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Room temperature solution-phase synthesis of flower-like nanostructures of [Ni_3(BTC)_2·12H_2O] and their conversion to porous NiO

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Chinese Chemical Letters 2013年第8期24卷 663-667页

作者： Li-Na Jin Qing Liu wei-yin sun Coordination Chemistry Institute State Key Laboratory of Coordination ChemistrySchool of Chemistry and Chemical EngineeringNanjing National Laboratory of MicrostructuresNanjing University

Hierarchical flower-like architectures of[Ni_3（BTC）_2·12H_2O]（BTC^3=benzene-1,3,5-tricarboxylate） were successfully prepared by a simple solution-phase method under mild conditions without any template or ***-pure porous NiO nanocrystals were obtained by annealing the Ni-BTC complex without significant alteration in *** product was characterized by X-ray diffraction techniques,field-emission scanning electron microscopy（FESEM）.transmission electron microscopy（TEM） and high-resolution TEM（HRTEM）.The catalytic effect of the NiO product was investigated on the thermal decomposition of ammonium perchlorate（AP） and it was found that the annealed NiO product has higher catalytic activity than the commercial NiO.

关键词： Nickel oxide Nanostructures Metal-organic frameworks Mesoporous materials

Metal complex with terpyrindine derivative ligand as highly selective colorimetric sensor for iron(Ⅲ)

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Chinese Chemical Letters 2013年第1期24卷 20-22页

作者： Peng Wang Taka-aki Okamura Hong-Ping Zhou wei-yin sun Yu-Peng Tian Coordination Chemistry Institute State Key Laboratory of Coordination ChemistrySchool of Chemistry and Chemical EngineeringNanjing National Laboratory of MicrostructuresNanjing University Department of Macromolecular Science Graduate School of ScienceOsaka University Department of Chemistry Anhui Province Key Laboratory of Functional Inorganic Materials ChemistryAnhui University

A new metal complex [MnL2]（NO3）***3CN （1） was synthesized by reaction of 4＇-4-（],2,4-triazol-]-yl）- phenyl-2,2＇：6＇,2＂-terpyridine （L） with manganese nitrate. The structure of the complex was determined by X-ray crystallography. The results of UV-vis studies showed that the complex exhibits colorimetric sensing ability for Fe3~, which can be observed by naked eye.

关键词： Terpyridine derivative ligandMn(ll) complexCrystal structureColorimetric sensor

Shape-controlled synthesis and photocatalytic activity of In_2O_3 nanostructures derived from coordination polymer precursors

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Chinese Chemical Letters 2016年第4期27卷 492-496页

作者： Ji-Min Yang Zhao-Peng Qi Yan-Shang Kang Qing Liu wei-yin sun Coordination Chemistry Institute State Key Laboratory of Coordination Chemistry School of Chemistry and Chemical Engineering Nanjing National Laboratory of Microstructures Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing 210023 China School of Chemistry & Chemical Engineering Linyi University. Linyi 276005 China

In（BTC）（phen）（H_2O）nanocrystals with controllable morphology and size were successfully obtained by solvothermal *** straw-sheaf-like architectures,nanorods and elongated hexagons have been synthesized by varying the volume ratio of DMF：H_2O：C_2H_***-pure In_2O_3nanocrystals were obtained by the calcination of the precursors without significant alteration of the *** products were characterized by PXRD,SEM,TEM,TGA,IR and gas adsorption *** photocatalytic effect was investigated for the In_2O_3 nanocrystals with different morphology on the degradation of rhodamine B（Rh B）and it was found that the nanorods exhibited the best photocatalytic activity,which shows the degradation efficiency of 94%for 8 *** results showed that the photocatalytic activity increased with the increase of BET surface area and pore volume.

关键词： In(BTC)(phen)(H2O) Morphology In2O3 Photocatalysis Rhodamine B

Turn-on fluorescence detection of specific inorganic anions by Zr(Ⅳ)-MOF with amino-functional group

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Tungsten 2023年第2期5卷 217-224页

作者： Jing Dong Shi-Qing Wang Xiao-Yu Zhang Zi-Qing Huang Xiu-Du Zhang wei-yin sun Coordination Chemistry Institute State Key Laboratory of Coordination ChemistrySchool of Chemistry and Chemical EngineeringNanjing National Laboratory of MicrostructuresCollaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210023China Scientific Research Institute Nanjing Tech UniversityNanjing 211816China College of Chemistry and Materials Science Key Laboratory of Functional Molecular Solids Ministry of EducationAnhui Laboratory of Molecule-Based MaterialsAnhui Key Laboratory of Functional Molecular SolidsAnhui Normal UniversityWuhu 241002China

