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Unraveling the impacts of intermolecular interaction on morphology evolution for highly efficient organic solar cells and modules

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Science China Chemistry 2025年第1期68卷 264-272页

作者： Xueqing Ma Yingying Cheng Yuqiang Liu Xinming Zheng Guangliu Ran Hongxiang Li Xinyue cui Andong Zhang Wenkai Zhang Pei Cheng Wenchao Huang zhishan Bo Beijing Key Laboratory of Energy Conversion and Storage Materials College of ChemistryBeijing Normal UniversityBeijing 100875China College of Textiles and Clothing State Key Laboratory of Bio-fibers and Eco-textilesQingdao UniversityQingdao 266071China Key State Laboratory of Advanced Technology for Materials Synthesis and Processing School of Materials Science and EngineeringWuhan University of TechnologyWuhan 430070China Department of Physics and Applied Optics Beijing Area Major Laboratory Center for Advanced Quantum StudiesBeijing Normal UniversityBeijing 100875China State Key Laboratory of Polymer Materials Engineering College of Polymer Science and EngineeringSichuan UniversityChengdu 610065China

Understanding the effect of intermolecular interaction on the growth dynamic of active layers is critical for advancing organic solar cells(OSCs).However,the diverse structure of donors and acceptors makes the research *** with customizable structures and properties could simplify this ***,we meticulously tailor two additives of 3,4-ethylenedioxythiophene(EDOT)and 2,5-dibromo-3,4-ethylenedioxythiophene(DBEDOT),possessing distinct intermolecular interaction features to elaborate the inherent *** is found that varied interaction strengths can alter film formation *** enhanced intermolecular interaction between the DBEDOT and non-fullerene acceptor BTP-e C9-4F results in pre-aggregation and longer crystallization duration of BTP-e C9-4F,facilitating the formation of films with compact molecular packing and decent phase ***,exciton dissociation and charge transport become more ***,devices processed with DBEDOT exhibit a remarkable power conversion efficiency of 19.35%in small-area OSCs and 14.11%in bladecoated 5 cm×5 cm organic solar ***,OSCs can maintain 80%of their initial efficiency after continuous annealing at 85℃for over 2,100 h.

关键词： organic solar cell non-fullerene acceptor film growth molecular packing intermolecular interaction

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3D reconstruction of a million atoms by multiple-section local-orbital tomography

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Science Bulletin 2025年第1期70卷 64-69页

作者： Liangze Mao Jizhe cui Rong Yu School of Materials Science and Engineering Tsinghua UniversityBeijing 100084China MOE Key Laboratory of Advanced Materials Tsinghua UniversityBeijing 100084China State Key Laboratory of New Ceramics and Fine Processing Tsinghua UniversityBeijing 100084China

Three-dimensional(3D)structural analysis is an important field in physical and biological *** exist two groups of electron microscopy methods that are capable of providing 3D structural information of an object,i.e.,electron tomography and depth *** tomography is capable of resolving atoms in all three dimensions,but the accuracy in atomic positions is low and the object size that can be reconstructed is *** sectioning methods give high positional accuracy in the imaging plane,but the spatial resolution in the third dimension is *** this work,electron tomography and depth sectioning are combined to form a method called multiple-section local-orbital tomography,or nLOT in *** nLOT method provides high spatial resolution and high positional accuracy in all three *** object size that can be reconstructed is extended to a million *** present method establishes a foundation for the widespread application of atomic electron tomography.

关键词： Atomic electron tomography Depth sectioning Local-orbital Atomic resolution

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Structural Investigation of Solid Methane at High Pressure

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Chinese Physics Letters 2010年第6期27卷 141-143页

作者： ZHAO Juan FENG Wan-Xiang LIU zhi-ming MA Yan-ming HE zhi cui Tian ZOU Guang-Tian State Key Lab of Superhaxd Materials College of Physics Jilin University Changchun 130012

High pressure studies of solid methane are performed using both classical simulated annealing and first-principles methods. A series of simulated annealing and geometry optimization reveal a monoclinic P21/b structure with the unit cell containing four methane molecules. The phonon dispersion curves and vibrational density of states indicate that this structure is stable in the pressure range 10-90 GPa. The electronic band structure and density of states show that this structure has not metalized until 90 GPa.

关键词： STRUCTURAL analysis (Science) METHANE HIGH pressure (Science) SIMULATION methods & models ANNEALING of crystals MATHEMATICAL optimization ELECTRONIC structure PRESSURE

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Prospects of elafibranor in treating alcohol-associated liver diseases

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World Journal of Gastroenterology 2025年第2期31卷 132-137页

作者： Wei-Tong cui Hua-Ru Xue Dian-Fang Wei Xiao-Yu Feng Kai Wang School of Basic Medicine Qilu Medical UniversityZibo 255300Shandong ProvinceChina School of Medical Imaging Qilu Medical UniversityZibo 255300Shandong ProvinceChina

