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Colloidal Silica Rods: Material Properties and Fluorescent Labeling

Anke Kuijk、Arnout Imhof、Margriet H. W. Verkuijlen 等 6 位作者2014-02-11Particle & Particle Systems Characterization

In this paper, the characterization and fluorescent labeling of silica rods are reported. These rods are synthesized following a recently reported method. Material properties of the silica rods measured with NMR, elemental analysis, TGA, and porosimetry are compared with those of well‐established Stöber silica spheres…

Photonic Crystals and ApplicationsMesoporous Materials and CatalysisDiatoms and Algae Research

Local magnetism and spin correlations in the geometrically frustrated cluster magnet LiZn2Mo3O8

John P. Sheckelton、Francesca R. Foronda、LiDong Pan 等 11 位作者2014-02-11Physical Review B

${\text{LiZn}}_{2}{\text{Mo}}_{3}{\text{O}}_{8}$ has been proposed to contain $S=\textonehalf{}$${\text{Mo}}_{3}{\text{O}}_{13}$ magnetic clusters arranged on a triangular lattice with antiferromagnetic nearest-neighbor interactions. Here, microwave and terahertz electron spin resonance, $^{7}\mathrm{Li}$ nuclear magn…

Magnetic and transport properties of perovskites and related materialsAdvanced Condensed Matter PhysicsIron-based superconductors research

Challenges and prospects for developing CdS/CdTe substrate solar cells on Mo foils

B. L. Williams、Jonathan D. Major、Leon Bowen 等 7 位作者2014-02-11Solar Energy Materials and Solar Cells

ITO/ZnO/CdS/CdTe/Mo solar cells have been grown in the substrate configuration by a combination of close-space sublimation and RF sputtering. A peak efficiency of 8.01% was achieved. A two stage CdCl2 annealing process was developed, with the first stage contributing to CdTe doping and the second being linked to CdTe/…

Quantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin FilmsCopper-based nanomaterials and applications

Efficient Hydrolysis of Cellulose over a Novel Sucralose-Derived Solid Acid with Cellulose-Binding and Catalytic Sites

Shuanglan Hu、Thomas J. Smith、Wen‐Yong Lou 等 4 位作者2014-02-11Journal of Agricultural and Food Chemistry

A new sucralose-derived solid acid catalyst (SUCRA-SO3H), containing -Cl and -SO3H functional groups, has been shown to be highly effective for hydrolyzing β-1,4-glucans, completely hydrolyzing cellobiose (1) into glucose (2) in 3 h and converting the microcrystalline cellulose pretreated by the ionic liquid into gluc…

Biofuel production and bioconversionSupercapacitor Materials and FabricationCatalysis for Biomass Conversion

Graphene-reinforced calcium silicate coatings for load-bearing implants

Youtao Xie、Hongqing Li、Chi Zhang 等 6 位作者2014-02-11Biomedical Materials

Owing to the superior mechanical properties and low coefficient of thermal expansion, graphene has been widely used in the reinforcement of ceramics. In the present study, various ratios of graphene (0.5 wt%, 1.5 wt% and 4 wt%) were reinforced into calcium silicate (CS) coatings for load-bearing implant surface modifi…

Bone Tissue Engineering MaterialsGraphene research and applicationsGraphene and Nanomaterials Applications

Effect of pelleting process variables on physical properties and sugar yields of ammonia fiber expansion pretreated corn stover

Amber N. Hoover、Jaya Shankar Tumuluru、Farzaneh Teymouri 等 5 位作者2014-02-11Bioresource Technology

Pelletization process variables, including grind size (4, 6mm), die speed (40, 50, 60 Hz), and preheating (none, 70°C), were evaluated to understand their effect on pellet quality attributes and sugar yields of ammonia fiber expansion (AFEX) pretreated biomass. The bulk density of the pelletized AFEX corn stover was t…

Food composition and propertiesBiofuel production and bioconversionbiodegradable polymer synthesis and properties

Improving Cochlear Implant Properties Through Conductive Hydrogel Coatings

Rachelle T. Hassarati、Wolfram F. Dueck、Claudia Tasche 等 6 位作者2014-02-11IEEE Transactions on Neural Systems and Rehabilitation Engineering