Inorganic anions such as phosphates and carbonates are essential in the natural system and it is important for the detec-tion of such *** this work,the fluorescence sensing capacity of Zr(IV)framework with an amino-functional group,namely UiO-66-NH_(2),towards specific inorganic anions was investigated in aqueous *** results revealed that the fluorescence emission intensity of UiO-66-NH2 could be strongly enhanced by phosphate and carbonate anions including HPO_(4)^(2-),H_(2)PO_(4)^(-),PO_(4)^(3-),P_(2)O_(7)^(4-),HCO_(3)^(-)and CO_(3)^(2-),implying its sensing capacity towards phosphate and carbonate ***,fluorescence titration experiments exhibit that the emission intensity enhancement ratio depends linearly on the concentration of anions,suggesting the possibility of quantitative detection of these *** studies suggest that the sensing of UiO-66-NH,towards HPO_(4)^(2-)/PO_(4)^(3-)/P_(2)O_(4)^(-)/HCO_(3)^(-)/CO_(2)-could be ascribed to the collapse of the framework,while that for H_(2)PO_(4)-could be attributed to the adsorption of H,PO4-by UiO-66-NH2 with hydrogen bonding interactions between H,PO4-and the amino group of UiO-66-NH_(2) supported by the different fluorescence response of UiO-66 and UiO-66-NH,towards the anions.

关键词： Zr(IV)framework UiO-66-NH_(2) Anions Sensing Turn-on fluorescence

Selective annulation of benzamides with internal alkynes catalyzed by an electron-deficient rhodium catalyst

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Chinese Chemical Letters 2021年第5期32卷 1717-1720页

作者： Ping Zhang Wenju Chang Hongyun Jiao Yanshang Kang Wenxuan Zhao Peipei Cui Yong Liang wei-yin sun Yi Lu Coordination Chemistry Institute State Key Laboratory of Coordination ChemistrySchool of Chemistry and Chemical EngineeringNanjing National Laboratory of MicrostructuresCollaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210023China State Key Laboratory of Coordination Chemistry Jiangsu Key Laboratory of Advanced Organic MaterialsSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing 210023China

An electron-deficient[CpERhCl2]2 catalyzed annulation of N-pentafluorophenylbenzamides with internal alkynes was successfully established under mild reaction conditions,with the assistance of Lewis acid silver ***,electron-deficient benzamide substrates were smoothly transformed into the desired products in this catalytic *** catalytic system showed a broad tolerance for different substituents on the aromatic rings or aryl,alkyl-substituted alkynes.

关键词： Electron-deficient rhodium C—H activation Annulation Benzamide Alkyne

Construction of N-doped copper metal–organic frameworks for promoting photocatalytic carbon dioxide reduction to ethylene

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Science China Chemistry 2024年

作者： Fan Guo Zong-Zheng He Peng Wang Xiao-Yu Zhang Hongjian Yu Qin-Chao Wang wei-yin sun School of Chemistry and Chemical Engineering Yangzhou University Coordination Chemistry Institute State Key Laboratory of Coordination Chemistry School of Chemistry and Chemical Engineering Nanjing National Laboratory of Microstructures Collaborative Innovation Center of Advanced Microstructures Nanjing University

Engineering nonmetallic atom-doped metal-organic framework （MOF） catalyst to promote C-C coupling and realize conversion of CO2into C2 multi-carbon hydrocarbon products is still ***,with 2-methylimidazole as a dopant of N element,an N-doped NH2-CuBDC catalyst was obtained via a facile and simple stirring *** illumination,compared with catalytic CO2reduction to C1 product of CO by original MOF,N-doped NH2-CuBDC can motivate generation of C2H4,which is difficult to achieve in photocatalytic system by MOF-based *** transfer rates of photo-generated charges have been expedited due to the high electron density around Cu catalytic sites after *** importantly,C–C coupling intermediate CO–CHO*was identified by in situ Fourier transform infrared spectroscopy during the catalytic CO2reduction reaction process,which further indicates the presence of Cu–N sites in the NH2-CuBDC can facilitate the formation of *** work uncovers a new paradigm to design photocatalysts for enhancing the reduction of CO2to C2 products.

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Coordination Polymer Micro-/Nano-structures with Controlled Morphology and Their Properties

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Coordination Polymer Micro-/Nano-structures with Controlled ...

