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A Kinetic Study of the Influence of Modulated Undersaturation Operation on Crystal Size Distribution in Cooling-Type Batch Crystallization

Mitsuru Shoji、Toshinori Eto、Hiroshi Takiyama2011-01-01JOURNAL OF CHEMICAL ENGINEERING OF JAPAN

In cooling-type batch crystallization, the influence of undersaturation operation on crystal size distribution (CSD) was investigated by computational simulation. The model used considered the primary and secondary nucleation rates, size-dependent growth rate, and size-dependent dissolution rate limited by mass transf…

Minerals Flotation and Separation TechniquesCrystallization and Solubility Studiesnanoparticles nucleation surface interactions

An H2S-Tolerant Ni-GDC Anode with a GDC Barrier Layer

Chunchuan Xu、Phil Gansor、John W. Zondlo 等 5 位作者2011-01-01Journal of The Electrochemical Society

The solid oxide fuel cell (SOFC) can operate effectively on a variety of fuels, such as coal-syngas and hydrogen. A Ni-based cermet is a cost-effective anode material for these fuels; however, H 2 S in the fuel can degrade cell performance by poisoning the Ni-based anode. In this research, nickel- gadolinium doped cer…

Electrocatalysts for Energy ConversionAdvancements in Solid Oxide Fuel CellsElectronic and Structural Properties of Oxides

Nanoscale modulation of the density of states at the conducting interface between LaAlO 3 and SrTiO 3 band insulators

Zoran Ristić、R. Di Capua、G. M. De Luca 等 10 位作者2011-01-01Europhysics Letters (EPL)

The appearance of high-mobility electrons at the LaAlO 3 /SrTiO 3 interface has raised strong interest in the material science community and a lively debate on the origin of the phenomenon. A possible explanation is an electronic reconstruction, realizing a transfer of electrons to SrTiO 3 at the interface, thereby av…

Semiconductor materials and devicesMagnetic and transport properties of perovskites and related materialsElectronic and Structural Properties of Oxides

Heterotrophic Denitrification of Nitrate-Contaminated Water Using Different Solid Carbon Sources

Ying Xu、Tianlei Qiu、Meilin Han 等 5 位作者2011-01-01Procedia Environmental Sciences

Biodegradability and COD release of polylactic acid (PLA), polycaprolactone (PCL) and polylactic acid/Poly (3- hydroxybutyrate-co-3-hydroxyvalerate) blend (PLA/PHBV) were determined in water solution with sludge as the inoculum, and the feasibility of using them as carbon sources to remove nitrate from nitrate-contami…

biodegradable polymer synthesis and propertiesMicroplastics and Plastic PollutionCarbon dioxide utilization in catalysis

Bridged cyclophosphazenes resulting from deprotonation reactions of cyclotriphophazenes bearing a P–NH group

Serap Beşli̇、Simon J. Coles、D.B. Davies 等 5 位作者2011-01-01Dalton Transactions

Cyclotriphosphazene derivatives containing a P-NHR group in the side-chain react in the presence of a strong base to form stable intermolecular bridged products. Reaction of sodium hydride with mono-spiro cyclophosphazene derivatives having a P-NH group, N(3)P(3)Cl(4)[O(CH(2))(3)NH], (1a) or N(3)P(3)Cl(4)[CH(3)N(CH(2)…

Flame retardant materials and propertiesOrganophosphorus compounds synthesisSynthesis of Organic Compounds

Cathodic electrodeposition of p-CuSCN nanorod and its dye-sensitized photocathodic property

Lina Sun、Keigo Ichinose、Tomohiro Sekiya 等 5 位作者2011-01-01Physics Procedia

Mechanism of cathodic electrodeposition of CuSCN from ethanolic solutions containing Cu2+ and SCN- was studied in detail. Job's plot for the absorption spectra of mixed solution in various Cu2+: SCN- ratios have revealed the presence of [Cu(SCN)2]0 as a soluble species responsible to the electrode process in SCN- rich…

TiO2 Photocatalysis and Solar CellsChalcogenide Semiconductor Thin FilmsCopper-based nanomaterials and applications