Conductive hydrogel (CH) coatings for biomedical electrodes have shown considerable promise in improving electrode mechanical and charge transfer properties. While they have desirable properties as a bulk material, there is limited understanding of how these properties translate to a microelectrode array. This study e…

Advanced Sensor and Energy Harvesting MaterialsConducting polymers and applicationsNeuroscience and Neural Engineering

Low-Temperature Microwave Annealing Processes for Future IC Fabrication—A Review

Yao‐Jen Lee、Ta-Chun Cho、Shang-Shiun Chuang 等 12 位作者2014-02-11IEEE Transactions on Electron Devices

Microwave annealing (MWA) and rapid thermal annealing (RTA) of dopants in implanted Si are compared in their abilities to produce very shallow and highly activated junctions. First, arsenic (As), phosphorus (P), and${\rm BF}_{2}$implants in Si substrate were annealed by MWA at temperatures below 550$^{\circ}{\rm C}$.…

Advanced ceramic materials synthesisSemiconductor materials and devicesSemiconductor materials and interfaces

Elucidating Double Aggregation Mechanisms in the Morphology Optimization of Diketopyrrolopyrrole‐Based Narrow Bandgap Polymer Solar Cells

Jing Gao、Wei Chen、Letian Dou 等 8 位作者2014-02-11Advanced Materials

The power conversion efficiency (PCE) of a DPP-based polymer solar cell is significantly improved by using DIO or DCB as processing additives. The discovery that DCB outperforms DIO with a significantly wider solvent mixture operation window suggests different optimization mechanisms. Although both solvent mixture sys…

Organic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsConducting polymers and applications

Adjustable low frequency and broadband metamaterial absorber based on magnetic rubber plate and cross resonator

Yongzhi Cheng、Yan Nie、Xian Wang 等 4 位作者2014-02-11Journal of Applied Physics

In this paper, the magnetic rubber plate absorber (MRPA) and metamaterial absorber (MA) based on MRP substrate were proposed and studied numerically and experimentally. Based on the characteristic of L-C resonances, experimental results show that the MA composed of cross resonator (CR) embedded single layer MRP could…

Antenna Design and AnalysisMetamaterials and Metasurfaces ApplicationsAdvanced Antenna and Metasurface Technologies

Biotemplated Fabrication of Sn@C Anode Materials Based on the Unique Metal Biosorption Behavior of Microalgae

Xinyong Tao、Rui Wu、Yang Xia 等 8 位作者2014-02-11ACS Applied Materials & Interfaces

Biotemplating is an effective strategy to obtain morphology-controllable materials with structural specificity, complexity, and corresponding unique functions. Different from traditional biotemplating strategies replicating the morphology and using biogenic elements of biomaterials (e.g., C, Si, N, Fe, P, S), we take…

Electrochemical sensors and biosensorsExtraction and Separation ProcessesAdvanced Nanomaterials in Catalysis

Preparation, characterization and catalytic properties of nickel aluminate nanoparticles: A comparison between conventional and microwave method

C. Ragupathi、J. Judith Vijaya、L. John Kennedy2014-02-11Journal of Saudi Chemical Society

In the present work, synthesis of nickel aluminate using Opuntia dilenii haw as plant extract by a microwave combustion method (MCM) and its comparison with the conventional combustion method (CCM) is investigated. O. dilenii haw plant extract simplifies the process, provides an alternative process for a simple and an…

Catalytic Processes in Materials ScienceNanomaterials for catalytic reactionsMicrowave-Assisted Synthesis and Applications

A reciprocal theorem for Marangoni propulsion

Hassan Masoud、Howard A. Stone2014-02-11Journal of Fluid Mechanics

Abstract We study the Marangoni propulsion of a spheroidal particle located at a liquid–gas interface. The particle asymmetrically releases an insoluble surface-active agent and so creates and maintains a surface tension gradient leading to the self-propulsion. Assuming that the surface tension has a linear dependence…

Micro and Nano RoboticsPickering emulsions and particle stabilizationParticle Dynamics in Fluid Flows

Red–Green–Blue Electrogenerated Chemiluminescence Utilizing a Digital Camera as Detector

Egan H. Doeven、Gregory J. Barbante、Emily Kerr 等 6 位作者2014-02-11Analytical Chemistry

