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New Polymers Based on 2,6-di(thiophen-2-yl)aniline and 2,2'- (thiophen-2,5-diyl)dianiline Monomers. Preparation, Characterization and Thermal, Optical, Electronic and Photovoltaic Properties.

Ignacio A. Jessop、Paul O. Zamora、F. R. Díaz 等 8 位作者2012-10-01International Journal of Electrochemical Science

A new series of polymers, chemically and electrochemically obtained from monomers containing aniline and thiophene moieties, has been prepared. The purpose is to use them as electron donor layers in the fabrication of dual-layer organic solar cells. Both the monomers and the polymers were characterized using technique…

Organic Electronics and PhotovoltaicsOrganic Light-Emitting Diodes ResearchConducting polymers and applications

The effect of cryogenic application on surface integrity in manufacturing process: A review

A. R. Natasha、Jaharah A. Ghani、Che Hassan Che Haron 等 4 位作者2012-10-01˜The œJournal of applied sciences research

The quality of work material’s surfaces after undergone various manufacturing processes is very important in determining the functional performance of a component throughout the services. Application of coolant and lubricant in manufacturing operations such as turning, milling, grinding, rolling, etc. has been proven…

High Entropy Alloys StudiesAdvanced materials and compositesMetal Alloys Wear and Properties

Aluminium-bearing strunzite derived from jahnsite at the Hagendorf-Süd pegmatite, Germany

Ian E. Grey、Colin M. MacRae、Erich Keck 等 4 位作者2012-10-01Mineralogical Magazine

Abstract Aluminium-bearing strunzite, [Mn 0.65 Fe 0.26 Zn 0.08 Mg 0.01 ] 2+ [Fe 1.50 Al 0.50 ] 3+ (PO 4 ) 2 (OH) 2 ·6H 2 O, occurs as fibrous aggregates in a crystallographically oriented association with jahnsite on altered zwieselite samples from the phosphate pegmatite at Hagendorf Süd, Bavaria, Germany. Synchrotro…

Crystal Structures and PropertiesClay minerals and soil interactionsIron oxide chemistry and applications

Fabrication and Characterization of the Composites Reinforced with Multi-Walled Carbon Nanotubes

Shiuh-Chuan Her、Shun-Wen Yeh2012-10-01Journal of Nanoscience and Nanotechnology

Carbon nanotubes with superior mechanical, electrical and thermal properties have received intensive attention in recent years. In this study, multi-walled carbon nanotubes (MWCNT) were infused into a liquid epoxy, and the solution was sonicated for three hours to separate the aggregation of the MWCNTs and achieve goo…

Carbon Nanotubes in CompositesTribology and Wear AnalysisSmart Materials for Construction

Stabilization of plant formate dehydrogenase by rational design

А. В. Алексеева、С. С. Савин、S. Yu. Kleimenov 等 6 位作者2012-10-01Biochemistry (Moscow)

Recombinant formate dehydrogenase (FDH, EC 1.2.1.2) from soy Glycine max (SoyFDH) has the lowest values of Michaelis constants for formate and NAD+ among all studied formate dehydrogenases from different sources. Nevertheless, it also has the lower thermal stability compared to enzymes from bacteria and yeasts. The al…

Enzyme Structure and FunctionAmino Acid Enzymes and MetabolismBiochemical and Molecular Research

Phase decomposition and related structural and magnetic properties of iron-cobaltite thin films

Kwang Joo Kim、Jung Han Lee、Chul Sung Kim2012-10-01Journal of the Korean Physical Society

Iron-cobaltite (Co3−x Fe x O4) thin films exhibited a spinodal decomposition (SD) into two distinct cubic spinel phases as the Fe composition was varied near x = 1. Polycrystalline films of spinel oxides (x ≤ 2.0) were prepared on Si(100) substrates by using a sol-gel deposition, followed by subsequent air-annealing a…

Magnetic properties of thin filmsMagnetic Properties and Synthesis of FerritesIron oxide chemistry and applications

Magnetocrystalline anisotropy-dependent six-fold symmetric anisotropic magnetoresistance in epitaxial Co x Fe 3−x O 4 films

Chao Jin、Peihao Li、Wenbo Mi 等 4 位作者2012-10-01Europhysics Letters (EPL)

