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The Role of Graphene‐Based Derivative as Interfacial Layer in Graphene/n‐Si Schottky Barrier Solar Cells

Giuliana Faggio、Giuliana Faggio、L. Lancellotti 等 10 位作者2018-12-21physica status solidi (a)

Schottky‐barrier solar cells (SBSCs) represent low‐cost candidates for photovoltaics applications. The engineering of the interface between absorber and front electrode is crucial for reducing the dark current, blocking the majority carriers injected into the electrode, and reducing surface recombination. The presence…

Silicon Nanostructures and PhotoluminescenceNanowire Synthesis and ApplicationsSemiconductor materials and interfaces

Unexpected Behavior of the InSb Alloy in Mg-Ion Batteries: Unlocking the Reversibility of Sb

Lucie Blondeau、Eddy Foy、H. Khodja 等 4 位作者2018-12-21The Journal of Physical Chemistry C

Electrochemical behavior and performance of negative electrodes in metal batteries can be modified and improved by combining different elements. Herein, a beneficial coupling of In and Sb in the alloying reaction with Mg was considered through the preparation of the InSb alloy by mechanochemical synthesis. Despite a s…

Advancements in Battery MaterialsAdvanced Battery Materials and TechnologiesMXene and MAX Phase Materials

Nonlinear Atom-Plasmon Interactions Enabled by Nanostructured Graphene

Joel D. Cox、F. Javier Garcı́a de Abajo2018-12-21Physical Review Letters

Electrically tunable graphene plasmons are anticipated to enable strong light-matter interactions with resonant quantum emitters. However, plasmon resonances in graphene are typically limited to infrared frequencies, below those of optical excitations in robust quantum light sources and many biologically interesting m…

Quantum Information and CryptographyGold and Silver Nanoparticles Synthesis and ApplicationsPlasmonic and Surface Plasmon Research

Insight into the Synthesis Process of an Industrial Ziegler?Natta Catalyst

Antoine Klaue、Matthias Kruck、Nic Friederichs 等 6 位作者2018-12-21Industrial & Engineering Chemistry Research

Abstract In Ziegler?Natta catalysis, the catalyst particle size has a strong influence not only on catalyst performance but also on the morphology and particle size distribution of the final polymer particles. Fundamental insight into the catalyst particle formation process is therefore of industrial importance when a…

biodegradable polymer synthesis and propertiesExtraction and Separation ProcessesNanomaterials for catalytic reactions

Effects of dielectric barrier discharge plasma treatments on the performance of poplar plywood produced with UF resins of different molar ratios

Hui Wang、Zhigang Duan、Feng Wang 等 5 位作者2018-12-21BioResources

Poplar veneers were treated with dielectric barrier discharge (DBD) plasma at atmospheric pressure, and the effects on the veneer surface feature were explored. The bonding strength of poplar plywood glued with different urea-formaldehyde resins of varying molar ratios was also investigated. The wettability and resin…

Wood Treatment and PropertiesNatural Fiber Reinforced CompositesLignin and Wood Chemistry

Synthesis of mesoporous strontium titanate by molten salt assisted template‐free method

He Yu、Yicheng Zhao、Shicheng Yan 等 4 位作者2018-12-21Journal of the American Ceramic Society

Abstract Mesoporous SrTiO 3 was synthesized via the Na OH / KOH molten salt method. The detailed formation mechanism for the mesoporous SrTiO 3 should be obtained to adjust the microstructure, which is an import factor affecting the photocatalytic activity. The detailed mechanism is explored by studying the intermedia…

Advanced Photocatalysis TechniquesLayered Double Hydroxides Synthesis and ApplicationsElectronic and Structural Properties of Oxides

Broadband circularly polarized Fabry‐Perot antenna utilizing Archimedean spiral radiator and multi‐layer partially reflecting surface

Huy Hung Tran、Tuan Tu Le、Cong Danh Bui 等 4 位作者2018-12-21International Journal of RF and Microwave Computer-Aided Engineering

This article presents a method to design broadband circularly polarized (CP) Fabry-Perot Resonator (FPR) antenna. The proposed antenna is based on multi-layer thin dielectric slabs arranged in close proximity as a partially reflecting surface (PRS) and an Archimedean spiral as a CP radiating source. Experimental resul…

