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A study of Ca-doped hexaferrite Sr 1−x Ca x Fe 12 O 19 (x = 0.0, 0.05, 0.1, 0.15, and 0.2) synthesized by sol-gel combustion method

Vajihe Banihashemi、M. E. Ghazi、Morteza Izadifard 等 4 位作者2020-08-05Physica Scripta

Abstract Ca-doped Hexaferrites of composition Sr 1−x Ca x Fe 12 O 19 (x = 0.0, 0.05, 0.1, 0.15, and 0.2) were synthesized by the sol-gel combustion method and sintered at the two temperatures of 900 and 1100 °C. X-ray powder diffraction (XRPD) measurements with Rietveld refinement analysis confirmed the formation of p…

Multiferroics and related materialsMagnetic Properties and Synthesis of FerritesElectromagnetic wave absorption materials

Experimental Investigation of Primary De-NOx Methods Application Effects on NOx and CO Emissions from a Small-Scale Furnace

Ladislav Lukáč、Miroslav Rimár、Miroslav Variny 等 8 位作者2020-08-05Processes

Nitrogen oxides (NOx) from combustion contribute significantly to atmospheric pollution. An experimental setup was employed to investigate the application of three primary denitrification methods, i.e., reburning (staged combustion), overfiring air (OFA), and flue-gas recirculation (FGR), individually and in combinati…

Advanced Combustion Engine TechnologiesCatalytic Processes in Materials ScienceVehicle emissions and performance

Characterizing Adsorption Sites on Ag/SSZ-13 Zeolites: Experimental Observations and Bayesian Inference

Caitlin Horvatits、Jungkuk Lee、Eleni A. Kyriakidou 等 4 位作者2020-08-05The Journal of Physical Chemistry C

Three potential adsorption sites within the Ag/SSZ-13 zeolite are compared for their ethylene and water adsorption capacity. Ethylene acts as a model hydrocarbon molecule in this work to stand in for vehicle exhaust, as Ag/SSZ-13 is a candidate material for trapping vehicle emissions during cold-start. Water is also p…

Advanced Chemical Physics StudiesCatalytic Processes in Materials ScienceZeolite Catalysis and Synthesis

Design of nearly perfect hyperuniform polymeric materials

Alexandros Chremos2020-08-05The Journal of Chemical Physics

Disordered hyperuniform materials are exotic amorphous systems that simultaneously exhibit anomalous suppression of long-range density fluctuations, comparable in amplitude to that of crystals and quasi-crystalline materials, while lacking the translational order characteristic of simple liquids. We establish a framew…

Material Dynamics and PropertiesTheoretical and Computational PhysicsRheology and Fluid Dynamics Studies

Vapor deposition polymerization of synthetic rubber thin film in a plasma enhanced chemical vapor deposition reactor

Mehmet Gürsoy2020-08-05Journal of Applied Polymer Science

Abstract Rubber is one of the most commonly used industrial materials worldwide. However, there is a gap in the literature on the production of rubber thin films in nanoscale. When the rubber thin films are produced in nanoscale, they can be used in high‐tech applications where bulk rubbers have never been used before…

Surface Modification and SuperhydrophobicityDiamond and Carbon-based Materials ResearchPolymer Nanocomposite Synthesis and Irradiation

Flexible π‐Conjugated 2,5‐Diarylamino‐Terephthalates: A New Class of Mechanochromic Luminophores with Tunable Aggregation States

Zhipeng Liu、Yi Liu、Fen Qi 等 6 位作者2020-08-05Chemistry - A European Journal

The generation of different thermodynamically (meta)stable states is crucial for the development of smart solid-state luminescent materials. However, the design of luminophores with tunable aggregation states is remaining a grand challenge. Herein, we present a family of mechanochromic luminophores with tunable metast…

Molecular Sensors and Ion DetectionLuminescence and Fluorescent MaterialsSupramolecular Self-Assembly in Materials

Study on Proton-Coupled Electron Transfer in Transition Metal Complexes

Takahiko Kojima2020-08-05Bulletin of the Chemical Society of Japan

Abstract In this award account are described our achievements in proton-coupled electron transfer reactions performed by transition metal complexes. Topics include formation and reactivity of RuIV-oxo and RuIII-oxyl complexes, and hydrogen-atom transfer from substrates to RuIII-pterin complexes. Based on kinetic analy…