The angular-dependent anisotropic magnetoresistance (AMR) of epitaxial Co x Fe 3− x O 4 films has been investigated systematically. The six-fold symmetric AMR was observed in the (111)-oriented epitaxial Co x Fe 3− x O 4 films in contrast to the four-fold symmetric AMR of the (100)- and (110)-oriented Co x Fe 3− x O 4…

Multiferroics and related materialsMagnetic Properties and Synthesis of FerritesMagneto-Optical Properties and Applications

Production of Binderless Particleboard Using Rice Straw Pretreated with Liquid Hot Water

P. Luo、Chuan Min Yang2012-10-01Applied Mechanics and Materials

Bonding of agricultural lignocellulosic fibers can be improved by liquid hot water pretreatment. This work applied liquid hot water pretreatment to rice straw. The pretreated rice straw was used to make binderless particleboard. The effect of reaction temperature and residence time on the yield of cellulose pulps, chem…

Natural Fiber Reinforced CompositesAdvanced Cellulose Research StudiesLignin and Wood Chemistry

The Effect of Polyester Structures on the Damping Property of Polyurethane Elastomers

Hao Chen、Haijun Zhou、De Ju Liu 等 4 位作者2012-10-01Advanced materials research

Polyurethane elastomers (PU) based on polyester, TDI-100 and MOCA were synthesized by two step method. The polyurethane elastomers were investigated by infrared spectroscopy (FTIR), atomic force microscope (AFM) and dynamic thermal mechanical analyses (DMA). The results show that the structure of polyester plays an im…

Structural Behavior of Reinforced ConcretePolymer composites and self-healingTribology and Wear Analysis

Modeling of heat and mass transfer in LaNi5 matrix during hydrogen absorption-desorption cycle

Olaitan Lukman Akanji、А. В. Колесников2012-10-01Green Sciences

Packed bed reactors using metal hydride are attracting a lot of attention as potential hydrogen storage systems. Some operational and design variables are major constraints to obtain a proper infl ow/outfl ow of hydrogen into a metal hydride reactor. These variables include packed bed thermal conductivity, porosity, p…

Catalysts for Methane ReformingHydrogen Storage and MaterialsAmmonia Synthesis and Nitrogen Reduction

Photoluminescence properties of new deep red-emitting Mn2+-activated CaLaGa3S6O phosphors

Ruijin Yu、Hyun Kyoung Yang、Byung Kee Moon 等 5 位作者2012-10-01Journal of the Korean Physical Society

A new deep red-emitting Mn 2+ -activated CaLaGa 3 S 6 O phosphor was prepared by using a solidstate reaction method. X-ray diffraction studies confirm a tetragonal structure with space group P 2 1 m . The emission spectrum showed a broad band with an emission maximum at 676 nm under a host excitation of 332 nm. The op…

Advanced Photocatalysis TechniquesLuminescence Properties of Advanced MaterialsGa2O3 and related materials

Process’ Optimization of Nanocrystalline Cellulose and its Properties

Ping Zou、Ping Zhang、De Gao 等 4 位作者2012-10-01Applied Mechanics and Materials

This paper concerned nanocrystalline cellulose(NCC)’s isolation from microcrystalline cellulose(MCC) by sulfuric acid hydrolysis, meanwhile centrifuging, ultrasonic treatment and freeze-drying were carried out afterwards. It covered the effect of reaction conditions on the yield of NCC. It indicated that hydrolysis ti…

Advanced Cellulose Research StudiesLignin and Wood ChemistryDyeing and Modifying Textile Fibers

Experimental investigation of thermoelectric heat recovery from a diesel engine

Veneția Sandu、Aurel-Cornel Stanca、Alexandru Pasaroiu 等 4 位作者2012-10-01OpenAlex

The paper presents several actions in the field of waste heat harvesting from exhaust gas and surfaces of diesel engines by means of thermoelectric modules. It illustrates preliminary research work performed by the authors for the investigation of TEG efficiency when mounted on diesel engine exhaust gas systems, stres…

Advanced Thermoelectric Materials and DevicesGas Sensing Nanomaterials and SensorsThermography and Photoacoustic Techniques

The Analysis of the Parameters of Three-phase Coexistence in the Course of Long-term Contact between a Superhydrophobic Surface and an Aqueous Medium

Л. Б. Бойнович、Alexandre M. Emelyanenko2012-10-01Chemistry Letters

Abstract A method to estimate the portion of wetted area and the intrinsic wettability state (hydrophobic versus hydrophilic) of elements of texture in the case of a heterogeneous wetting regime is proposed and discussed.