Alcohol-related liver disease(ALD),which is induced by excessive alcohol con-sumption,is a leading cause of liver-related morbidity and *** pa-tients exhibit a spectrum of liver injuries,including hepatic steatosis,inflam-mation,and fibrosis,similar to symptoms of nonalcohol-associated liver diseases such as primary biliary cholangitis,metabolic dysfunction-associated steatotic liver disease,and nonalcoholic *** has been approved for the treatment of primary biliary cholangitis and has been shown to improve symptoms in both animal models and in vitro cell models of metabolic dysfunc-tion-associated steatotic liver disease and nonalcoholic ***,the efficacy of elafibranor in treating ALD remains *** this article,we comment on the recent publication by Koizumi et al that evaluated the effects of elafibranor on liver fibrosis and gut barrier function in an ALD mouse *** findings indicate the potential of elafibranor for ALD treatment,but further experimental investigations and clinical trials are warranted.

关键词： Elafibranor Alcohol-associated liver diseases Peroxisome proliferator-activated receptor Lipid Apoptosis Steatosis Inflammation Fibrosis

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甲午战争中美国袒护日本的原因探析

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山西师大学报(社会科学版) 2025年第2期52卷 56-62页

作者：崔志海南开大学历史学院天津300350

在1894—1895年的中日甲午战争中,美国是所有列强中最为亲日的国家。美国政府在甲午战争期间之所以奉行亲日政策,首先是希望通过日本之手彻底废除中国与朝鲜的宗藩关系,进一步打开中国贸易和投资大门;其次是利用日本以削弱英国、俄国等... 详细信息

在1894—1895年的中日甲午战争中,美国是所有列强中最为亲日的国家。美国政府在甲午战争期间之所以奉行亲日政策,首先是希望通过日本之手彻底废除中国与朝鲜的宗藩关系,进一步打开中国贸易和投资大门;其次是利用日本以削弱英国、俄国等列强在东亚的影响力,增强美国在东亚的影响力;这也是19世纪70年代以来美国东亚政策的一个体现和继续;最后,是受美国国内舆论偏见和价值观念的影响。但历史证明,美国对这场战争的认识是错误的,其袒日政策只是为日本火中取栗,最终搬起石头砸了自己的脚。美国希望利用日本实现其东亚政策的战略意图不但没有实现,反而最后以自食苦果而告终。

关键词：中日甲午战争朝鲜问题中美关系中日关系

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MET receptor tyrosine kinase promotes the generation of functional synapses in adult cortical circuits

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Neural Regeneration Research 2025年第5期20卷 1431-1444页

作者： Yuehua cui Xiaokuang Ma Jing Wei Chang Chen Neha Shakir Hitesch Guirram zhiyu Dai Trent Anderson Deveroux Ferguson Shenfeng Qiu Basic Medical Sciences University of Arizona College of Medicine-PhoenixPhoenixAZUSA Department of Medicine University of Arizona College of Medicine-PhoenixPhoenixAZUSA

Loss of synapse and functional connectivity in brain circuits is associated with aging and neurodegeneration,however,few molecular mechanisms are known to intrinsically promote synaptogenesis or enhance synapse *** have previously shown that MET receptor tyrosine kinase in the developing cortical circuits promotes dendritic growth and dendritic spine *** investigate whether enhancing MET in adult cortex has synapse regenerating potential,we created a knockin mouse line,in which the human MET gene expression and signaling can be turned on in adult(10–12 months)cortical neurons through doxycycline-containing *** found that similar to the developing brain,turning on MET signaling in the adult cortex activates small GTPases and increases spine density in prefrontal projection *** findings are further corroborated by increased synaptic activity and transient generation of immature silent *** MET signaling resulted in an increasedα-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid/N-methyl-Daspartate(AMPA/NMDA)receptor current ratio,indicative of enhanced synaptic function and *** data reveal that enhancing MET signaling could be an interventional approach to promote synaptogenesis and preserve functional connectivity in the adult *** findings may have implications for regenerative therapy in aging and neurodegeneration conditions.

关键词： aging circuit connectivity cortical circuits molecular mechanisms neural regeneration neurodegeneration synapses

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Regulating reversibility of Li-SOCl_(2)batteries by elucidating intrinsic charging conversion strategy

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Science Bulletin 2025年第2期70卷 140-143页

作者： Guodong Chen Xin Liu Haoqi Hou Xiangyu Gao Lei Hu Shanmu Dong Guanglei cui Qingdao Industrial Energy Storage Research Institute Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101China Shandong Energy Institute Qingdao 266101China Qingdao New Energy Shandong Laboratory Qingdao 266101China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China

Electric vehicles and portable devices have increased their demand for energy storage,resulting in the development of new high energy density batteries,including solid-state lithium-metal batteries,lithium-oxygen(Li-O_(2))batteries and lithium-sulfur(Li-S)batteries,which utilize high-capacity materials and will significantly break through the dilemma faced by the commercially available lithium-ion batteries[1–3].

