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Modulating structure and properties in organic chromophores: influence of azulene as a building block

Masahito Murai、Sung-Yu Ku、Neil D. Treat 等 6 位作者2014-01-01Chemical Science

The properties of isomeric azulene derivatives, substituted through the 5-membered ring, were examined using a combination of experimentation and theoretical calculations for a series of well-defined electroactive oligomers.

Organic Electronics and PhotovoltaicsSynthesis and Properties of Aromatic CompoundsPhotochromic and Fluorescence Chemistry

[Cu(bpy)(P^P)] + containing light-emitting electrochemical cells: improving performance through simple substitution

Sarah Keller、Edwin C. Constable、Catherine E. Housecroft 等 9 位作者2014-01-01Dalton Transactions

Light-emitting electrochemical cells (LECs) containing [Cu(POP)(N^N)][PF6] (POP = bis(2-diphenylphosphinophenyl)ether, N^N = 6-methyl- or 6,6'-dimethyl-2,2'-bipyridine) exhibit luminance and efficiency surpassing previous copper(I)-containing LECs.

Organic Light-Emitting Diodes ResearchMagnetism in coordination complexesMolecular Junctions and Nanostructures

What can pK a and NBO charges of the ligands tell us about the water and thermal stability of metal organic frameworks?

Ping Lu、Yong Wu、Hong Seok Kang 等 6 位作者2014-01-01Journal of Materials Chemistry A

The p K a 1 values and NBO charges of 32 carboxylate ligands and 31 N -heterocyclic ligands were calculated at 298.15 K with the B3LYP/6-31+G(d,p) level of calculations, which are useful to understand the water and thermal stability of Metal–Organic Frameworks (MOFs).

Metal-Organic Frameworks: Synthesis and ApplicationsCrystallography and molecular interactionsThermal and Kinetic Analysis

Bubbles and foams in microfluidics

Axel Huerre、Vincent Mirallès、Marie-Caroline Jullien2014-01-01Soft Matter

Microfluidics offers great tools to produce highly-controlled dispersions of gas into liquid, from isolated bubbles to organized microfoams. Potential technological applications are manifold, from novel materials to scaffolds for tissue engineering or enhanced oil recovery. More fundamentally, microfluidics makes it p…

Microfluidic and Capillary Electrophoresis ApplicationsInnovative Microfluidic and Catalytic Techniques InnovationPickering emulsions and particle stabilization

Composition-controlled synthesis of carbon-supported Pt–Co alloy nanoparticles and the origin of their ORR activity enhancement

Yige Zhao、Jingjun Liu、Yanhui Zhao 等 4 位作者2014-01-01Physical Chemistry Chemical Physics

The ability to precisely tune the chemical compositions and electronic structures of nanoalloy catalysts is essential to achieve the goals of high activity and selectivity for the oxygen reduction reaction (ORR) on the catalysts by design. In this work, we synthesized carbon-supported Pt-Co alloy nanoparticles with co…

Electrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceCatalysis and Hydrodesulfurization Studies

Ag incorporated nano BiPO4: sonochemical synthesis, characterization and improved visible light photocatalytic properties

M. H. Fulekar、Anamika Singh、Dimple P. Dutta 等 6 位作者2014-01-01RSC Advances

We report an efficient route for the sonochemical synthesis of undoped BiPO4, Ag3PO4 and silver doped BiPO4:Ag(x%) (x = 2, 5, 10 and 20) nanostructures using bismuth/silver nitrate and ammonium dihydrogen phosphate as precursors. The products obtained have been characterized using X-ray diffraction (XRD), scanning ele…

TiO2 Photocatalysis and Solar CellsAdvanced Photocatalysis TechniquesLuminescence Properties of Advanced Materials

Physiological and Biochemical Changes inBrassica junceaPlants under Cd-Induced Stress

Dhriti Kapoor、Satwinderjeet Kaur、Renu Bhardwaj2014-01-01BioMed Research International

Plants of Brassica juncea L. var. RLC-1 were exposed for 30 days to different concentrations (0, 0.2, 0.4, and 0.6 mM) of cadmium (Cd) to analyze the Cd uptake, H2O2 content, hormonal profiling, level of photosynthetic pigments (chlorophyll, carotenoid, and flavonoid), gaseous exchange parameters (photosynthetic rate,…

Plant Stress Responses and ToleranceNanoparticles: synthesis and applicationsHeavy Metals in Plants

Formation–structure–properties of niobium-oxide nanocolumn arrays via self-organized anodization of sputter-deposited aluminum-on-niobium layers

Alexander Mozalev、Rosa M. Vázquez、Carla Bittencourt 等 7 位作者2014-01-01Journal of Materials Chemistry C

Nanostructured niobium oxide (NO) semiconductors are gaining increasing attention as electronic, optical, and electro-optic materials. However, the preparation of stable NO nanofilms with reproducible morphology and behavior remains a challenge. Here we show a rapid, well-controlled, and efficient way to synthesize NO…

