PHOTOPHYSICS

作品数:56被引量:51H指数:4
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相关领域:理学更多>>
相关作者:陈学元更多>>
相关机构:华东师范大学北京师范大学中国科学院北京理工大学更多>>
相关期刊:《National Science Review》《Journal of Innovative Optical Health Sciences》《Chinese Journal of Chemical Physics》《Science China Chemistry》更多>>
相关基金:国家自然科学基金国家重点基础研究发展计划中国博士后科学基金北京市自然科学基金更多>>
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Photophysics of halide perovskite nanocrystal quantum dots
《Nano Research》2024年第12期10536-10542,共7页Yoshihiko Kanemitsu 
support in preparing this manuscript.Part of this work was supported by Core Research for Evolutionary Science and Technology,Japan Science and Technology Agency(JST CREST)(JPMJCR21B4);Grant-in-Aid for Specially promoted Research,Japan Society for the Promotion of Science(JSPS KAKENHI)(JP19H05465).
Here I provide a summary of my group’s research on the photophysics of nanocrystal quantum dots and briefly discuss multipeak luminescence structures related to excitons,trions,and biexcitons in halide perovskite nan...
关键词:quantum dot nanocrystals halide perovskite EXCITON TRIONS BIEXCITON 
Secondary Aggregation Induced by Volatile Additive for Improved Exciton Diffusion and Charge Separation in High Efficiency Organic Photovoltaic Devices
《Chinese Journal of Chemistry》2024年第22期2825-2832,共8页Yufeng Ge Xuewu Li Mingxu Zhou Peng Lu Xiaotao Hao 
supported by the National Natural Science Foundation of China(52320105003,52073162);Major Program of Natural Science Foundation of Shandong Province(ZR2019ZD43);X.T.H also acknowledges support from Taishan Scholars Program(tstp20230610);the ARC Centre of Excellence in Exciton Science(CE170100026);Analytical Center for Structural Constituent and Physical Property of Core Facilities Sharing Platform,Shandong University for Femtosecond transient absorption spectroscopy system(TAS,2104573s).
The morphology of the active layer plays a crucial role in the performance of organic photovoltaics.Although volatile additives are commonly used to manipulate the morphology,their mechanism of action remains poorly u...
关键词:Organic photovoltaics Volatile additive Exciton diffusion Charge separation Hole transfer Morphology control PHOTOPHYSICS Kinetics π-πStacking Time-resolved spectroscopy Adsorption 
The dark side of cyclooctatetraene(COT):Photophysics in the singlet states of“self-healing”dyes被引量:1
《Chinese Chemical Letters》2024年第8期225-228,共4页Supphachok Chanmungkalakul Syed Ali Abbas Abedi Federico J.Hernández Jianwei Xu Xiaogang Liu 
the support from the Ministry of Education;Singapore (MOE,No.MOET2EP10120-0007);A^(*)STAR under its Advanced Manufacturing and Engineering Program (No.A2083c0051);the SUTD Kickstarter Initiative (No.SKI 2021_01_01);supported by QMUL Research-IT for computational resources,and the ARCHER UK National Supercomputing Service (No.EP/X035859/1) via the Materials Chemistry Consortium;the Molecular Modelling Hub for computational resources,MMM Hub,which is partially funded by EPSRC (No.EP/T022213/1);Leverhulme Trust (No.RPG-2019-122) for funding
Cyclooctatetraene(COT)attachment to fluorophores(“self-healing”dyes)is known for quenching reac-tive triplet states via triplet-state energy transfer(TET),enhancing photostability.However,COT’s impact on singlet st...
关键词:CYCLOOCTATETRAENE PHOTOSTABILITY Triplet state quencher Energy transfer Electron transfer 
Controllable Exciton Diffusion Length and Ultrafast Charge Generation in Ternary Organic Solar Cells被引量:1
《Chinese Journal of Chemistry》2024年第11期1275-1283,共9页Sixuan Cheng Jiawei Qiao Peng Lu Wei Qin Xiaotao Hao 
supported by the National Natural Science Foundation of China(52073162);Major Program of Natural Science Foundation of Shandong Province(ZR2019ZD43);X.T.H also acknowledges support from the Taishan Scholars Program(tstp20230610);ARC Centre of Excellence in Exciton Science(CE170100026).
Charge generation,a critical process in the operation of organic solar cell(OSC),requires thorough investigation in an ultrafast perspective.This work demonstrates that the utilization of alloy model for the non-fulle...
关键词:Organic photovoltaics Ternary strategy Exciton diffusion Hole transfer Trap state Kinetics Alloys PHOTOPHYSICS 
On the thermodynamics of aggregation toward phosphorescent metallomesogens:From electronic tuning to supramolecular design
《Aggregate》2024年第3期164-174,共11页Matias E.Gutierrez Suburu Meik Blanke Leon Geerkens Alexander HeppIván Maisuls Jutta KöstersThorben Neumann Jens Voskuhl Michael Giese Cristian A.Strassert 
Deutsche Forschungsgemeinschaft(DFG,German Research Foundation),Grant/Award Number:Project-ID 433682494-SFB 1459;Deutsche Forschungsgemeinschaft(DFG,German Research Foundation),Grant/Award Number:INST 211/915-1 FUGG;Deutsche Forschungsgemeinschaft(DFG,German Research Foundation),Grant/Award Number:EXC1003CiM(“Berufungsmittel”)。
Two series with three Pt(II)complexes each(PtLPh-n,PtLFpy-n)bearing asymmet-ric tetradentate ligands as dianionic luminophores with variable alkyl chain lengths were synthesized.Hence,each ligand series is distinguish...