Adhesive polymer-dispersed liquid crystal films

Jianhua Zou、J. Fang2011-01-01Journal of Materials Chemistry

An adhesive polymer-dispersed liquid crystal (PDLC) film with low cohesive strength is formed by the solvent- and polymerization-induced phase separation of PlatSil Gel-10 and nematic liquid crystal 4-n-pentyl-4′-cyanobiphenyl (5CB). We find that the director configuration of the dispersed 5CB droplets is sensitive to…

Liquid Crystal Research AdvancementsAdvanced Materials and MechanicsAdhesion, Friction, and Surface Interactions

Growth mechanism and cathodoluminescence properties of indium hydroxide nanocubes synthesized from a simple aqueous solution

Sen-Tsun Jean、Yung‐Chiun Her2011-01-01CrystEngComm

Single-crystalline In(OH)3 nanocubes were synthesized in a simple aqueous solution, without using a surfactant, at a temperature as low as 90 °C. To elucidate the growth mechanism, the structural evolution of In(OH)3 nanocubes during the synthesis process were carefully examined. The experimental results showed that t…

ZnO doping and propertiesGas Sensing Nanomaterials and SensorsGa2O3 and related materials

Silver coated aluminium microrods as highly colloidal stable SERS platforms

Nicolás Pazos‐Pérez、Tina Borke、Daria V. Andreeva 等 4 位作者2011-01-01Nanoscale

We report on the fabrication of a novel material with the ability to remain in solution even under the very demanding conditions required for structural and dynamic characterization of biomacromolecule assays. This stability is provided by the increase in surface area of a low density material (aluminium) natively coa…

Gold and Silver Nanoparticles Synthesis and ApplicationsAdvanced biosensing and bioanalysis techniquesBiosensors and Analytical Detection

The highly active catalysts of nanocomposite K–Co–CeO2 for soot combustion

Jian Liu、Zhen Zhao、Junfeng Xu 等 7 位作者2011-01-01Chemical Communications

Nanocomposite K-Co-CeO(2) catalysts were synthesized by the controllable micropore-diffused co-reaction method. Due to the size-match nanometre effect between CeO(2) support and active components and formation of NO(2), these cheap nanocomposite catalysts exhibit super catalytic performances which are as good as a sup…

Catalytic Processes in Materials ScienceCatalysis and Oxidation ReactionsThermal and Kinetic Analysis

Formation of organic nanoparticles by solvent evaporation within porous polymeric materials

Lei Qian、Adham Ahmed、Haifei Zhang2011-01-01Chemical Communications

A simple and generic method is developed to form organic nanoparticles in porous materials by solvent evaporation. The composites can be readily dissolved in water to produce aqueous organic nanoparticle dispersions.

Porphyrin and Phthalocyanine ChemistrySupramolecular Self-Assembly in MaterialsCovalent Organic Framework Applications

Effect of Oxygen Partial Pressure on the Optical Property of Amorphous Titanium Oxide Thin Films

Yongfeng Ju、Lin Li、Zhiming Wu 等 4 位作者2011-01-01Energy Procedia

Amorphous thin films of titanium oxide (TiOx) have been deposited on K9 glass substrates by dc reactive magnetron sputtering from a pure titanium target at different oxygen partial pressure. The structure and composition of these films have been characterized by x-ray diffraction (XRD), and x-ray photoelectron spectro…

TiO2 Photocatalysis and Solar CellsZnO doping and propertiesTransition Metal Oxide Nanomaterials

Novel Ga-doped, self-supported, independent aligned ZnO nanorods: one-pot hydrothermal synthesis and structurally enhanced photocatalytic performance

Siyuan Yang、Chunyu Ge、Zuotao Liu 等 7 位作者2011-01-01RSC Advances

A simple solution-liquid-solid method under hydrothermal conditions has been developed for the one-pot synthesis of Ga-doped/self-supported aligned ZnO 1-D nanostructures, which exhibits enhanced activity for the photocatalytic degradation of rhodamine B.

