仝东凤、Xue Liu、董朝红 等 4 位作者2015-01-01东华大学学报:英文版
Polyurethane modified organic silicone was successfully prepared from hydroxyl-terminated polyether modified silicone,toluene-2,4-diisocyanate( TDI), and NaHSO3. The chemical structure of the polyurethane modified organic silicone was characterized by FT-IR and1H-NMR. The polymer film on the cotton surface was investi…
Polymer composites and self-healing
吕伟、段元东、孙秀枝 等 4 位作者2015-01-01东华大学学报:英文版
The catalytic oxidation of nitrogen oxide( NO) from waste gas was investigated using advanced oxidation process based on sulfate radicals. The manganese oxide immobilized on graphene oxide( GO) can activate peroxymonosulfate( PMS) for the oxidation of NO in waste gas. The Mn3O4 / GO catalyst system was characterized v…
Catalytic Processes in Materials ScienceIndustrial Gas Emission Control
罗明洪、林深2015-01-01化学研究与应用
用电化学扫描法制备了{[PMo12O40]3--Pt/PAMAM}n多层复合膜,通过X射线光电子能谱(XPS)、循环伏安测定(CV)和原子力显微镜(AFM)对样品的化学组成和膜的均匀性进行了表征。测试和分析结果表明[PMo12O40]3--Pt和PAMAM通过静电相互作用形成了交替多层复合膜,且膜的增长均匀,[PMo12O40]3-和Pt粒子均匀分布在间隔剂PAMAM上。采用三电极体系的循环伏安电化学分析方法研究了样品在酸性溶液中对甲醇的电催化氧化活性,结果表明,与Pt/GCE催化剂相比,{[PMo12O40]3--Pt/PAMAM}n/GCE呈现出较高的电催化氧化活性和好的稳定性。
Advanced Nanomaterials in CatalysisPolyoxometalates: Synthesis and ApplicationsElectrochemical sensors and biosensors
Rajesh Singh、A.D. Yadav、Vidya Jadhav 等 4 位作者2015-01-01Electronic Sumy State University Institutional Repository (Sumy State University)
The effect of irradiation with Swift (100 MeV) Ni+ 7 ions on the structural and optical properties of Cadmium Selenide (CdSe) thin films have been investigated at different fluencies in the range of 1 1011-1 1013 ions/cm – 2. The CdSe films on glass substrates were prepared by thermal evaporation. The structural a…
Chalcogenide Semiconductor Thin FilmsAdvanced Semiconductor Detectors and MaterialsQuantum Dots Synthesis And Properties
黄华林、李林艳、黎铉海 等 5 位作者2015-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
三(2-乙基己基)氧膦(a)和二(2-乙基己基)次膦酸(b)是性能优良的湿法冶金萃取剂。采用PCl_3与格氏试剂在常温下反应,一步合成a与b。初始产物中水溶性较大的单烷基次膦酸及其他杂质用碱液洗涤去除,采用改进的铜盐结晶沉淀法分离a与b,即在无其他溶剂条件下,用硫酸铜、氢氧化钠调节体系pH至二(2-乙基己基)次膦酸铜的等电点,得到絮状易过滤沉淀物,可使a与b分离。通过优化物料配比,a与b的总产率可达75.6%(以P计)。采用NMR、IR、MS对目标化合物的结构进行表征。
Inorganic and Organometallic ChemistryMetal-Organic Frameworks: Synthesis and ApplicationsThermal and Kinetic Analysis
Amira Feghoul、H. HADDAD2015-01-01OpenAlex
La corrosion acide de l’acier dans de nombreuses applications industrielles tels que, le nettoyage, le decapage et le detartrage engendre des pertes economiques immenses. Ainsi la mise en œuvre de methodes de protection est indispensable. L’adjonction d’inhibiteurs, connait une large application industrielle, speciale…
Lubricants and Their AdditivesCorrosion Behavior and Inhibition
马运柱、罗辉庭、李永君 等 5 位作者2015-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
通过加速温度时效方法针对电子器件可靠性评估中等温时效对In-3Ag焊料显微观组织和剪切性能的影响进行研究。采用扫描电镜(SEM)、能量色散仪(EDS)和X射线衍射(XRD)分别对焊点基体及其与铜基板界面金属间化合物层的组织结构进行观察和分析,采用力学试验机测试焊点的剪切强度,并通过SEM观察分析其断裂特征。结果表明:随着等温时效时间延长,基体中二次相AgIn2显著长大,由颗粒状转变为大块状;界面IMC层(成分为(Ag,Cu)In2)的厚度逐渐增加,其生长由组元扩散速率控制;焊点剪切强度呈下降趋势,由焊后的5.94 MPa降至时效1000 h后的2.35 MPa;在100℃分别时效100、250、500和750 h后,焊点剪切失效均…