Exploiting the distinct excitation and emission properties of concomitant electrochemiluminophores in conjunction with the inherent color selectivity of a conventional digital camera, we create a new strategy for multiplexed electrogenerated chemiluminescence detection, suitable for the development of low-cost, portab…

Advanced biosensing and bioanalysis techniquesQuantum Dots Synthesis And PropertiesBiosensors and Analytical Detection

Encapsulating Pd Nanoparticles in Double-Shelled Graphene@Carbon Hollow Spheres for Excellent Chemical Catalytic Property

Zheye Zhang、Fei Xiao、Jiangbo Xi 等 8 位作者2014-02-11Scientific Reports

Double-shelled hollow carbon spheres with reduced graphene oxide (RGO) as inner shell and carbon (C) layer as outer shell have been successfully designed and prepared. This tailor-making structure acts as an excellent capsule for encapsulating with ultrafine Pd nanoparticles (Pd NPs), which could effectively prevent P…

Advanced Photocatalysis TechniquesGraphene research and applicationsNanomaterials for catalytic reactions

Prediction of a Weyl semimetal in Hg1−x−y Cdx Mny Te

Daniel Bulmash、Chao‐Xing Liu、Xiao‐Liang Qi2014-02-11Physical Review B

We study strained ${\text{Hg}}_{1\ensuremath{-}x\ensuremath{-}y}$${\text{Cd}}_{x}$${\text{Mn}}_{y}$Te in a magnetic field using a $\mathbit{k}\ifmmode\cdot\else\textperiodcentered\fi{}\mathbit{p}$ model and predict that the system is a Weyl semimetal with two nodes in an experimentally reasonable region of the phase d…

2D Materials and ApplicationsTopological Materials and PhenomenaQuantum many-body systems

Trapping light in open plasmonic nanostructures

Mário G. Silveirinha2014-02-11Physical Review A

In open resonators the energy associated with a localized photonic excitation is lost in the form of a radiated wave, in the same manner that a classical charged particle in a curved orbit loses energy in the form of electromagnetic radiation. As a consequence, photonic modes in conventional spatially bounded open res…

Gold and Silver Nanoparticles Synthesis and ApplicationsPlasmonic and Surface Plasmon ResearchOrbital Angular Momentum in Optics

Noise and Vibration Characteristics of Permanent-Magnet Synchronous Motors Using Electromagnetic and Structural Analyses

Mohammad Islam、Rakib Islam、Tomy Sebastian2014-02-11IEEE Transactions on Industry Applications

This paper provides a detailed finding of the mechanics of vibration in permanent magnet (PM) synchronous motors due to electromagnetic (EM) origins. Several fractional-slot PM topologies are investigated to quantify the vibration phenomenon that is influenced by motor slot/pole and winding configurations. This paper…

Electric Motor Design and AnalysisMagnetic Properties and ApplicationsMagnetic Bearings and Levitation Dynamics

Facile Photochemical Preparation of Amorphous Iridium Oxide Films for Water Oxidation Catalysis

Rodney D. L. Smith、Barbora Sporinova、Randal D. Fagan 等 5 位作者2014-02-11Chemistry of Materials

Light-driven decomposition of Ir(acac) 3 spin-cast on a conducting glass substrate produces a thin conformal film of amorphous iridium oxide, a -IrO x . The decomposition process, which was carried out under an ambient atmosphere at room temperature and tracked by Fourier transform infrared (FTIR) spectroscopy, appear…

Electrocatalysts for Energy ConversionElectrochemical Analysis and ApplicationsCopper-based nanomaterials and applications

Recent Progress of Counter Electrode Catalysts in Dye-Sensitized Solar Cells

Mingxing Wu、Tingli Ma2014-02-11The Journal of Physical Chemistry C

To realize long-term developments and practical application of the dye-sensitized solar cells (DSCs) requires a robust increase of the power conversion efficiency (PCE) and a significant decrease of the production cost. Fortunately, a new record PCE value of 12.3% was achieved by using cobalt-based redox couples combi…

TiO2 Photocatalysis and Solar CellsAdvanced Photocatalysis TechniquesQuantum Dots Synthesis And Properties