ZnO doping and propertiesGas Sensing Nanomaterials and SensorsCopper-based nanomaterials and applications

Reversible Insertion of a Trivalent Cation onto MnO2 Leading to Enhanced Capacitance

Prasant Kumar Nayak、N. Munichandraiah2011-01-01Journal of The Electrochemical Society

Supercapacitor properties of MnO 2 are studied generally in aqueous alkali metal salt solutions, often in a Na salt solution. During electrochemical discharge-charge processes, Na + ions from the electrolyte get reversibly inserted/deinserted on the surface of MnO 2 particles, which leads to redox reaction between MnO…

Advancements in Battery MaterialsSupercapacitor Materials and FabricationConducting polymers and applications

Low-Temperature Creep at Ultra-Low Strain Rates in Pure Aluminum Studied by a Helicoid Spring Specimen Technique

Junjie Shen、Shigeto Yamasaki、Ken‐ichi Ikeda 等 5 位作者2011-01-01MATERIALS TRANSACTIONS

The creep behavior in pure aluminum has been investigated by helicoid spring creep tests at strain rates, \\dotε, lower than 10−10 s−1 and low temperature ranging from 0.32Tm to 0.43Tm. It was found that the creep behavior in this region depends strongly on grain sizes and impurity concentrations. For high-purity alum…

Microstructure and mechanical propertiesAluminum Alloy Microstructure PropertiesHigh Temperature Alloys and Creep

Sonochemical polymerization of miniemulsions in organic liquids/water mixtures

Boon Mian Teo、Muthupandian Ashokkumar、Franz Grieser2011-01-01Physical Chemistry Chemical Physics

The sonochemical oil-in-water miniemulsion polymerization of n-butyl methacrylate (BMA) has been studied in mixtures with a range of aliphatic and aromatic hydrocarbon liquids under ambient conditions. Measurements of monomer conversion percentage and molecular weights of the BMA polymers were performed to investigate…

Advanced Polymer Synthesis and CharacterizationInnovative Microfluidic and Catalytic Techniques InnovationUltrasound and Cavitation Phenomena

Metal-carboxylate coordination polymers with redox-active moiety of tetrathiafulvalene (TTF)

Qin‐Yu Zhu、Jin-Po Wang、Yu-Rong Qin 等 7 位作者2011-01-01Dalton Transactions

Though numerous metal-organic frameworks or polymers have been reported, the organic building blocks are usually not redox-active. On the other hand, some mono-, di- or tri-nuclear compounds with tetrathiafulvalene (TTF) have been prepared, although little is known about the coordination polymers combined with paramag…

Metal-Organic Frameworks: Synthesis and ApplicationsMagnetism in coordination complexesOrganic and Molecular Conductors Research

Polyaniline/Graphite Nanocomposites: Synthesis and Characterization

Grasiela Gheno、Nara Regina de Souza Basso、Roberto Hübler2011-01-01Macromolecular Symposia

Abstract Graphite nanosheet (GNS) was prepared by physical/chemical method. The polyaniline (PANI)/graphite nanocomposites were synthesized by in situ polymerization of aniline monomer using different amounts (1 to 5 wt%) of graphite nanosheets. The formation of graphite nanosheets was confirmed by Transmission Electr…

Graphene research and applicationsSupercapacitor Materials and FabricationConducting polymers and applications

Optical and electrical properties of colloidal (spherical Au)-(spinel ferrite nanorod) heterostructures

Chandramohan George、Alessandro Genovese、Fen Qiao 等 11 位作者2011-01-01Nanoscale

We report here a simple synthetic route to Au-Fe(x)O(y) heterostructures in which spinel ferrite (Fe(x)O(y)) grows as a nanorod on a spherical gold (Au) seed. The large red shift in the plasmon resonance in the heterostructures could be explained by a dielectric effect (although we could not entirely exclude a contrib…

Quantum Dots Synthesis And PropertiesMagnetic Properties and Synthesis of FerritesCopper-based nanomaterials and applications

Outcome of VEGA Program on Radionuclide Release from Irradiated Fuel under Severe Accident Conditions

Akihide Hidaka2011-01-01Journal of Nuclear Science and Technology

In the VEGA program on radionuclide release from irradiated fuel under severe accident conditions, 10 tests in total were performed at JAEA from 1999 to 2004 under inert and steam atmospheres including the highest pressure or temperature conditions. These tests showed the increase in release rate above 2,800K or at th…

Nuclear reactor physics and engineeringRadioactive element chemistry and processingNuclear Materials and Properties