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Sandwich-type (phthalocyaninato)(porphyrinato) europium triple-decker nanotubes. Effects of the phthalocyanine peripheral substituents on the molecular packing

Jitao Lü、Pan Ma、Xiaomei Zhang 等 4 位作者2011-01-01Dalton Transactions

Three sandwich-type (phthalocyaninato)(porphyrinato) europium triple-decker complexes, namely Eu(2)(Pc)(2)(TClPP) (1), Eu(2)[Pc(β-OC(4)H(9))(8)](2)(TClPP) (2), and Eu(2)[Pc(β-OC(8)H(17))(8)](2)(TClPP) (3), have been designed, synthesized, and fabricated into nanotubes using nanoporous anodized aluminium oxide (AAO) me…

Supramolecular Chemistry and ComplexesPorphyrin and Phthalocyanine ChemistrySurface Chemistry and Catalysis

Synthetic strategies for the surface functionalisation of gold nanoparticles with metals and metal clusters

Mario Friederici、Inmaculada Angurell、Miquel Seco 等 5 位作者2011-01-01Dalton Transactions

The reaction of the new ditopic thiol-phosphine compound HS(CH(2))(11)OOCC(6)H(4)PPh(2) (L) with an excess of dodecanethiol-protected gold nanoparticles gave the asymmetric gold complex [CH(3)(CH(2))(11)SAuPPh(2)C(6)H(4)COO(CH(2))(11)SH] (4), but no phosphine-protected gold nanoparticles were formed. However, by block…

Gold and Silver Nanoparticles Synthesis and ApplicationsNanocluster Synthesis and Applicationsnanoparticles nucleation surface interactions

Photo-switchable polyelectrolyte brush for dual protein patterning

Youyong Xu、Yosuke Hoshi、Christopher K. Ober2011-01-01Journal of Materials Chemistry

We report the preparation of a novel photo-switchable polyelectrolyte brush. Under masked UV radiation, a patterned cationic/anionic binary brush surface can be easily fabricated, which was employed to form a dual-component protein pattern by electrostatic attractions.

Polymer Surface Interaction StudiesMolecular Junctions and NanostructuresNanofabrication and Lithography Techniques

Impregnation of paclitaxel into poly(dl-lactic acid) using high pressure mixture of ethanol and carbon dioxide

Satoshi Yoda、Keisuke Sato、Hideko T. Oyama2011-01-01RSC Advances

Paclitaxel (PT) is a mitotic inhibitor used in cancer chemotherapy. Impregnation of PT into amorphous poly(DL-lactic acid) (PDLLA) in mixtures of high-pressure ethanol (EtOH) and carbon dioxide (CO2) at various compositions was investigated at 313 K and 20 MPa. It was demonstrated that the high pressure EtOH–CO2 mixtu…

biodegradable polymer synthesis and propertiesCarbon dioxide utilization in catalysisPolymer Foaming and Composites

Preparation and characterization of highly ordered mesoporous SiC nanoparticles with rod shaped morphology and tunable pore diameters

Sakthivel TamilSelvan、Salem S. Al‐Deyab、Javaid S. M. Zaidi 等 7 位作者2011-01-01Journal of Materials Chemistry

Here we report for the first time a very simple, efficient and economical synthetic process for the preparation of mesoporous SiC nanoparticles with highly ordered mesoporous structure and monodispersed rectangular shaped rod like particles through a carbothermal reduction using uncalcined mesoporous silica as a templ…

Supercapacitor Materials and FabricationCatalytic Processes in Materials ScienceMesoporous Materials and Catalysis

CFD Calculations of Natural Circulation in a High Temperature Gas Reactor Following Pressurized Circulator Shutdown

Yu-Hsin Tung、Richard W. Johnson2011-01-01OpenAlex

It is anticipated that in the event of the failure of the gas circulator in a prismatic gas-cooled very high temperature gas reactor (VHTR), there will develop natural convection currents in the core with the helium coolant. It is of interest to know the amount of energy transported by the helium plumes impinging on m…