Porphyrin and Phthalocyanine ChemistryMetal-Catalyzed Oxygenation MechanismsCO2 Reduction Techniques and Catalysts

Development of antimicrobial whey protein‐based film containing silver nanoparticles biosynthesised by Aspergillus Niger

Arzu Çağrı-Mehmetoğlu、Elif Sezer、Sümeyye Erol2020-08-05International Journal of Food Science & Technology

Summary Applications of whey protein concentrate (WPC)‐based films have been limited in the food industry due to their poor mechanical properties. This research aims to evaluate the effect of silver nanoparticles (AgNPs) synthesised by Aspergillus niger on the mechanical and antimicrobial properties of WPC‐based films…

Nanoparticles: synthesis and applicationsNanocomposite Films for Food PackagingMicroplastics and Plastic Pollution

Collision-Induced Reductive Elimination of 1,3-Diynes from [MAu24(C≡CR)18]2– (M = Pd, Pt) Yielding Clusters of Superatoms

Shun Ito、Kiichirou Koyasu、Shinjiro Takano 等 4 位作者2020-08-05The Journal of Physical Chemistry C

We studied collision-induced dissociation (CID) processes of alkynyl-protected alloy clusters [MAu 24 (C≡CR) 18 ] 2– (M = Pd, Pt; R = 3,5-(CF 3 ) 2 C 6 H 3 ) having an icosahedral M@Au 12 (8 e ) superatomic core using mass spectrometry and density functional theory (DFT) calculations. [MAu 24 (C≡CR) 18 ] 2– underwent…

Organometallic Complex Synthesis and CatalysisNanocluster Synthesis and ApplicationsPharmacological Effects and Toxicity Studies

Cytosine-Functionalized Supramolecular Polymer-Mediated Cellular Behavior and Wound Healing

Chih‐Chia Cheng、Xiu-Jing Yang、Wen-Lu Fan 等 5 位作者2020-08-05Biomacromolecules

Physically cross-linked supramolecular polymers composed of a hydrophobic poly(epichlorohydrin) backbone with hydrogen-bonding cytosine pendant groups and hydrophilic poly(ethylene glycol) (PEG) side chains spontaneously self-assemble to form highly controlled, reversible supramolecular polymer networks (SPNs) because…

Electrospun Nanofibers in Biomedical ApplicationsPolymer composites and self-healingPolymer Surface Interaction Studies

Electrostatic Dyakonov-like surface waves supported by metallic nanowire-based hyperbolic metamaterials

Afshin Moradi2020-08-05Journal of the Optical Society of America B

New electrostatic (or, more accurately, quasi-electrostatic or slow electric) surface waves, i.e., electrostatic Dyakonov-like surface waves, are predicted theoretically. These surface waves are localized at the interface between a metallic nanowire-based hyperbolic metamaterial and an isotropic medium and travel alon…

Metamaterials and Metasurfaces ApplicationsPlasmonic and Surface Plasmon ResearchAcoustic Wave Phenomena Research

Preparation of macroporous hybrid monoliths via iron‐based MOFs‐stabilized CO 2 ‐in‐water HIPEs and use for β‐amylase immobilization

Chao Ma、Jide Wang、Liqin Cao2020-08-05Polymers for Advanced Technologies

The current study reports the utilization of MIL‐100(Fe) as Pickering emulsifiers to stabilize CO 2 ‐in‐water high internal phase emulsions, thereby synthesizing interconnected macroporous hybrid monoliths with adjustable pore sizes. During such a green synthesis procedure, the influences of Fe‐MOF type and content, c…

Proteins in Food SystemsPickering emulsions and particle stabilization

Experimentation and validation of basalt & jute fiber reinforced in polymer matrix hybrid composites

Goudar Santosh Gangappa、Sangeeta Kulkarni2020-08-05Materials Today Proceedings

Hybrid composite is a combination of natural fiber and synthetic fibers. Nowadays, polymer hybrid composites are extensively used in several engineering applications. Basalt fiber, because of its high tensile strength and modulus is considered with jute, as jute possess incredible antistatic properties forms a hybrid…

Natural Fiber Reinforced CompositesTribology and Wear AnalysisMechanical Engineering and Vibrations Research

Dual-Wavelength Electroluminescent QLEDs Composed of Mixed Alloyed Quantum Dots

Shuan Yang、Kuo‐Yang Lai、Chang‐Wei Yeh 等 6 位作者2020-08-05ACS Applied Nano Materials

