检索结果-内蒙古大学图书馆

A highly crystalline small molecule donor based on bithiazole units enabling efficient ternary all-small-molecule organic solar cells

引用

Journal of Energy Chemistry 2025年第5期104卷 789-794页

作者： Wentao Zou Yixuan Xu Ke Sun Wenqing Zhang Huajun Xu Yuanyuan Kan Tao Liu Bingsuo Zou Yanna Sun Xiaotao Hao Yingguo Yang Ke Gao State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures Guangxi UniversityNanning 530004GuangxiChina Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion Institute of Frontier ChemistrySchool of Chemistry and Chemical EngineeringShandong UniversityQingdao 266237ShandongChina Shenzhen Research Institute of Shandong University Shenzhen 518057GuangdongChina Department of Biochemistry and Cell Biology YouJiang Medical University for NationalitiesBaise 533000GuangxiChina School of Physics State Key Laboratory of Crystal MaterialsShandong UniversityJinan 250100ShandongChina School of Microelectronics Fudan UniversityShanghai 200433China

All-small-molecule organic solar cells(ASM-OSCs)have garnered widespread attention in recent ***,their power conversion efficiencies(PCEs)still fall behind those of polymer donor-based devices,primarily due to the challenge of realizing optimized morphology in ***,a highly crystalline small molecule donor(SMD)named ZW2 is synthesized and incorporated into the Zn PTSEH:6TIC *** addition of ZW2 synergistically regulates the morphology,molecular crystallinity,and molecular packing of blends,facilitating efficient charge transport and suppressing charge ***,an impressive PCE of 16.30%was delivered in the ternary *** work highlights the significance of employing a highly crystalline SMD as the third component in tuning the crystallinity and morphology of blends,providing feasibility for achieving high-efficiency ASM-OSCs.

关键词： All-small-molecule organic solar cell Crystallinity Morphology Small molecule donor Ternary organic solar cells

来源：评论

学校读者我要写书评

暂无评论

Core-shell gold-copper nanoparticles:Evolution of copper shells on gold cores at different gold/copper precursor ratios

引用

Chinese Journal of Structural Chemistry 2023年第11期42卷 32-39页

作者： Shaonan Tian Yu Zhang Qing Zeng Junyu Zhong Hui Liu Lin Xu Jun Yang State Key Laboratory of Multiphase Complex Systems Institute of Process EngineeringChinese Academy of SciencesBeijing100190China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing100049China State Key Laboratory of Bio-fibers and Eco-textiles Qingdao UniversityQingdao266071China School of Chemistry and Materials Science Jiangsu Key Laboratory of New Power BatteriesJiangsu Collaborative Innovation Centre of Biomedical Functional MaterialsNanjing Normal UniversityNanjing210023China

Core-shell nanostructures usually exhibit tunable catalytic properties in comparison with their single core or shell counterpart due to electronic interaction and lattice strain between the core and shell ***,we report the intriguing evolution of copper(Cu)shells on the gold(Au)cores at different Au/Cu precursor ratios during the synthesis of core-shell Au-Cu nanoparticles at an organic medium via seed-mediated growth *** brief,at relatively low Cu ratios,quasi-spherical Au-Cu nanoparticles with conventional core-shell structures are the majority products,in which the Cu shell thickness increases with the increase of Cu precursor *** dif-ference is that at high Cu ratios,the Cu shells no longer increase their thickness,but evolve into a dendritic ***,the core-shell Au-Cu nanoparticles with dendritic Cu shells could be transformed into interesting Au-Cu cage-bell structures after a ripening process at elevated ***,through galvanic replacement reaction with Pt precursors,the thin Cu shells could be converted into CuPt alloy shells on the Au cores,which exhibit enhanced activity towards methanol oxidation reaction with satisfactory durability,in comparison with that of commercial Pt/C catalysts.

关键词： Core-shell nanostructure Seed-mediated growth Electronic interaction Lattice strain Methanol oxidation reaction

来源：评论

学校读者我要写书评

暂无评论

仿生酶固定化纳米反应器通过级联催化反应实现胆固醇的精确检测

引用

Science China Materials 2024年第8期67卷 2540-2549页

作者：熊京商灵灵赵德偲王丹 State Key Laboratory of Biochemical Engineering Key Laboratory of Biopharmaceutical Preparation and DeliveryInstitute of Process EngineeringChinese Academy of Sciences1 North 2nd StreetZhongguancunBeijing 100190China University of Chinese Academy of Sciences 19A Yuquan RoadBeijing 100049China

基于酶的生化检测方法具有准确性高、检测速度快等优势,但生物酶的不稳定性限制了这一方法的应用.因此,开发一种活性高、稳定性强、反应效率高的酶包封体系是提高胆固醇生化检测的关键.为此,本研究发展了由二棕榈酸磷脂酰胆碱包覆中空... 详细信息

