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Annealing treatment improves the morphology and performance of photovoltaic devices prepared from thieno[3,4-c]pyrrole-4,6-dione-based donor/acceptor conjugated polymers and CdSe nanostructures

Chih‐Yu Kuo、Ming‐Shin Su、Guan‐Yu Chen 等 6 位作者2011-01-01Energy & Environmental Science

We have prepared photovoltaic devices based on blend films of CdSe tetrapods and the donor/acceptor conjugated polymer PDTTTPD, which comprises 2,5-di(thiophen-2-yl)thieno[3,2-b]thiophene and thieno[3,4-c]pyrrole-4,6-dione units. The AM1.5 power conversion efficiency (PCE) of a photovoltaic device containing a PDTTTPD…

Organic Electronics and PhotovoltaicsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films

Energy approach vibration analysis of nonlocal Timoshenko beam theory

Bijan Mohammadi、S.A.M. Ghannadpour2011-01-01Procedia Engineering

The aim of this paper is to present an efficient numerical method to analyze the vibration behavior of nano Timoshenko beams based on Eringen's nonlocal elasticity theory. The vibration frequencies of beams are firstly obtained using the theorem of minimum total potential energy and Chebyshev polynomial functions. The…

Numerical methods in engineeringThermoelastic and Magnetoelastic PhenomenaNonlocal and gradient elasticity in micro/nano structures

CdTe nanocrystal assemblies guided by breath figure templates

Francesco Galeotti、Wojciech Mróz、A. Bolognesi2011-01-01Soft Matter

We successfully utilized the breath figure (BF) technique to create thin polystyrene films exhibiting, on the surface, holes of a few micrometres of diameter, arranged in hexagonal packed array. Three-dimensional CdTe microporous structures have been obtained by dipping these BF films into an aqueous solution of CdTe…

Quantum Dots Synthesis And PropertiesNanowire Synthesis and ApplicationsNanofabrication and Lithography Techniques

Effect of Shielding Gas Composition on Phase Transformation and Mechanism of Pitting Corrosion of Hyper Duplex Stainless Steel Welds

Seok-Hwan Jang、Soon-Tae Kim、In-Sung Lee 等 4 位作者2011-01-01MATERIALS TRANSACTIONS

The effect of shielding gas composition on the phase transformation and the mechanism of pitting corrosion of hyper duplex stainless steel (HDSS) welds was investigated in highly concentrated chloride environments. The resistance to pitting corrosion of a HDSS tube after welding with Ar shielding gas supplemented with…

Corrosion Behavior and InhibitionHydrogen embrittlement and corrosion behaviors in metalsWelding Techniques and Residual Stresses

Ordered mesoporous NiMn2Ox with hematite or spinel structure: synthesis and application in electrochemical energy storage and catalytic conversion of N2O

Yu Ren、Zhen Ma、Peter G. Bruce2011-01-01CrystEngComm

Multi-component nanocrystalline mesoporous metal oxides have attracted considerable attention recently, but their application in energy storage and catalysis has rarely been reported. Herein, nanocrystalline mesoporous NiMn2Ox materials with ordered mesostructures and high surface areas were prepared and characterized…

Electrocatalysts for Energy ConversionSupercapacitor Materials and FabricationCatalytic Processes in Materials Science

The generation of a novel polyoxometalate-based 3D framework following picolinate-chelation of tungsten and potassium centres

Chris Ritchie、Chloë E. Miller、Colette Boskovic2011-01-01Dalton Transactions

A new polyoxometalate-based 3D framework K(5)Na[K(2){Dy(H(2)O)(3)}(2){As(2)W(19)O(68)}{WO(2)(pic)}(2)] (1) (pic = 2-picolinate), composed of picolinate-functionalised dysprosium-containing tungstoarsenates and distorted potassium-picolinate cubane units, has been synthesised from the polyoxometalate precursor [As(2)W(…

Metal-Organic Frameworks: Synthesis and ApplicationsPolyoxometalates: Synthesis and ApplicationsChemical Synthesis and Characterization