Surface Modification and SuperhydrophobicityFluid Dynamics and Heat TransferIcing and De-icing Technologies

The Effect of Various Catalytic Systems on Solid-State Polymerization of Poly-(L-lactic acid)

Pavel Kucharczyk、Ida Poljanšek、Vladimír Sedlařík2012-10-01Journal of Macromolecular Science Part A

There are several methods for synthesizing polylactic acid. Solid-state polymerization is one of the most promising methods due to the great feasibility and beneficial properties of the final polymer. In terms of this study, the purpose was to evaluate the effect of various catalyst systems (based on tin dichloride, t…

biodegradable polymer synthesis and propertiesAdditive Manufacturing and 3D Printing TechnologiesCarbon dioxide utilization in catalysis

Te concentration dependent photoemission and inverse-photoemission study of FeSe1−xTex

T. Yokoya、Rikiya Yoshida、Yuki Utsumi 等 20 位作者2012-10-01Science and Technology of Advanced Materials

We have characterized the electronic structure of FeSe1−xTex for various x values using soft x-ray photoemission spectroscopy (SXPES), high-resolution photoemission spectroscopy (HRPES) and inverse photoemission spectroscopy (IPES). The SXPES valence band spectral shape shows that the 2 eV feature in FeSe, which was a…

Rare-earth and actinide compoundsIron-based superconductors researchInorganic Chemistry and Materials

Biomimetic hair sensors: Utilizing the third dimension

Khalil Najafi2012-10-01OpenAlex

Nature and biology utilize a myriad of structures, materials, and schemes to achieve superb sensing performance with extreme reliability and robustness. One structure used more commonly in nature is the “hair”. Hair-like sensors are used for acoustic, chemical, flow, pressure, and gas sensing, among others. Hair-like…

Surface Modification and SuperhydrophobicityAdvanced Sensor and Energy Harvesting MaterialsMicrofluidic and Bio-sensing Technologies

Three-dimensional artificial double helices with high negative refractive index

Amornthep Sonsilphong、Nantakan Wongkasem2012-10-01Journal of Optics

Chirality can be manipulated in multilayer three-dimensional helices. Multiple backbone helices can be effectively designed and fabricated, preserving their unique electromagnetic properties of chiral metamaterials. Chirality is boosted in double helices. The chirality index is four times higher than in single helices…

Antenna Design and AnalysisMetamaterials and Metasurfaces ApplicationsAdvanced Antenna and Metasurface Technologies

Vibration-assisted melt compounding of polypropylene/carbon black composites: Processability, filler dispersion and mechanical properties

Georgi Kotzev、Strashimir Djoumaliisky、Margarita Natova 等 4 位作者2012-10-01Journal of Reinforced Plastics and Composites

Composites of polypropylene and carbon black were melt compounded by a vibration-assisted process. For comparison, conventional extrusion was also used for preparation of the same composites. A throughput of the vibration-assisted process was established to be higher than that of conventional extrusion. Microscopic im…

Polymer crystallization and propertiesPolymer Nanocomposites and PropertiesFiber-reinforced polymer composites

An Approach to Pyrazoline-Fused Chlorins by Dipolar [3 + 2]-Cycloaddition of Iminonitriles to meso-Tetrakis(pentafluorophenyl)porphyrin: Synthesis of New PDT Photosensitizers

Przemysław Wyrębek、Stanisław Ostrowski2012-10-01Bulletin of the Chemical Society of Japan

Abstract meso-Tetrakis(pentafluorophenyl)porphyrin reacts at higher temperature with unstable iminonitriles (R–C≡N+–N−–Ar), affording pyrazoline-fused chlorins, according to dipolar [3 + 2]-cycloaddition pathway. The respective iminonitriles were in situ generated from the corresponding functionalized α-halogenohydraz…

Porphyrin and Phthalocyanine ChemistryPhotodynamic Therapy Research StudiesPorphyrin Metabolism and Disorders