关键词： lithium utilize batteries

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Interaction between the Microwave Plasma Generation and the Saturated Voltage during Microwave Pulse Assisted Ignition in ICE Lean Combustion

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Journal of Thermal Science 2025年第02期 639-652页

作者： SUN Wei cui Yi SONG Dawei TONG Zongpeng WU Huimin WANG Zhaowen The Key Laboratory for Power Machinery and Engineering of the Ministry of Education Shanghai Jiao Tong University Shanghai Marine Diesel Engine Research Institute School of Energy and Power Engineering Huazhong University of Science and Technology

Microwave-assisted ignition(MAI) is a promising technology to improve the ignition stability in internal combustion engines under lean *** investigate the interplay between the microwave pulses and the electrical characteristics of ignition plasma,the high-time-resolved electrical characteristics of MAI are measured based on the discharge voltage and current profiles with microwave power varying from 0 to 1000 *** effects of microwave pulse on the electrical characteristics in the breakdown and glow discharge phases are discussed *** results show that the microwave-induced-voltage-decline(MIVD) occurs during the glow discharge phase,which originates from the increment of free electrons and the additional microwave ***,this voltage decline is insignificant in the breakdown ***,as the free electron number reaches a critical value,a shining plasma can be observed between the gap of electrodes and the voltage decline is stabilized to a "saturated voltage curve".Ultimately,the effect of microwave plasma on the enhancement of ignition kernel area is *** result indicates that the enhancement effect increases with plasma duration *** enhancements of earlier-generated plasmas are more significant than those of subsequent plasmas due to the distance limit of the plasma propulsive effect.

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Temporal-spatial distribution of YSOs nearby Taurus region

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Science China(Physics,Mechanics & Astronomy) 2025年第04期Mechanics & Astronomy) .卷 257-266页

作者： Jiaming Liu Min Fang Chao Liu Xiaolong Wang Wenyuan cui Licai Deng College of Physics Hebei Advanced Thin Films Laboratory Hebei Normal University Shijiazhuang Key Laboratory of Astronomy and Space Science Hebei Normal University Purple Mountain Observatory Chinese Academy of Sciences Key Laboratory of Space Astronomy and Technology National Astronomical Observatories Chinese Academy of Sciences Key Laboratory of Optical Astronomy National Astronomical Observatories Chinese Academy of Sciences

The Taurus region is one of the most extensively studied star-forming regions （SFRs）.Surveys indicate that the young stars in this region are comprised of young stellar objects （YSOs） that cluster in groups associated with the molecular cloud （Grouped Young Stellar Objects,GYSOs）,and some older ones that are sparsely distributed throughout the region （Distributed Young Stellar Objects,DYSOs）.To bridge the age gap between the GYSOs （5 Myr） and the DYSOs （10-20 Myr）,we conducted a survey to search for new YSOs in this *** on infrared color excesses and Li I absorption lines,we identified 145 new *** these with the previously identified GYSOs and DYSOs,we constructed a sample of 519 YSOs that encompass the entire ***,we calculated the ages of the samples based on their proximity to the local *** age versus distance to the local bubble (DLB) relationship for the DYSOs shows a clear trend:the farther they are from the local bubble,the younger they are,which is consistent with the supernovae-driven formation scenario of the local *** GYSOs also exhibit a mild age versus ***,they are significantly younger and are mostly confined to distances of 120 to 220 *** their distribution in the age versus DLBspace is well separated from the older DYSOs,they may also be products of the local bubble but formed in more recent and localized events.

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High-strength mineralized collagen artificial bone

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Frontiers of Materials Science 2014年第1期8卷 53-62页

作者： zhi-Ye QIU Chun-Sheng TAO Helen cui Chang-ming WANG Fu-Zhai cui School of Materials Science and Engineering Tsinghua University Beijing 100084 China Beijing AIIgens Medical Science & Technology Co. Ltd. Beijing 100176 China

Mineralized collagen （MC） is a biomimetic material that mimics natural bone matrix in terms of both chemical composition and microstructure. The biomimetic MC possesses good biocompatibility and osteogenic activity, and is capable of guiding bone regeneration as being used for bone defect repair. However, mechanical strength of existing MC artificial bone is too low to provide effective support at human load-bearing sites, so it can only be used for the repair at non-load-bearing sites, such as bone defect filling, bone graft augmentation, and so on. In the present study, a high strength MC artificial bone material was developed by using collagen as the template for the biomimetic mineralization of the calcium phosphate, and then followed by a cold compression molding process with a certain pressure. The appearance and density of the dense MC were similar to those of natural cortical bone, and the phase composition was in conformity with that of animal＇s cortical bone demonstrated by XRD. Mechanical properties were tested and results showed that the compressive strength was comparable to human cortical bone, while the compressive modulus was as low as human cancellous bone. Such high strength was able to provide effective mechanical support for bone defect repair at human load-bearing sites, and the low compressive modulus can help avoid stress shielding in the application of bone regeneration. Both in vitro cell experiments and in v/vo implantation assay demonstrated good biocompatibility of the material, and in v/vo stability evaluation indicated that this high-strength MC artificial bone could provide long-term effective mechanical support at human load- bearing sites.

关键词： mineralized collagen (MC) high strength biomimeUc mineralization coldcompression molding

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