A low-dimensional molecular spin system with two steps of magnetic transitions and liquid crystal property

Hai‐Bao Duan、Xiao‐Ming Ren、Linjiang Shen 等 7 位作者2011-01-01Dalton Transactions

A low-dimensional compound [C(6)-Apy][Ni(mnt)(2)] (1, where mnt(2-) = maleonitriledithiolate, C(6)-Apy(+) = 4-amino-1-hexylpyridinium) has been designed and synthesized, which has layer arrangement of anions and cations and shows two steps of magnetic transitions. The low temperature magnetic transition has an uncommo…

Magnetism in coordination complexesOrganic and Molecular Conductors ResearchAdvanced NMR Techniques and Applications

Slow magnetic relaxation in a cobalt magnetic chain

Chen‐I Yang、Po-Hsiang Chuang、Kuang‐Lieh Lu2011-01-01Chemical Communications

A homospin ladder-like chain, [Co(Hdhq)(OAc)](n) (1; H(2)dhq = 2,3-dihydroxyquinoxaline), shows a single-chain-magnet-like (SCM-like) behavior with the characteristics of frequency dependence of the out-of-phase component in alternating current (ac) magnetic susceptibilities and hysteresis loops.

Magnetism in coordination complexesLanthanide and Transition Metal ComplexesElectron Spin Resonance Studies

Study on the growth and corrosion resistance of manganese phosphate coatings on 30CrMnMoTi alloy steel

Liang Fang、Xie Liang-bo、Jia Hu 等 5 位作者2011-01-01Physics Procedia

Due to containing some alloy elements such as chromium, 30CrMnMoTi steel is usually difficult to be phosphated. In present paper, the growth process of the phosphate coating on 30CrMnMoTi alloy steel fabricated by a high temperature manganese phosphating was investigated. The microstructure, surface morphology, compos…

Corrosion Behavior and InhibitionMetal and Thin Film MechanicsHydrogen embrittlement and corrosion behaviors in metals

Artificial luminescent protein as a bioprobe for time-gated luminescence bioimaging

Xiangyou Liu、Zhiqiang Ye、Wei Wei 等 6 位作者2011-01-01Chemical Communications

An artificial luminescent protein, apoferritin-encapsulated luminescent europium complex, has been designed/fabricated and displays good biocompatibility and long-lived luminescence, which means it can be used as a bioprobe to image living cells with a time-gated mode.

Molecular Sensors and Ion DetectionLanthanide and Transition Metal ComplexesNanocluster Synthesis and Applications

Novel sodium aluminium borohydride containing the complex anion [Al(BH4,Cl)4]−

Inge Lindemann、Roger Domènech Ferrer、Lothar Dunsch 等 9 位作者2011-01-01Faraday Discussions

The synthesis of a novel alkali-metal aluminium borohydride NaAl(BH4)xCl4-x from NaBH4 and AlCl3 using a solid state metathesis reaction is described. Structure determination was carried out using synchrotron powder diffraction data and vibrational spectroscopy. An orthorhombic structure (space group Pmn2(1)) is forme…

Hydrogen Storage and MaterialsBoron and Carbon Nanomaterials ResearchSuperconductivity in MgB2 and Alloys

Coalescence of Ag2S and Au nanocrystals at room temperature

Jianglan Qu、Hui Liu、Yifeng Wei 等 7 位作者2011-01-01Journal of Materials Chemistry

A dissolution–renucleation process leading to the coalescence of Ag2S and Au nanocrystals was demonstrated. This unique phenomenon can be applied to extract Au from quantum dot–Au hybrids or Au-containing alloys, providing an effective strategy to investigate the influence of Au on the properties of Au-containing hybr…

Gold and Silver Nanoparticles Synthesis and ApplicationsQuantum Dots Synthesis And PropertiesNanocluster Synthesis and Applications

Facile synthesis of a sulfonated carbon−silica-meso composite and mesoporous silica