Nuclear reactor physics and engineeringNuclear Engineering Thermal-HydraulicsGraphite, nuclear technology, radiation studies

Bath Conditions Role in Promoting Corrosion Protection on Aluminum Alloy using Rare Earth Conversion Coatings

S.B. Brachetti–Sibaja、M.A. Domínguez–Crespo、A.M. Torres–Huerta 等 5 位作者2011-01-01Journal of The Electrochemical Society

Bath Conditions Role in Promoting Corrosion Protection on Aluminum Alloy using Rare Earth Conversion Coatings, Brachetti-Sibaja, S. B., Domínguez-Crespo, M. A., Torres-Huerta, A. M., de la Cruz-Hernández, W., Onofre-Bustamante, E.

Corrosion Behavior and InhibitionConcrete Corrosion and DurabilityAnodic Oxide Films and Nanostructures

Fabrication of quantum dot-based photonic materials from small to large via interfacial self-assembly

Ziyi Yu、Cai‐Feng Wang、Su Chen2011-01-01Journal of Materials Chemistry

In analogy to atoms which are connected by bonds to form molecules and complexes, quantum dots (QDs) can be combined together to form larger ensembles for evoking a collective function. To this end, the development of a controlled self-assembly method for the construction of well-defined structures of the ensembles is…

Quantum Dots Synthesis And PropertiesPhotonic Crystals and Applications

Multiferroic Materials and their Properties

P. Kumar2011-01-01Integrated ferroelectrics

Multiferroics, as the medium with more than one order parameter, have become a subject of great interest in the past decade. We present here a summary of the properties of a multiferroic, mostly a ferromagnet and a ferroelectric. They appear in three different forms; proper where the system is ferroelectric at high te…

Ferroelectric and Piezoelectric MaterialsMultiferroics and related materialsAdvanced Condensed Matter Physics

Kinetics and Modeling of Fatty Alcohol Ethoxylation in an Industrial Spray Loop Reactor

Guilherme Amaral、Reinaldo Giudici2011-01-01Chemical Engineering & Technology

Abstract The kinetics of the ethoxylation of fatty alcohols catalyzed by potassium hydroxide was studied to obtain the rate constants for modeling of the industrial process. Experimental data obtained in a lab‐scale semibatch autoclave reactor were used to evaluate kinetic and equilibrium parameters. The kinetic model…

Catalytic Processes in Materials ScienceCatalysis and Hydrodesulfurization StudiesCatalysis and Oxidation Reactions

Corrosion effect on the flexural strength & micro-hardness of ips e-max ceramics

Cherif Mohsen2011-01-01Open Journal of Stomatology

Objectives: The effect of ceramics construction (press- able, machinable) and corrosion on flexural strength and micro-hardness was studied. Materials & Methods: Two types of ceramics were tested: IPS e-max Press and IPS e-max CAD. Forty samples were constructed and divided into 2 groups according to the type of ceram…

Advanced ceramic materials synthesisAdditive Manufacturing and 3D Printing TechnologiesAdvanced materials and composites

New Poly(Amide-Imide)s Based on 1,3-Bis[4,4′-(Trimellitimido) Phenoxy] Propane and Hydantoin Derivatives: Synthesis and Properties

Khalil Faghihi、Meisam Shabanian、Nasim Valikhani2011-01-01Designed Monomers & Polymers

1,3-Bis[4,4′-(trimellitimido) phenoxy] propane (6) as a new monomer containing a trimethylene moiety was synthesized using a three-step reaction. First 1,3-bis[4,4′-nitrophenoxy] propane (3) was prepared by reaction of 4-nitrophenol 1 with 1,3-dibromo propane (2) in DMF. Then dinitro (3) was reduced to 1,3-bis[4,4′-am…

Epoxy Resin Curing ProcessesSynthesis and properties of polymersSilicone and Siloxane Chemistry

Analysis of magnetization and demagnetization processes in Nd-Fe-B sintered magnets using the step method

Kurima Kobayashi、T. Matsushita、K Hayakawa 等 4 位作者2011-01-01Journal of the Magnetics Society of Japan