基于酶的生化检测方法具有准确性高、检测速度快等优势,但生物酶的不稳定性限制了这一方法的应用.因此,开发一种活性高、稳定性强、反应效率高的酶包封体系是提高胆固醇生化检测的关键.为此,本研究发展了由二棕榈酸磷脂酰胆碱包覆中空多壳层结构的仿生人造细胞,HoMS的区室化结构和磷脂膜的选择透过性实现了酶的稳定包封和信号的高效传输.本研究通过信号的级联放大实现了胆固醇的快速准确检测.即利用负载胆固醇氧化酶的HoMS@DPPC引发胆固醇氧化反应,产生的中间产物H;2;O;2;作为信号分子,在负载辣根过氧化物酶的HoMS@DPPC催化作用下,促进荧光红染料生成试卤灵,再进行比色检测胆固醇的含量.由级联催化介导的胆固醇信号放大使得该系统可以应用于胆固醇检测,并且该方法表现出高的选择性和准确性,检测范围为0.05~0.3mM,检测限可达4.9μM.该方法可用于动物血清中胆固醇的检测,回收率为90.8%~104.9%,检测值与商业检测方法的结果高度吻合.此外,该系统可与智能设备集成,构建智能比色平台,实现图像分析与胆固醇浓度检测的一体化,为准确、快速的生化检测开辟了新途径.

关键词：图像分析设备集成生化检测胆固醇氧化酶选择透过性信号放大动物血清酶固定化

来源：评论

学校读者我要写书评

暂无评论

Chlorine-induced mixed valence of CuO_(x)/C to promote the electroreduction of carbon dioxide to ethylene

引用

Nano Research 2023年第7期16卷 8827-8835页

作者： Xin Wang Ming Miao Bowen Tang Haotian Duan Fulong Zhu Huigang Zhang Xian Zhang Wen-jin Yin Yongzhu Fu College of Chemistry Zhengzhou UniversityZhengzhou 450001China School of Physics and Electronic Science Hunan University of Science and TechnologyXiangtan 411201China State Key Laboratory of Multiphase Complex Systems Institute of Process EngineeringChinese Academy of SciencesBeijing 100190China Qian Xuesen Laboratory of Space Technology China Academy of Space TechnologyBeijing 100094China

Electrochemical conversion of CO_(2)(CO_(2)RR)into high-value fuel is identified as one of the promising approaches to achieve carbon *** synthesis of high-efficiency CO_(2)reduction electrocatalysts with high C_(2):C_(1) selectivity remains a field of intense *** studies have shown that the presence of Cu(I)is beneficial for the reduction of CO_(2)into C_(2)***,the stable presence of Cu(I)remains controversial,especially in the negative potential *** we report a simple and easily scalable catalyst precursor Cu_(2)(OH)_(3)Cl/C,which automatically forms in-situ chlorine-doped Cu/Cu_(2)O heterointerface during *** catalyst not only exhibits a Faradaic efficiency of 33.03%but also provides a long-term stability of Cu^(+),gaining a stable electrolysis of 11 h,with an ethylene/methane ratio over *** experimental results and mechanistic studies confirm that the presence of Cl^(-)inhibits the reduction of Cu^(+),inducing the formation of Cu^(0)/Cu^(+),and reduces the reaction energy of the intermediate ^(*)CO dimerization,thereby facilitating the formation of C_(2)*** work provides a feasible way to synthesize copper ions with long-term and stable positive charge in CO_(2)RR and expands a new way to synthesize ethylene industrial products in the future.

关键词： basic copper chloride chlorine dopant mixed-phase catalysts CO_(2)reduction reaction ethylene

来源：评论

学校读者我要写书评

暂无评论

Magnetically enhancing diffusion for dendrite-free and long-term stable lithium metal anodes

引用

Green Energy & Environment 2022年第5期7卷 965-974页

作者： Yongxiu Chen Xiangyu Dou Kai Wang Yongsheng Han State Key Laboratory of Multiphase Complex Systems Institute of Process EngineeringChinese Academy of SciencesBeijing100190China School of Chemical Engineering University of Chinese Academy of SciencesBeijing100190China School of Metallurgy and Materials University of BirminghamBirminghamBT152TTUK

