检索结果-南通市图书馆

The design and synthesis of Prussian blue analogs as a sustainable cathode for sodium-ion batteries

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

SusMat 2023年第6期3卷 749-780页

作者： Siwei Fan Yijie Liu Yun Gao Yang Liu Yun Qiao Li Li Shu-Lei Chou School of Environmental and Chemical Engineering Shanghai UniversityShanghaiChina 2Institute for Carbon NeutralizationCollege of Chemistry and Materials EngineeringWenzhou UniversityWenzhouZhejiangChina

Sodium-ion batteries(SIBs)present great appeal in various energy storage systems,especifically for stationary grid storage,on account of the abundance of sources and low ***,the commercialization of SIBs is mainly limited by available electrode materials,especially for the *** blue analogs(PBAs),emerge as a promising alternative for their structural feasibility in the application of *** the defects(vacancies and coordinated water)is an effective strategy to achieve superior electrochemical performance during the synthetic ***,we summarize crystal structures,synthetic methods,electrochemical mechanisms,and the influences of synthesis conditions of PBAs in *** comprehensive overview on the current research progresses of PBAs will give guides and directions to solve the existing problems for their application in SIBs.

关键词： design and synthesis electrochemical mechanism Prussian blue analogs sodium-ion batteries sustainable cathode

design,synthesis and Antitumor Activity of Novel link-bridge and B-Ring Modified CA-4Analogues as Potent Antitubulin Agents

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Design,Synthesis and Antitumor Activity of Novel link-bridge...

High mobility organic semiconductors for field-effect transistors

中国化学会全国第十二届有机合成化学学术研讨会

作者： Duan,Yong-Tao Wang,Zhong-Chang State Key Laboratory of Pharmaceutical Biotechnology Nanjing University

Tubulin,the major structural component of microtubules,has become a target for the development of anticancer agents.A series of 12 novel acylhydrazone,chalcone and amide–bridged analogues of combretastatin-A4（CA-4） were designed and *** these synthesized compounds were determined by elemental analysis,1H NMR,HPLC and *** them,compound 7,with acylhydrazone-bridge,bearing a benzyl at the indole-N position,was identified as a potent antiproliferative agent against a panel of human cancer cell lines,with IC50 values ranging from 0.08 to 35.6 μ*** contrast,the cytotoxic effects on three normal human cells were *** flow cytometric analysis showed that compound 7 induced apoptosis and G2/M phase arrest in A549 cells with alterations in the expression of some cell cycle-related proteins（Cyclin B1,Cdc2）.The docking mode showed the binding posture of CA-4 and compound 7 are similar in the colchicine-binding pocket of tubulin,as confirmed by colchicine-tubulin competitive binding assay,tubulin polymerization inhibitory activity,extracellular protein expression determination assay and confocal microscopy *** addition,compound 7 also effectively inhibited the tumor growth in the A549 xenograft model without causing significant loss of body weight,suggesting that compound 7 is a promising new antimitotic agent with clinical potential.

关键词： design and synthesis Tubulin Apoptosis Antitumor Xenograft model

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

Science China Chemistry 2015年第6期58卷 947-968页

作者： Xike Gao Zheng Zhao Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules Shanghai Institute of Organic Chemistry Chinese Academy of Sciences

Organic field-effect transistors(OFETs) are attracting more and more attention due to their potential applications in low-cost, large-area and flexible electronic products. Organic semiconductors(OSCs) are the key components of OFETs and basically determine the device performance. The past five years have witnessed great progress of OSCs. OSCs used for OFETs have made rapid progress, with field-effect mobility much larger than that of amorphous silicon(0.5?1.0 cm2/(V s)) and of up to 10 cm2/(V s) or even higher. In this review, we demonstrate the latest progress of OSCs for OFETs, where more than 50 representative OSCs are highlighted and analyzed to give some valuable insights for this important but challenging field.

关键词： organic semiconductor organic field-effect transistor high mobility organic electronics design and synthesis

Recent advances in crystalline carbon nitride for photocatalysis

在线全文

学校读者我要写书评

暂无评论

Journal of Materials Science & Technology 2021年第32期91卷 224-240页

作者： Jingjun Liu Wei Fu Yulong Liao Jiajie Fan Quanjun Xiang Yangtze Delta Region Institute(Huzhou)&School of Electronic Science and Engineering University of Electronic Science and Technology of ChinaHuzhou 313001China School of Materials Science and Engineering Zhengzhou UniversityZhengzhou 450002China