Antenna Design and AnalysisMetamaterials and Metasurfaces ApplicationsAdvanced Antenna and Metasurface Technologies

A new metallic π-conjugated carbon sheet used for the cathode of Li–S batteries

Li Zeng、Yingxiang Cai、Zhihao Xiang 等 5 位作者2018-12-21RSC Advances

hybridized carbon allotrope (PHE-graphene) and prove its thermodynamic and kinetic stability. If it is utilized to encapsulate the cathode of Li-S batteries, not only will the shuttle effect be avoided but also the electronic conductivity of the sulfur cathode will be improved significantly owing to its metallic elect…

Advancements in Battery MaterialsGraphene research and applicationsAdvanced Battery Materials and Technologies

Temperature and shear rate distributions of gas‐assisted injection molded (GAIM) polypropylene and the application in forecast of cooling time

Bin Yang、Mengya Ding、You Shi 等 11 位作者2018-12-21Journal of Applied Polymer Science

ABSTRACT An umbrella handle product of polypropylene molded by gas‐assisted injection molding (GAIM) was studied from both aspects: theoretical modeling and simulation as well asin situtemperature measurement. The simulation was primarily through the use of the commercial softwareMoldflow(version 6.1) coupled with ent…

Polymer crystallization and propertiesInjection Molding Process and PropertiesPolymer Foaming and Composites

Multifunctional TiO2/ormosils organic-inorganic hybrid films derived by a sol-gel process for photonics and UV nanoimprint applications

Xuehua Zhang、Chu Xue、Wei Zhang 等 8 位作者2018-12-21Optical Materials Express

Multifunctional TiO2/ormosils organic-inorganic hybrid films that contain azobenzene and photosensitive groups are prepared by combining a low temperature sol-gel process and a spin-coating technique. The optical waveguide and the structural properties of the hybrid films are characterized and investigated respectivel…

Photonic Crystals and ApplicationsOptical Coatings and GratingsNanofabrication and Lithography Techniques

Tunable Metamaterial with Gold and Graphene Split-Ring Resonators and Plasmonically Induced Transparency

Qichang Ma、Youwei Zhan、Weiyi Hong2018-12-21Nanomaterials

In this paper, we propose a metamaterial structure for realizing the electromagnetically induced transparency effect in the MIR region, which consists of a gold split-ring and a graphene split-ring. The simulated results indicate that a single tunable transparency window can be realized in the structure due to the hyb…

Metamaterials and Metasurfaces ApplicationsPlasmonic and Surface Plasmon ResearchPhotonic Crystals and Applications

The Effect of Scaffold Modulus on the Morphology and Remodeling of Fetal Mesenchymal Stem Cells

Abdul Jalil Rufaihah、Suganya Cheyyatraivendran、Muhammad Danial Mohd Mazlan 等 9 位作者2018-12-21Frontiers in Physiology

Hydrogel materials have been successfully used as matrices to explore the role of biophysical and biochemical stimuli in directing stem cell behavior. Here, we present our findings on the role of modulus in guiding bone marrow fetal mesenchymal stem cell (BMfMSC) fate determination using semi-synthetic hydrogels made…

Mesenchymal stem cell researchElectrospun Nanofibers in Biomedical ApplicationsTissue Engineering and Regenerative Medicine

Amphiphilic Biopolyester‐Carbon Nanotube Anode Enhances Electrochemical Activities of Microbial Fuel Cell

Hindatu Yusuf、Mohamad Suffian Mohamad Annuar、S. Ramesh 等 4 位作者2018-12-21Chemical Engineering & Technology

Abstract Hydrophobic bacterial polyhydroxyalkanoates were rendered amphiphilic by grafting with poly(ethylene glycol) methacrylate, followed by compositing with carbon nanotubes. The polymer graft composite as an anode material encouraged superior biofilm surface growth; thus enhancing electrochemical activities in mi…

Supercapacitor Materials and FabricationElectrochemical sensors and biosensorsMicrobial Fuel Cells and Bioremediation

Hochdurchsatzstrategien zur Entdeckung und Optimierung katalytischer Reaktionen

Eric S. Isbrandt、Ryan J. Sullivan、Stephen G. Newman2018-12-21Angewandte Chemie

Abstract Die homogene Katalyse stellt Chemikern zahlreiche Transformationen zur Verfügung, die einen raschen Aufbau organischer Moleküle ermöglichen. Allerdings sind diese Reaktionen komplex, da sie viele substratabhängige mechanistische Schritte erfordern, die harmonisch unter einheitlichen experimentellen Bedingunge…