Lithium metal batteries are promising devices for the next-generation energy storage due to their ultrahigh theoretical specific capacity and extremely low electrochemical *** inherent problem is the formation of lithium dendrites in cycling,which has induced safety concerns for almost half a *** understanding the formation mechanism of branching structures,we propose to suppress lithium dendrites by adopting external magnetic fields to induce diffusion enhancement at the interface of the anode,thus attenuating concentration gradient there and reducing the driving force for the formation of dendritic *** diffusion coefficient of lithium ions is dependent on the strength of magnetic fields,confirming the effectiveness of magnetic fields in improving Li^(+) *** employing the magnetic field of0.8 T,the concentration gradients at the growth front becomes nearly half of the control case,which leads to a dendrite-free lithium deposition up to the high current density of 10 mA cm^(-2).Both the Cu|LiCoO_(2) batteries and the symmetric Li | Li coin cells show a long-term stable cycling at high current densities under the assistance of magnetic *** diffusion enhanced technique promises a facile and general approach to suppress dendritic structures in secondary batteries,which may help to develop quick charging strategies.

关键词： lithium diffusion cycling

来源：评论

学校读者我要写书评

暂无评论

Molecular dynamics simulation study onπ-πstacking of Gemini surfactants in oil/water systems

引用

Chinese Journal of Chemical engineering 2022年第10期50卷 335-346页

作者： Jule Ma Peiwen Xiao Pingmei Wang Xue Han Jianhui Luo Ruifang Shi Xuan Wang Xianyu Song Shuangliang Zhao State Key Laboratory of Chemical Engineering and School of Chemical Engineering East China University of Science and TechnologyShanghai 200237China Research Institute of Petroleum Exploration&Development(RIPED) PetroChinaBeijing 100083China Key Laboratory of Nano Chemistry(KLNC) CNPCBeijing 100083China Key Laboratory of Water Environment Evolution and Pollution Control in Three Gorges Reservoir School of Environmental and Chemical EngineeringChongqing Three Gorges UniversityChongqing 404100China Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology and School of Chemistry and Chemical Engineering Guangxi UniversityNanning 530004China

Whereas theπ-πstacking interactions at oil/water interfaces can affect interfacial structures hence the interfacial properties,the underlying microscopic mechanism remains largely *** reported an all-atom molecular dynamics(MD)simulation study to demonstrate how the Gemini surfactants with pyrenyl groups affect the interracial properties,structural conformations,and the motion of molecules in the water/n-octane/surfactant ternary *** is found that the pyrenyl groups tend to be vertical to the interface owing to theπ-πstacking ***,a synergistic effect between theπ-πinteraction and steric hindrance is found,which jointly affects the coalescence of liquid ***,the existence of aromatic groups and a moderate number of surfactants helps to form *** work provides a molecular understanding of Gemini surfactants with aromatic groups in microemulsion preparation and applications.

关键词： Surfactants Interface Interfacial tension p-p stacking Microemulsion Molecular simulation

来源：评论

学校读者我要写书评

暂无评论

Resistance to salt stresses by aerobic granular sludge:sludge property and microbial community

引用

Frontiers of Environmental Science & engineering 2024年第8期18卷 107-116页

作者： Xiao Wu Hui Li Meili Wang Tianying Zhang Jiawei Li Yongdi Liu Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai-Tibet Plateau of the National Ethnic Affairs Commission School of Chemistry and EnvironmentSouthwest Minzu UniversityChengdu 610041China Institute for Environmental Pollution and Health School of Environmental and Chemical EngineeringShanghai UniversityShanghai 200444China School of Life Sciences Southwest UniversityChongqing 400715China State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process School of Resources and Environmental EngineeringEast China University of Science and TechnologyShanghai 200237China Institute of Qinghai-Tibetan Plateau Southwest Minzu UniversityChengdu 610041China

Saline wastewater is regarded as a challenge for wastewater treatment plants because high-salinity conditions negatively affect on traditional biological *** granular sludge(AGS)has gained attention as a promising technology for saline wastewater treatment because of its compact structure and the ability to withstand toxic ***,this study investigated the saltresistance performance,sludge properties and microbial community of AGS under low-salinity and high-salinity conditions,with the saline concentrations ranging from 0 to 50 g/*** results showed that AGS could withstand long-term saline stresses,and the maximum salinity reached 50 g/L within 113 *** salinities of 10,30,and 50 g/L,the chemical oxygen demand(COD)removal efficiencies were 90.3%,88.0%and 78.0%,*** also its maintained strength and aggregation at salinities of 10 and 30 g/*** of extracellular polymeric substances(EPS)by non-halophilic bacteria that enhanced sludge *** compact structure that ensured the microorganisms bioactivity helped to remove organic matters under salinities of 10 and 30 g/*** a salinity of 50 g/L,moderately halophilic bacteria,including Salinicola,Thioclava,Idiomarina and Albirhodobacter,prevailed in the *** dominant microbial communities shifted to moderately halophilic bacteria,which could maintain aerobic granular stabilization and remove organic matters under 50 g/L *** results in this study provide a further explanation for the long-term operation of AGS for treating saline wastewater at different *** is hoped that this work could bring some clues for the mystery of salt-resistance mechanisms.

