results in this work have important implications on the design and mechanistic understanding of organic optoelectronic devices.
文献关键词:
作者姓名:
Meng Li;Wen-hui Li;Yu-jie Hu;Jing Leng;Wen-ming Tian;Chun-yi Zhao;Jun-xue Liu;Rong-rong Cui;Sheng-ye Jin;Chuan-hui Cheng;Shu-lin Cong
作者机构:
School of Physics,Dalian University of Technology,Dalian 116024,China;State Key Laboratory of Molecular Reaction Dynamics,Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian 116023,China
引用格式:
[1]Meng Li;Wen-hui Li;Yu-jie Hu;Jing Leng;Wen-ming Tian;Chun-yi Zhao;Jun-xue Liu;Rong-rong Cui;Sheng-ye Jin;Chuan-hui Cheng;Shu-lin Cong-.Influence of Molecular Stacking Pattern on Excited State Dynamics of Copper Phthalocyanine Films)[J].化学物理学报(英文版),2022(06):900-906
A类:
phthalocya,cays,nihilation,anni,hilation,Annihilation
B类:
Influence,Molecular,Stacking,Pattern,Excited,State,Dynamics,Copper,Phthalocyanine,Films,Photophysical,processes,occurring,within,organic,semiconductors,important,designing,fab,ricating,solar,cells,CuPc,typical,acceptor,this,work,triplet,exciton,lifetime,prolonged,by,tering,molecular,stacking,pattern,For,films,excited,state,mainly,determined,ultrafast,transient,absorp,measurements,indicate,that,primary,mechanism,one,dimensional,diffu,collision,destruction,decay,kinetics,clearly,dependent,annihilation,rate,constants,cm3,upright,lying,down,configurations,respectively,Compared,shows,longer,higher,absorbance,which,beneficial,results,have,implications,mechanistic,understanding,optoelectronic,devices
AB值:
0.525093
相似文献
Enabling Multi-Chemisorption Sites on Carbon Nanofibers Cathodes by an In-situ Exfoliation Strategy for High-Performance Zn-Ion Hybrid Capacitors
Hongcheng He;Jichun Lian;Changmiao Chen;Qiaotian Xiong;Cheng Chao Li;Ming Zhang-Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education,Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices,Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy,School of Physics and Electronics,College of Semiconductors(College of Integrated Circuits),Hunan University,Changsha 410082,People's Republic of China;Tsinghua Shenzhen International Graduate School,Tsinghua University,Shenzhen 518055,People's Republic of China;School of Chemical Engineering and Light Industry,Guangdong University of Technology,Guangzhou 510006,People's Republic of China
High-Performance Perovskite Quantum Dot Solar Cells Enabled by Incorporation with Dimensionally Engineered Organic Semiconductor
Seyeong Lim;Dae Hwan Lee;Hyuntae Choi;Yelim Choi;Dong Geon Lee;Sung Beom Cho;Seonkyung Ko;Jongmin Choi;Younghoon Kim;Taiho Park-Department of Chemical Engineering,Pohang University of Science and Technology(POSTECH),Pohang 37673,Republic of Korea;Department of Materials Science and Engineering,Hanyang University,Seoul 04763,Republic of Korea;Center of Materials Digitalization,Korea Institute of Ceramic Engineering and Technology(KICET),Jinju 52851,Republic of Korea;Department of Materials Science and Engineering,Ajou University,Suwon 16499,Republic of Korea;Department of Energy Science and Engineering,Daegu Gyeongbuk Institute of Science and Technology(DGIST),Daegu 42988,Republic of Korea;Department of Chemistry,Kookmin University,Seoul 02707,Republic of Korea
机标中图分类号,由域田数据科技根据网络公开资料自动分析生成,仅供学习研究参考。