Chemical Synthesis and AnalysisInnovative Microfluidic and Catalytic Techniques InnovationMachine Learning in Materials Science

Paddlewheel Complexes with Azulenes: Electronic Interaction between Metal Centers and Equatorial Ligands

Takahiro Tsuchiya、Reiya Umemura、Mutsumi Kaminaga 等 7 位作者2018-12-21ChemPlusChem

Abstract Rhodium dinuclear complexes (1‐3) with azulene moieties as equatorial ligands were obtained by reacting Rh2(OAc)4 with guaiazulene‐2‐carboxylic acid, azulene‐2‐carboxylic acid, and azulene‐1‐carboxylic acid, respectively. The molecular structures in their crystalline states were determined by X‐ray diffractio…

Supramolecular Chemistry and ComplexesPorphyrin and Phthalocyanine ChemistrySynthesis and Properties of Aromatic Compounds

Spontaneous directional motion of water molecules in single-walled carbon nanotubes with a stiffness gradient

Shuai Chen、Yuan Cheng、Gang Zhang 等 4 位作者2018-12-21Nanoscale Advances

In this paper, we propose a new nanoscale device based on carbon nanotubes (CNTs) with a stiffness gradient to create a spontaneous directional motion of water molecules, and perform molecular dynamics simulations to analyze its transport characteristics. We find that the (6, 6) CNT possesses an optimal water transpor…

Carbon Nanotubes in CompositesFuel Cells and Related MaterialsNanopore and Nanochannel Transport Studies

Quadrant-separable multi-singularity vortices manipulation by coherent superposed mode with spatial-energy mismatch

Zhensong Wan、Yijie Shen、Mali Gong 等 4 位作者2018-12-21Optics Express

We propose a new method of phase-singularities manipulation in optical vortices carrying orbital angular momentum (OAM), namely, quadrant-separable multi-singularity manipulation (QSMSM). In QSMSM, the positions of partial vortices in a quadrant region can be manipulated, while the singularities in other regions remai…

Liquid Crystal Research AdvancementsOrbital Angular Momentum in OpticsOptical Polarization and Ellipsometry

Effect of Oxidation and Protonation States on [2Fe–2S] Cluster Nitrosylation Giving {Fe(NO)2}9 Dinitrosyl Iron Complexes (DNICs)

Christine E. Schiewer、Christina S. Müller、Sebastian Dechert 等 7 位作者2018-12-21Inorganic Chemistry

The nitrosylation of biological Fe/S clusters to give protein-bound dinitrosyl iron complexes (DNICs) is physiologically important. Biomimetic studies on the reaction of synthetic [2Fe–2S] clusters with NO have so far been limited to diferric model complexes. This work now compares the nitrosylation of [2Fe–2S] cluste…

Nitric Oxide and Endothelin EffectsMagnetism in coordination complexesMetalloenzymes and iron-sulfur proteins

Selectively patterned TiO2 nanorods as electron transport pathway for high performance perovskite solar cells

Daihong Huh、Kyoung-suk Oh、Minjin Kim 等 6 位作者2018-12-21Nano Research

Organic-inorganic hybrid perovskite solar cells (PSCs) are attracting tremendous attention for new-generation photovoltaic devices because of their excellent power conversion efficiency and simple fabrication process. One of the various approaches to increase the efficiency of PSCs is to change the material or structu…

Perovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesConducting polymers and applications

[Cu II {(L ISQ )˙ − } 2 ] (H 2 L: thioether-appended o -aminophenol ligand) monocation triggers change in donor site from N 2 O 2 to N 2 O (2) S and valence-tautomerism

Amit Rajput、Anannya Saha、Suman K. Barman 等 5 位作者2018-12-21Dalton Transactions

and 2 has been assigned using density functional theory (DFT) calculations at the B3LYP-D3 level of theory. Time-dependent (TD)-DFT calculations have been performed to elucidate the origin of the observed UV-VIS-NIR absorptions.

Metal complexes synthesis and propertiesMagnetism in coordination complexesMetal-Catalyzed Oxygenation Mechanisms