Electronic Packaging and Soldering TechnologiesCopper Interconnects and ReliabilityMetallurgical and Alloy Processes
李彦沛、刘孔、卢树弟 等 5 位作者2015-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
为了提高无机纳米发光材料的发光效率和有机-无机杂化电致发光器件的性能,使用有机金属前驱体法,制备了具有化学组分梯度的ZnCdS/CdxZn1-xSeyS1-y量子点量子阱材料以及CdxZn1-xSeyS1-y量子点材料。观察到相同反应温度与反应物配比所制得的ZnCdS/CdxZn1-xSeyS1-y光致发光峰相较于CdxZn1-xSeyS1-y出现明显的蓝移,且荧光量子效率有一定的提高,最高可达60.6%。通过在反应过程中调节Se与S的比例,观察到了反应产物的光致发光峰随Se比例的减少而逐渐蓝移。结果表明,与使用纯无机纳米材料作为有源层的器件相比,使用量子点量子阱材料制备的有机-无机杂化LED的电流效率提高了4.3倍。
Chalcogenide Semiconductor Thin FilmsPerovskite Materials and ApplicationsQuantum Dots Synthesis And Properties
Junya Otsuki2015-01-01Physics Procedia
Abstract Superconductivity in the two-dimensional Kondo lattice model is derived by means of the dual-fermion approach. This framework takes full account of local correlations based on the dynamical mean-field theory and further includes influence of critical antiferromagnetic fluctuations. It is found that pairing wi…
Iron-based superconductors researchRare-earth and actinide compoundsPhysics of Superconductivity and Magnetism
Hetram、Lakhwinder Pal Singh、Hari Om Chaudhary2015-01-01Invertis Journal of Science & Technology
New nickel (Ni)-reduced stainless-steel metals have recently been developed to avoid sensitivity to Ni. Heat treatment process like case carburizing & nitriding and cold working process like shot peening are the most widely used processes for surface hardening of several components used in structures, automobiles, hea…
Surface Treatment and Residual StressMetal and Thin Film MechanicsDiamond and Carbon-based Materials Research
Piero Sozzani2015-01-01BOA (University of Milano-Bicocca)
Our scientific activity is focused on polymerizations in porous materials and the control of solid state reactions as well as on the formation in situ of new complex architectures with polymers. The project exploits both the unprecedented potentials of porous materials presently in use and the properties induced to th…
Mesoporous Materials and CatalysisCatalytic Processes in Materials ScienceAdvanced Polymer Synthesis and Characterization
Kangwoo Seo2015-01-01Brunel University Research Archive (BURA) (Brunel University London)
This thesis was submitted for the award of Doctor of Philosophy and was awarded by Brunel University London
Catalytic Processes in Materials ScienceCombustion and flame dynamicsAdvanced Combustion Engine Technologies
Alexander Weiß、Kaiser Heinrich、Joerg Martin 等 6 位作者2015-01-01Proceedings SENSOR 2015
S.674-678
Quantum Dots Synthesis And Properties
Я. Б. Якимечко、Р. І. Семеген、Б. Б. Чеканський2015-01-01OpenAlex
На основі білого портландцементу розроблено та оптимізовано композиційне в’яжуче і отримано теплоізоляційний бетон на його основі. Встановлено, що найефективнішими є добавки на основі негашеного вапна та сульфатвмісного компонента. Досліджено фазовий склад продуктів гідратації та будівельно-технічні характеристики ком…