ZnO doping and propertiesSemiconductor materials and devicesAnodic Oxide Films and Nanostructures

Effects of surface tension on the adhesive contact of a rigid sphere to a compliant substrate

Xuejuan Xu、Anand Jagota、Chung‐Yuen Hui2014-01-01Soft Matter

In problems of indentation of an elastic half-space by a rigid sphere, the effects of surface tension outside the contact zone are not accounted for by classical theories of contact mechanics. However surface tension plays a dominant role in determining the mechanics of this adhesive contact when the half-space become…

Surface Modification and SuperhydrophobicityTribology and Lubrication EngineeringAdhesion, Friction, and Surface Interactions

In-doped Bi2Se3 hierarchical nanostructures as anode materials for Li-ion batteries

Guang Han、Zhi‐Gang Chen、Delai Ye 等 7 位作者2014-01-01Journal of Materials Chemistry A

In-doped Bi2Se3 hierarchical nanostructures have been synthesized by an in situ cation exchange route from their template of In3Se4 nanostructures. Through detailed structural, chemical, and morphological characterizations, it has been found that, after the cation exchange, the In-doped Bi2Se3 hierarchical nanostructu…

Advancements in Battery Materials2D Materials and ApplicationsTopological Materials and Phenomena

High internal phase emulsion gels (HIPE-gels) prepared using food-grade components

Ashok R. Patel、Ysamar Rodriguez、Ans Lesaffer 等 4 位作者2014-01-01RSC Advances

We report a new approach of using dispersed water phase gelation as a mode to create oil continuous emulsion gels. Low temperature gelation property of synergistic hydrocolloid combinations was exploited to develop elastic soft solids using only food-grade components.

Proteins in Food SystemsPickering emulsions and particle stabilizationFood Chemistry and Fat Analysis

Selective oxidation of cyclohexene to adipic acid over silver supported tungsten oxide nanostructured catalysts

Shilpi Ghosh、Shankha S. Acharyya、Shubhadeep Adak 等 6 位作者2014-01-01Green Chemistry

We have developed a new synthesis strategy to prepare ∼5 nm metallic silver nanoparticles (AgNPs) supported on tungsten oxide (WO3) nanorods with diameters between 40 and 60 nm in the presence of a cationic surfactant, cetyltrimethylammonium bromide (CTAB). The catalyst was characterized by XRD, XPS, ICP-AES, FT-IR, R…

Catalytic Processes in Materials ScienceTransition Metal Oxide NanomaterialsCatalysis and Oxidation Reactions

INHIBIT logic operations based on light-driven β-cyclodextrin pseudo[1]rotaxane with room temperature phosphorescence addresses

Jingjing Cao、Xiang Ma、Mingri Min 等 6 位作者2014-01-01Chemical Communications

INHIBIT logic gates based on light-driven β-cyclodextrin pseudo[1]rotaxane were conveniently fabricated in aqueous solution utilizing induced circular dichroism (ICD) and photocontrolled reversible room temperature phosphorescence (RTP) as output addresses respectively.

Molecular Sensors and Ion DetectionSupramolecular Chemistry and ComplexesLuminescence and Fluorescent Materials

Inorganic–organic hybrid NiO–g-C 3 N 4 photocatalyst for efficient methylene blue degradation using visible light

Haiyu Chen、Ling‐Guang Qiu、Juan‐Ding Xiao 等 6 位作者2014-01-01RSC Advances

Hybrid NiO–g-C 3 N 4 photocatalyst shows excellent photostability and enhanced visible-light-driven activity for MB degradation. The improved activity is attributed to the effective separation of charge carriers.

Advanced Photocatalysis TechniquesZnO doping and propertiesGa2O3 and related materials

Generation and Composition of Municipal Solid Waste (MSW) in Muscat, Sultanate of Oman

Thenmozhi Murugaian Palanivel、Hameed Sulaiman2014-01-01APCBEE Procedia

The success of waste management requires accurate data on generation and composition of waste which is pivotal for the decisions towards the appropriate waste management system. At present there is no data available on Municipal Solid Waste (MSW) generation and composition collected systematically in Oman. Hence, this…

Concrete and Cement Materials ResearchLandfill Environmental Impact StudiesEngineering and Material Science Research

Synthesis of monolayer platinum nanosheets

Asami Funatsu、Hikaru Tateishi、Kazuto Hatakeyama 等 8 位作者2014-01-01Chemical Communications

Platinum (Pt) nanosheets were developed by exfoliating layered platinum oxide. Moreover, we succeeded in synthesizing monolayer Pt nanosheets for the first time by adjusting the conditions for reduction. Monolayer Pt nanosheets were highly active in oxygen reduction reaction.

Electrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceSemiconductor materials and devices