Semiconductor photocatalytic technology has become one of the most important means to solve the current energy shortage and environmental pollution. Compared with the traditional photocatalysts, graphite carbon nitride has a wider range of light-harvesting and more stable physical and chemical properties. However, traditional thermally induced polymerization of nitrogen-containing precursors produces the melon-based carbon nitride solids with an amorphous or semi-crystalline structure, resulting in low conductivity and moderate photocatalytic activity. Recently, crystalline carbon nitride has attracted more and more attention in improving photocatalytic performance. Some significant progress regarding crystalline carbon nitride for the preparation of solar-fuel and environmental purification has also been *** review describes the recent advances in the design and synthesis of crystalline carbon nitride photocatalysts. A brief description of the unique physical and chemical properties of crystalline carbon nitride was given. Later, the synthetic and modification strategies are being introduced. Then, the photocatalytic application of crystalline carbon nitride was discussed, mainly including photocatalytic H2 production,photocatalytic CO2 reduction, and photocatalytic degradation of pollutants. Finally, the challenges and future directions of crystalline carbon nitride photocatalysts are briefly introduced.

关键词： Crystalline carbon nitride design and synthesis Photocatalytic H_(2)production CO_(2)reduction Photocatalytic degradation

1,2,5,6-Naphthalene Diimides:A Class of Promising Building Blocks for Organic Semiconductors

在线全文

学校读者我要写书评

暂无评论

Chinese Journal of Chemistry 2023年第10期41卷 1226-1234页

作者： Zheng Zhao Congwu Ge Xueqian Zhao Jintao Huang Xike Gao Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules Shanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of SciencesShanghai 200032China

Organic semiconductors have drawn extensive atten-tion due to their optoelectronic properties and wide applications in organic *** comparison with the popular 1,4,5,8-naphthalene diimides(1,4,5,8-NDIs),the angular-shaped 1,2,5,6-NDIs have exhibited tunable photophysical properties,self-as-sembly behaviors and charge transporting *** to these unique features,1,2,5,6-NDIs show great potential for construction of high performance n-func-tional *** this review,we highlight the recent advances and future prospects of 1,2,5,6-NDI-basedπ-systems in the field of organic optoelectronics,in-cluding molecular design,synthesis,structure-prop-erty relationships as well as the applications in high performance organic field-effect transistors,organic photovoltaics,perovskite solar cells,and so on.

关键词： Organic semiconductors Electron acceptors design and synthesis 1,2,5,6-NDI Structural isomerism Polymer acceptors Organic electronics

Rationally designing electrolyte additives for highly improving cyclability of LiNi_(0.5)Mn_(1.5)O_(4)/Graphite cells

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Energy Chemistry 2024年第4期91卷 266-275页

作者： Zhiyong Xia Kuan Zhou Xiaoyan Lin Zhangyating Xie Qiurong Chen Xiaoqing Li Jie Cai Suli Li Hai Wang Mengqing Xu Weishan Li School of Chemistry South China Normal UniversityGuangzhou 510006GuangdongChina China Zhuhai CosMX Battery Co. Ltd.Zhuhai 519180GuangdongChina National and Local Joint Engineering Research Center of MPTES in High Energy and Safety LIBs Engineering Research Center of MTEES(Ministry of Education)and Key Lab.of ETESPG(GHEI)South China Normal UniversityGuangzhou 510006GuangzhouChina

High voltage is necessary for high energy lithium-ion batteries but difficult to achieve because of the highly deteriorated cyclability of the batteries.A novel strategy is developed to extend cyclability of a high voltage lithium-ion battery,LiNi_(0.5)Mn_(1.5)O_(4)/Graphite(LNMO/Graphite)cell,which emphasizes a rational design of an electrolyte additive that can effectively construct protective interphases on anode and cathode and highly eliminate the effect of hydrogen fluoride(HF).5-Trifluoromethylpyridine-trime thyl lithium borate(LTFMP-TMB),is synthesized,featuring with *** anion TFMPTMB-tends to be enriched on cathode and can be preferentially oxidized yielding TMB and radical TFMP-.Both TMB and radical TFMP can combine HF and thus eliminate the detrimental effect of HF on cathode,while the TMB dragged on cathode thus takes a preferential oxidation and constructs a protective cathode *** the other hand,LTFMP-TMB is preferentially reduced on anode and constructs a protective anode ***,a small amount of LTFMP-TMB(0.2%)in 1.0 M LiPF6in EC/DEC/EMC(3/2/5,wt%)results in a highly improved cyclability of LNMO/Graphite cell,with the capacity retention enhanced from 52%to 80%after 150 cycles at 0.5 C between 3.5 and 4.8 *** as-developed strategy provides a model of designing electrolyte additives for improving cyclability of high voltage batteries.