Environmental and Industrial SafetyMining and Gasification TechnologiesMagnesium Oxide Properties and Applications
尹武梅、张婷婷、朱庆 等 6 位作者2015-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
采用溶胶-凝胶法制备Li3-2xMgxV2(PO4)3/C(x=0、0.01、0.03、0.05)复合材料,并通过X射线衍射(XRD)、扫描电镜(SEM)和电化学测试等测试手段对合成材料进行表征。XRD结果表明:在Li3V2(PO4)3的锂位掺杂少量Mg2+,并没有明显改变Li3V2(PO4)3晶体的单斜结构,但镁掺杂Li3V2(PO4)3的晶胞体积大于未掺杂Li3V2(PO4)3的晶胞体积。所有镁掺杂复合材料Li3-2xMgxV2(PO4)3/C(x=0.01、0.03、0.05)的电化学性能均优于Li3V2(PO4)3/C复合材料,其中,Li2.94Mg0.03V2(PO4)3/C在上述所有材料中具有最高的容量和最好的循环性能…
MXene and MAX Phase MaterialsAdvancements in Battery MaterialsAdvanced Battery Materials and Technologies
Ahmad Rosikhin、Aulia Fikri Hidayat、Ibnu Syuhada 等 4 位作者2015-01-01AIP conference proceedings
Thickness dependent photocurrent density in active layer of graphene/Si based solar cell has been investigated via analytical – simulation study. This report is a preliminary comparison of experimental and analytical investigation of graphene/Si based solar cell. Graphene sheet was interfaced with Si thin film forming…
Silicon Nanostructures and PhotoluminescenceGraphene research and applicationsNanowire Synthesis and Applications
周还潮、马传国、张晶晶2015-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
采用均匀沉淀法制备了多壁碳纳米管~四氧化三铁(MwcNTs-Fe3O4)复合粒子,并将复合粒子与环氧树脂(EP)复合,在弱磁场(0.2~0.3T)下固化制备了EP/MWCNTs-Fe3O4复合材料。采用x射线衍射仪、扫描电子显微镜和震动样品磁强计对复合粒子的结构和磁性能进行了表征,重点考察了弱磁场对该复合材料结构、电性能与压缩性能的影响。结果表明,复合粒子表现出顺磁性,其中Fe3O4和MWCNTs彼此相对独立,能够较均匀地分散在EP中;在外磁场作用下,复合粒子在EP中的分布表现为磁流体的特征,沿磁场方向定向排列形成链状结构;随复合粒子含量增加,复合材料的介电常数、导电性和压缩强度总体上呈上升趋势,压缩弹性模量先升高后降低;磁场诱导…
Magnetic Properties and Synthesis of FerritesIron oxide chemistry and applicationsElectromagnetic wave absorption materials
胡钢、徐瑞东、何世伟 等 7 位作者2015-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
利用恒电流从碱性镀液中在Al/Pb表面电化学合成α-PbO 2沉积层,制备出Al/Pb/α-PbO 2复合惰性阳极材料。通过阳极极化法考察α-PbO 2镀液组成及镀液温度对在Al/Pb表面电化学合成α-PbO 2的影响,采用XRD和SEM分别测试Al/Pb基体材料及α-Pb O2沉积层的相结构和表面微观组织特征。结果表明:α-PbO 2的电化学合成分由几个不同的步骤完成;适宜的条件能有效提高α-Pb O2电化学合成速率并避免析氧副反应的发生;从碱性溶液中合成的α-Pb O2具有斜方晶型结构,沉积层由发育良好的圆球形晶胞构成。
Anodic Oxide Films and NanostructuresElectronic and Structural Properties of OxidesGas Sensing Nanomaterials and Sensors
李双月、戚媛、王哲敏 等 5 位作者2015-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni
[目的]探讨2,5-己二酮(HD)对PC12细胞的毒性作用及可能机制。[方法]分别用5、10、20 mmol/L HD处理PC12细胞24 h,用未暴露HD的细胞作为正常对照组。分别用乳酸脱氢酶法检测细胞存活率,苏木素-伊红染色检测细胞形态学变化,Hochest33258染色和Annexin V-FITC/PI双染流式检测细胞凋亡,JC-1染色检测线粒体膜电位。[结果]5、10、20 mmol/L HD暴露使PC12细胞的存活率下降,仅分别为对照组的92.23%、86.40%、63.72%(均P〈0.05),细胞丧失正常形态,界限模糊,细胞数量明显减少。Hochest33258染色显示,HD暴露使细胞核固缩浓染,发出较强蓝色荧光,…
Advanced Nanomaterials in CatalysisComputational Drug Discovery MethodsElectrochemical Analysis and Applications
Weitong Fu2015-01-01DR-NTU (Nanyang Technological University)
Recently, the phenomenon of Surface Plasmon Resonance (SPR) has been investigated extensively especially due to its promising potential in the field of biosensing. SPR has applications in SPR based biosensor which can precisely detect the attachment of specific type of biomolecules to glass surface, for example to det…
Gold and Silver Nanoparticles Synthesis and Applications