第七届全国物理无机化学学术会议

作者： wei-yin sun Ji-Min Yang Zhao-Peng Qi State Key Laboratory of Coordination Chemistry School of Chemistry and Chemical Engineering Nanjing National Laboratory of Microstructures Nanjing University

＜正＞The fabrication of coordination polymers（CPs）with varied micro-/nano-structures have attracted remarkable interests in recent years due to their definite framework structures,topologies,interesting properties and possible applications[1,2].Particularly,the use of CPs with specific morphology as precursors for the preparation of nano-/micro-scaled metal oxides with interesting properties has received

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环保型降温微表处制备及其功效

中国公路学报 2017年第7期30卷 9-17页

作者：王朝辉殷卫永孙晓龙王新岐冯炜长安大学公路学院陕西西安710064 天津市市政工程设计研究院天津300051

为实现路面预防性养护材料的降温及净化尾气等环境功效,以技术成熟的微表处为载体,通过掺加功能性材料制备了环保型降温微表处,采用自制的室内、外降温测试装置和净化尾气测试装置,全面评价了不同类型环保型降温微表处降温和净化尾气功... 详细信息

为实现路面预防性养护材料的降温及净化尾气等环境功效,以技术成熟的微表处为载体,通过掺加功能性材料制备了环保型降温微表处,采用自制的室内、外降温测试装置和净化尾气测试装置,全面评价了不同类型环保型降温微表处降温和净化尾气功效,系统研究了环保型降温微表处路用性能,并揭示了其微观结构及功效作用机理。结果表明:复配型(WHT+WHTA)微表处降温和净化尾气功效最优,其次为WHTA微表处和WHT微表处;环保型降温微表处降温效果随路面温度的升高逐渐增强,室外降温幅度可达5.9℃,室内降温幅度可达6.5℃;环保型降温微表处对COx,NOx及SO2气体污染物的净化效果可达43%,对PM2.5和PM10颗粒污染物的净化效果可达59%;温度变化对单一类型环保型降温微表处WHT和WHTA的净化效率影响显著,对复配型(WHT+WHTA)微表处净化效率影响相对较小;不同类型环保型降温微表处路用性能良好;功能性材料稳定、均匀地分散于乳化沥青中,并引起了材料内部化学官能团组成的变化;环保型微表处降温及净化尾气功效主要源于由基础材料自身晶体结构特征引发的功能性材料自身极化效应。

关键词：道路工程微表处降温净化尾气机理

Exosomes:the next-generation therapeutic platform for ischemic stroke

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Neural Regeneration Research 2025年第5期20卷 1221-1235页

作者： Wenjing yin Hongyin Ma Yang Qu Jiaxin Ren yingying sun Zhen-Ni Guo Yi Yang Stroke Center Department of NeurologyFirst Hospital of Jilin UniversityChangchunJilin ProvinceChina Neuroscience Research Center Department of NeurologyFirst Hospital of Jilin UniversityChangchunJilin ProvinceChina

Current therapeutic strategies for ischemic stroke fall short of the desired objective of neurological functional ***,there is an urgent need to develop new methods for the treatment of this *** are natural cell-derived vesicles that mediate signal transduction between cells under physiological and pathological *** have low immunogenicity,good stability,high delivery efficiency,and the ability to cross the blood–brain *** physiological properties of exosomes have the potential to lead to new breakthroughs in the treatment of ischemic *** rapid development of nanotechnology has advanced the application of engineered exosomes,which can effectively improve targeting ability,enhance therapeutic efficacy,and minimize the dosages *** in technology have also driven clinical translational research on *** this review,we describe the therapeutic effects of exosomes and their positive roles in current treatment strategies for ischemic stroke,including their antiinflammation,anti-apoptosis,autophagy-regulation,angiogenesis,neurogenesis,and glial scar formation reduction ***,it is worth noting that,despite their significant therapeutic potential,there remains a dearth of standardized characterization methods and efficient isolation techniques capable of producing highly purified *** optimization strategies should prioritize the exploration of suitable isolation techniques and the establishment of unified workflows to effectively harness exosomes for diagnostic or therapeutic applications in ischemic ***,our review aims to summarize our understanding of exosome-based treatment prospects in ischemic stroke and foster innovative ideas for the development of exosome-based therapies.

关键词： blood–brain barrier electroacupuncture engineering exercise exosomes ischemic stroke mesenchymal stem cells microglia neuroprotection stents