The magnetization and demagnetization processes in the 11 types of Dy-free Nd-Fe-B sintered magnets based on the NEOMAX-50 type magnets were investigated using the step method that is our original method of measurements and analyses of minor loops with step by step increased maximum applied fields. With the decrease i…

Magnetic properties of thin filmsMagnetic Properties and ApplicationsMagnetic Properties of Alloys

A quantitative analysis of room temperature recrystallization kinetics in electroplated copper films using high resolution x-ray diffraction

Andrew Ying、Christian Witt、Jean Jordan‐Sweet 等 5 位作者2011-01-01Journal of Applied Physics

Time-resolved in situ x-ray diffraction measurements were used to study the room-temperature recrystallization kinetics of electroplated copper thin films with thicknesses between 400 and 1000 nm. The thinnest films exhibited limited recrystallization and subsequent growth of grains, while recrystallized grains in the…

Semiconductor materials and devicesElectrodeposition and Electroless CoatingsCopper Interconnects and Reliability

Growth and optical properties of stacked-pyramid zinc sulfide architectures

Zhi‐Gang Chen、Lina Cheng、Jin Zou2011-01-01CrystEngComm

Self-assembled single-phased stacked-pyramid zinc sulfide architectures were fabricated using a facile two-step thermal evaporation method. This novel architecture consists of a single phase hexagonal wurtzite structured stacked-pyramids architected on wire-like trunks. Direct evidence is presented to determine their…

Perovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films

Sintering Behaviour and Piezoelectric Properties of CuO-Added Lead-Free Bi(Na,K)TiO3Ceramics

Hyoung‐Su Han、Nam-Binh Do、Ky-Nam Pham 等 7 位作者2011-01-01Ferroelectrics

Effect of excess CuO on the sintering behaviour and piezoelectric properties of Bi0.5(Na82K0.18)0.5TiO3 ceramics was investigated. The addition of small amount of excess CuO as low as 0.01 mol was quite effective to lower the sintering temperature (Ts) of BNKT ceramics down to 975°C which is 200°C lower than the Ts of…

Ferroelectric and Piezoelectric MaterialsAcoustic Wave Resonator TechnologiesMicrowave Dielectric Ceramics Synthesis

An Alternative Method to Grow Ge Thin Films on Si by Electrochemical Deposition for Photonic Applications

M. J. Jawad、M.R. Hashim、N. K. Ali 等 5 位作者2011-01-01Journal of The Electrochemical Society

Germanium films several micrometers in thickness were electrochemically deposited on silicon wafers for the first time without catalysts and at room temperature from a solution containing Ge species that have been electrochemically dissolved from Ge target. The films were investigated using scanning electron microscop…

Silicon Nanostructures and PhotoluminescenceNanowire Synthesis and ApplicationsSemiconductor materials and interfaces

Synthesis and photophysical characterization of highly luminescent silica films doped with substituted 2-hydroxyphthalamide (IAM) terbium complexes

Lidia Armelao、Gregorio Bottaro、Silvio Quici 等 6 位作者2011-01-01Dalton Transactions

Innovative Tb(3+) antenna complexes employing two different substituted 2-hydroxyphthalamide ligands (HxOH-IAM and bis-HxOH-IAM) acting simultaneously as coordinating sites and light collector units have been synthesized and successively anchored in silica layers by the sol-gel technique. The complexes show remarkable…

Magnetism in coordination complexesLuminescence and Fluorescent MaterialsLanthanide and Transition Metal Complexes

RECIPROCAL INVISIBLE CLOAK WITH HOMOGENEOUS METAMATERIALS

Jingjing Yang、Ming Huang、Ya Lin Li 等 5 位作者2011-01-01Progress In Electromagnetics Research M

Based on linear optical transformation method, a diamond shaped reciprocal cloak with perfect invisibility in a certain direction is proposed. Compared with traditional cloaks, the object hidden inside the reciprocal cloak is not blind and can receive information from the outer region. Moreover, the reciprocal cloak i…

Antenna Design and AnalysisMetamaterials and Metasurfaces ApplicationsAdvanced Antenna and Metasurface Technologies