Abstract Feasible electroluminescent quantum dot light-emitting diodes (QLEDs) fabricated by a single spin coating of dual monochromatic alloyed quantum dots (QDs) were investigated and compared in this study. All the devices were fabricated in the same structure of indium tin oxide/poly­(3,4-ethylenedioxythiophene) p…

Perovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesCarbon and Quantum Dots Applications

Rise time-based phosphor thermometry using Mg 4 FGeO 6 :Mn 4+

Tao Cai、Yoonseong Park、Shabnam Mohammadshahi 等 4 位作者2020-08-05Measurement Science and Technology

Abstract The rise time method is a time-resolved temperature measurement technique based on phosphorescence. Its short measurable time and high uncertainty limit its application. In this study, a long-term excitation on the millisecond level was used on the phosphor Mg 4 FGeO 6 :Mn 4+ to realize a low uncertainty rise…

Luminescence Properties of Advanced MaterialsGas Sensing Nanomaterials and SensorsTransition Metal Oxide Nanomaterials

Influence of particle size and glassy carbon content on the thermal, mechanical, and electrical properties of PHBV /glassy carbon composites

Leonardo de Souza Vieira、Larissa Stieven Montagna、Juliano Marini 等 4 位作者2020-08-05Journal of Applied Polymer Science

Abstract Glassy carbon (GC) constitutes a promising carbonaceous material that can be employed as an antistatic agent in the development of antistatic packaging used in the electronics industry. Thus, the present work aims at developing biodegradable and antistatic packaging from poly(hydroxybutyrate‐co‐hydroxyvalerat…

Polymer crystallization and propertiesbiodegradable polymer synthesis and properties

The effects of enzymatically aided acid‐swelling process on gelatin extracted from fish by‐products

Marzieh Moosavi‐Nasab、Marzieh Yazdani-Dehnavi、Armin Mirzapour‐Kouhdasht2020-08-05Food Science & Nutrition

Abstract The objective of this study was to investigate the effects of the enzymatic aided acid‐swelling process on gelatin obtained from fish by‐products. For this purpose, gelatin was extracted by an acidic swelling procedure in the presence of protease extracted from Rainbow trout pyloric caeca. The yield of gelati…

Meat and Animal Product QualityProtein Hydrolysis and Bioactive PeptidesCollagen: Extraction and Characterization

The Fe4+/3+ Redox Mechanism in NaFeO2: A Simultaneous Operando Nuclear Resonance and X‐ray Scattering Study

Marcus Fehse、Dimitrios Bessas、Abdelfattah Mahmoud 等 7 位作者2020-08-05Batteries & Supercaps

Abstract Simultaneous operando Nuclear Forward Scattering and transmission X‐ray diffraction and 57Fe Mössbauer spectroscopy measurements were carried out in order to investigate the electrochemical mechanism of NaFeO2 vs. Na metal using a specifically designed in situ cell. The obtained data were analysed using an al…

Nuclear materials and radiation effectsX-ray Diffraction in CrystallographyCrystallography and Radiation Phenomena

Layer‐dependent and light‐tunable surface potential of two‐dimensional indium selenide (InSe) flakes

Yuhao Li、Chuang-Bin Yu、Zhi Li 等 7 位作者2020-08-05Rare Metals

Abstract As a fundamental surface property of two‐dimensional (2D) materials, surface potential is critical for their emerging electronic applications and essential for van der Waals heterostructure engineering. Here, we report the surface potential of few‐layer InSe. The effect of layer count, light intensity and dif…

Graphene research and applications2D Materials and ApplicationsAdvanced Thermoelectric Materials and Devices

Hierarchical Assembly of Gold Nanoparticles on Graphene Nanoplatelets by Spontaneous Reduction: Implications for Smart Composites and Biosensing

Yixin Ren、Rahul Rao、Shusil Bhusal 等 9 位作者2020-08-05ACS Applied Nano Materials

Abstract The uniform decoration of plasmonic nanoparticles for example, gold nanoparticles (AuNPs) on graphene sheets, can potentially lead to hybrid materials with unique photothermal responses, which are attractive for use in applications such as optoelectronic devices, smart polymer composites, sensing, and catalys…

Graphene research and applicationsGold and Silver Nanoparticles Synthesis and ApplicationsGraphene and Nanomaterials Applications