关键词： Electrolyte additive design and synthesis Cyclability High voltage batteries Cathode and anode interphases

Controlling structural topology of metal-organic frameworks with a desymmetric 4-connected ligand through the design of metal-containing nodes

在线全文

学校读者我要写书评

暂无评论

Chinese Chemical Letters 2016年第4期27卷 502-506页

作者： Bin Wang Hui Yang Ya-Bo Xie Yi-Bo Dou Min-Jian Zhao Jian-Rong Li Beijing Key Laboratory for Green Catalysis and Separation Department of Chemistry and Chemical Engineering College of Environmental and Energy Engineering Beijing University of Technology

Two new metal-organic frameworks（MOFs）,[Cu2（H_2O）_2（BCPIA）]（BUT-20）and（Me_2NH_2）[In（BCPIA）]（BUT-21）were designed and synthesized through the solvothermal reaction between a newly created desymmetric 4-connected ligand,5-（2,6-bis（4-carboxyphenyl）pyridin-4-yl）isophthalic acid（H_4BCPIA）and Cu（NO_3）2 2.5H_2O or In（NO_3）_3·5H_2O,respectively,and characterized by single-crystal and powder Xray diffraction,thermogravimetric analysis,infrared spectroscopy,and elemental *** two MOFs have three-dimensional structures,in which both the BCPIA 4 ligand and metal-containing entities,Cu_2（COO）_4（H_2O）_2 and In（COO）_4 act as 4-connected ***,different linkage configurations of the two metal-containing nodes,quadrilateral Cu_2_TD_2（COO）_4（H_2O）_2and tetrahedral In（COO）_4,lead to distinct structural networks of BUT-20 and 21,with Nbo and Unc topologies,respectively.

关键词： Metal-organic frameworks(MOFs) design and synthesis Crystal structure Tuned topological network

Recent Advances in C_(2) Gases Separation and Purification by Metal-Organic Frameworks

在线全文

学校读者我要写书评

暂无评论

Chinese Journal of Structural Chemistry 2022年第11期41卷 31-44页

作者： Zhengyi Di Xinjing Zheng Yu Qi Heng Yuan Cheng-Peng Li College of Chemistry Tianjin Key Laboratory of Structure and Performance for Functional MoleculesTianjin Normal UniversityTianjin 300387China State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002.China

Separation of C_(2) gases(C_(2)H_(2)/C_(2)H_(4),C_(2)H_(6)/C_(2)H_(4) and C_(2)H_(2)/CO_(2))mixtures is one of the most important and energy-demanding processes in chemical *** separation methods(fine distillation separation and selective catalytic hydrogenation separation)have the shortages of high energy consumption and inefficient use of resources,affecting the achievement of peak carbon dioxide emissions and carbon neutrality *** based on adsorption is considered as one of the best ways to achieve low-energy ***,it is of great importance to synthesize materials that enable the effective separation and purification of C_(2) gases under mild *** an emerging class of porous materials,metal-organic frameworks(MOFs)show great promise in the field of gas separation and purification due to their ultra-high specific surface area,easily modifiable pore surfaces,structural designability and ***,we summarize recent research advances by use of MOFs sorbents for the separation and purification of C_(2) gases,including C_(2)H_(2)/C_(2)H_(4),C_(2)H_(6)/C_(2)H_(4) and C_(2)H_(2)/CO_(2).Relationship between structures and separation mechanism is also ***,challenges and possible research directions related to the further exploration are also discussed.

关键词： MOFs adsorption and separation C_(2)gas design and synthesis pore size

Development of a Novel, Oxidatively Activated, Safety-Catch Linker for Solid-Phase Asymmetric Organic synthesis (SPOS)

在线全文

学校读者我要写书评

暂无评论

有机化学 2004年第z1期24卷 334-335页

作者： LIN,Jun Hjalmar Skarphedinsson Stepehen G.Davies Department of Applied Chemistry Yunnan University Kunming 650091 The Dyson Perrins Laboratory University of Oxford South Parks Road Oxford OX1 3QY UK The Dyson Perrins Laboratory University of Oxford South Parks Road Oxford OX1 3QY UK

　　Solid-phase asymmetric organic synthesis has become a very important synthetic strategy within the organic chemistry community.[1] Critical to success in SPOS is a linking strategy which allows both the substrate to be loaded and the product released efficiently from the polymeric support. A safety catch linker[2] (SCL) is in principle a linking molecule orthogonal to the reaction conditions of the library synthesis, which can be easily activated by a simple chemical transformation to allow efficient cleavage of the products from the polymer under mild conditions. In order to introduce the SuperQuat chiral auxiliaries[3] for SOPS, we report herein design and synthesis of a novel safety catch linker for asymmetric conjugate addition reactions.……

关键词： safety catch chemical transformation design and synthesis addition reactions organic synthesis organic chemistry