关键词： Aerobic granular sludge Long-term saline stresses Performance Sludge property Microbial community

来源：评论

学校读者我要写书评

暂无评论

Nenofiltration for separation and purification of saccharides from biomass

引用

Frontiers of Chemical Science and engineering 2021年第4期15卷 837-853页

作者： Xianhui Li Sheng Tan Jianquan Luo Manuel Pinelo Process and Systems Engineering Center(PROSYS) Department of Chemical and Biochemical EngineeringTechnical University of DenmarkDK-2800 LyngbyDenmark State Key Laboratory of Biochemical Engineering Institute of Process EngineeringUniversity of Chinese Academy of SciencesChinese Academy of SciencesBeijing 100190China

Saccharide production is critical to the development of biotechnology in the field of food and *** extraction of saccharide from biomass-based hydrolysate mixtures has become a trend due to low cost and abundant biomass *** to conventional methods of fractionation and recovery of saccharides,nanofiltration(NF)has received considerable attention in recent decades because of its high selectivity and low energy consumption and environmental *** this review the advantages and challenges of NF based technology in the separation of saccharides are critically *** membrane processes,i.e.,combining NF with ultrafiltration,can complement each other to provide an efficient approach for removal of unwanted solutes to obtain higher purity ***,use of NF membrane separation technology is limited due to irreversible membrane fouling that results in high capital and operating *** development of NF membrane technology should therefore focus on improving material stability,antifouling ability and saccharide targeting selectivity,as well as on engineering aspects such as process optimisation and membrane module design.

关键词： saccharides nanofiltration membrane hybrid membrane process biomas

来源：评论

学校读者我要写书评

暂无评论

Conversion of phenol to cyclohexane in the aqueous phase over Ni/zeolite bi-functional catalysts

引用

Frontiers of Chemical Science and engineering 2021年第2期15卷 288-298页

作者： Jimei Zhang Fuping Tian Junwen Chen Yanchun Shi Hongbin Cao Pengge Ning Shanshan Sun Yongbing Xie School of Chemical Engineering and Technology Tianjin UniversityTianjin 300072China CAS Key Laboratory of Green Process and Engineering Institute of Process EngineeringChinese Academy of SciencesBeijing 100190China College of Chemistry Dalian University of TechnologyDalian 116024China State Key Laboratory of Catalytic Materials and Reaction Engineering Research Institute of Petroleum ProcessingSINOPECBeijing 100083China

A series of Ni/HZSM-5 and Ni/HIM-5 bi-functional catalysts were synthesized and applied to the aqueous-phase hydrodeoxygenation(HDO)of *** Ni dispersibility and particle sizes were shown to be directly related to the porosity and crystal sizes of the parent zeolites,which further influenced the catalytic *** large pores and small crystal sizes of the parent zeolites were beneficial for dispersing Ni and forming small Ni particles,and the corresponding Ni/zeolite catalyst exhibited a higher phenol conversion and selectivity towards ***,the Ni/HIM-5 bi-functional catalyst exhibited a high activity(98.3%)and high selectivity for hydrocarbons(98.8%)when heated at 220°C for 1 h and is thus a new potential catalyst for the HDO of phenolics to form hydrocarbons in the aqueous phase.

关键词： aqueous-phase hydrodeoxygenation phenol hydrocarbons Ni/HIM-5 bi-functional catalyst

来源：评论

学校读者我要写书评

暂无评论

Heterogeneous multi-player imitation learning

引用

Control Theory and Technology 2023年第3期21卷 281-291页

作者： Bosen Lian Wenqian Xue Frank L.Lewis Department of Electrical and Computer Engineering Auburn UniversityAuburnAL 36849USA State Key Laboratory of Synthetical Automation for Process Industries and International Joint Research Laboratory of Integrated Automation Northeastern UniversityShenyang 110819LiaoningChina UTA Research Institute University of Texas at Arlington(UTA)Fort WorthTX 76118USA

This paper studies imitation learning in nonlinear multi-player game systems with heterogeneous control input *** propose a model-free data-driven inverse reinforcement learning(RL)algorithm for a leaner to find the cost functions of a N-player Nash expert system given the expert's states and control *** allows us to address the imitation learning problem without prior knowledge of the expert's system *** achieve this,we provide a basic model-based algorithm that is built upon RL and inverse optimal *** serves as the foundation for our final model-free inverse RL algorithm which is implemented via neural network-based value function *** analysis and simulation examples verify the methods.

关键词： Imitation learning Inverse reinforcement learning Heterogeneous multi-player games Data-driven model-free control

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：