关键词:AGGREGATION METALLOMESOGENS organometallic synthesis PHOSPHORESCENCE PHOTOPHYSICS supramolecu-lar chemistry 
Photophysics of metal-organic frameworks:A brief overview
《Chinese Physics B》2024年第1期122-133,共12页刘晴硕 余俊宏 胡建波 
Project supported by the Science Challenge Project(Grant No.TZ2018001);the National Natural Science Foundation of China(Grant Nos.11872058 and 21802036);the Project of State Key Laboratory of Environment-friendly Energy Materials,and Southwest University of Science and Technology(Grant No.21fksy07)。
Metal-organic frameworks(MOFs),which are self-assembled porous coordination materials,have garnered considerable attention in the fields of optoelectronics,photovoltaic,photochemistry,and photocatalysis due to their d...
关键词:metal-organic framework(MOF) ultrafast spectroscopy PHOTOPHYSICS carrier dynamics 
Controllable Secondary Through-Space Interaction and Clusteroluminescence
《CCS Chemistry》2023年第12期2832-2844,共13页Zuping Xiong Jianyu Zhang Lei Wang Yuan Xie Yipu Wang Zujin Zhao Haoke Zhang Jing Zhi Sun Feihe Huang Ben Zhong Tang 
the National Science Foundation of China(grant no.22205197);the project funded by China Postdoctoral Science Foundation(grant no.2022M712721);the Youth Talent Excellence Program of ZJU-Hangzhou Global Scientific and Technological Innovation Center for their financial support.
Nonconjugated clusteroluminogens(CLgens),such as proteins and polystyrene,have become increasingly important in photophysics.They show many advantages over traditional conjugated dyes with fused aromatic rings in biol...
关键词:through-space interaction clusteroluminescence aggregation-induced emission ALKANES electronic structures aggregate photophysics 
Aromaticity Concerto in Polycyclic Conjugated Hydrocarbons:Fusion Pattern on Combined Aromaticity Strategy Leads to Distinctive Excited State Photophysics of Dinaphthopentalenes被引量:1
《CCS Chemistry》2023年第10期2264-2276,共13页Long Wang Lu Lin Teng-Shuo Zhang Shaoting Guo Zuyuan Liu Mengfan Zhang Senhao Wang Ganglong Cui Wei-Hai Fang Jun Zhu Hongbing Fu Jiannian Yao 
supported by the National Natural Science Foundation of China(grant nos.22005210,21833005,and 22231009).
Understanding the structure-property relationships in polycyclic conjugated hydrocarbons(PCHs)is crucial in controlling their electronic properties and developing new optically functional materials.Aromaticity is a fu...
关键词:polycyclic conjugated hydrocarbon AROMATICITY fusion pattern excited state photophysics singlet fission combined aromaticity design strategy optical function materials 
Manipulation of the through-space interactions in diphenylmethane
《Smart Molecules》2023年第2期45-53,共9页Weihao Tu Zuping Xiong Ziteng Zhang Jianyu Zhang Lei Wang Yuan Xie Yipu Wang Haoke Zhang Jing Zhi Sun Ben Zhong Tang 
the National Science Foundation of China(22205197);the project funded by China Postdoctoral Science Foundation(2022M712721);the Youth Talent Excellence Program of ZJU-Hangzhou Global Scientific and Technological Innovation Center.
Through-space interaction(TSI)has been proven to play an important role in the newly emerging clusteroluminescence(CL)phenomenon.However,it is still a big challenge to manipulate the TSI at the molecular level due to ...
关键词:clusteroluminescence DIPHENYLMETHANE PHOTOPHYSICS through-space interactions 
Cascading electron transfer and photophysics in a donor-π-acceptor graphene nanoconjugate
《Nano Research》2023年第4期5909-5918,共10页Lulu Fu Hui Li Yan Fang Zihao Guan Zhiyuan Wei Naying Shan Fang Liu Yang Zhao Mingfei Zhang Zhipeng Huang Mark GHumphrey Chi Zhang 
Financial support from the National Natural Science Foundation of China(No.51432006);the Ministry of Science and Technology of China for the International Science Linkages Program(No.2011DFG52970);the Ministry of Education of China for the Changjiang Innovation Research Team(No.IRT14R23);the Ministry of Education and the State Administration of Foreign Experts Affairs for the 111 Project(No.B13025);the Innovation Program of Shanghai Municipal Education Commission are gratefully acknowledged.M.G.H thanks the Australian Research Council(No.DP170100411)for support.
Electron-donating porphyrins(Por),electron-accepting phthalocyanines(Pcs),and reduced graphene oxide(RGO)were integrated into a multicomponent nanoconjugate(Por-RGO-Pc).The donor-π-acceptor nanoconjugate Por-RGO-Pc w...
关键词:GRAPHENE nanoconjugate donor-π-acceptor(D-π-A) cascading charge separation nonlinear optics 
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