Devaki Nandan、Peta Sreenivasulu、Sandeep K. Saxena 等 4 位作者2011-01-01Chemical Communications

In this study we report a novel and simple method for preparing a sulfonated carbon-silica-meso composite showing high acidity and porosity useful for transformation of bulky molecules, where glucose was used as a carbon source as well as a non-surfactant templating precursor and the resultant composite upon calcinati…

Mesoporous Materials and CatalysisCatalysis for Biomass ConversionCatalysis and Hydrodesulfurization Studies

Influence of Oxygen Surface Exchanges on OxygenSemi-Permeation through La(1−x)SrxFe(1−y)GayO3−δDense Membrane

Pierre‐Marie Geffroy、A. Vivet、J. Fouletier 等 6 位作者2011-01-01Journal of The Electrochemical Society

Because of high oxygen semi-permeation and very good chemical stability, La 0.8 Sr 0.2 Fe 0.7 Ga 0.3 O 3Àd perovskite is one of the most promising materials as a catalytic membrane reactor for hydrogen production.In this paper, oxygen semi-permeation of La 0.8 Sr 0.2 Fe 0.7 Ga 0.3 O 3Àd membranes with different archit…

Advancements in Solid Oxide Fuel CellsMagnetic and transport properties of perovskites and related materialsElectronic and Structural Properties of Oxides

Synthesis of manganese oxide nanostructures using bacterial soft templates

Hyun‐Woo Shim、Ah-Hyeon Lim、Kyung-Mi Min 等 4 位作者2011-01-01CrystEngComm

Manganese oxides with rod- and hollow-type nanostructures were prepared via bacterial templates, in a Bacillus subtilis-directed synthesis that utilized manganese oxide precursors initially prepared in a water-based system at room temperature. From diverse analyses, we observed that the obtained manganese oxide nanost…

Advancements in Battery MaterialsSupercapacitor Materials and FabricationCopper-based nanomaterials and applications

A GBH/LiBH4 coordination system with favorable dehydrogenation

Yanhui Guo、Qinfen Gu、Zhanhu Guo 等 7 位作者2011-01-01Journal of Materials Chemistry

A novel combined hydrogen storage system LiBH4/[C(NH2)3]+[BH4]− (GBH) complexes were reported. By a short time ball milling of LiBH4 and guanidinium chloride, a series of new LiBH4/GBH complexes were produced. It was found that the two potential hydrogen storage materials exhibited a mutual dehydrogenation improvement…

Hydrogen Storage and MaterialsBoron and Carbon Nanomaterials ResearchAmmonia Synthesis and Nitrogen Reduction

SERS labels for quantitative assays: application to the quantification of gold nanoparticles uptaken by macrophage cells

Vincenzo Amendola、Moreno Meneghetti、S. Fiameni 等 7 位作者2011-01-01Analytical Methods

Labels based on noble metal nanoparticles and surface enhanced Raman scattering (SERS) opened new opportunities for the ultrasensitive detection of analytes. To date, however, SERS labels were mostly used for qualitative analysis, while leaving largely unexploited their potential for ultrasensitive quantitative assays…

Nanoparticles: synthesis and applicationsGold and Silver Nanoparticles Synthesis and ApplicationsBiosensors and Analytical Detection

Magnetic and conduction properties in 1D organic radical materials: an ab initio inspection for a challenging quest

Martin Vérot、J.-B. Rota、Mikaël Képénékian 等 5 位作者2011-01-01Physical Chemistry Chemical Physics

The chemical control of magnetic and conduction properties for organic radicals is mainly based on t, the resonance integral, and U, the on-site repulsion, used in the Hubbard model. A qualitative analysis based on the competition between the kinetic and the Coulomb contribution, and the expression of the magnetic exc…

Organic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsOrganic and Molecular Conductors Research

Poly(L-lactic acid) Microfiltration Membrane Formation via Thermally Induced Phase Separation with Drying

Takaaki Tanaka、Masatou Ueno、Youhei Watanabe 等 6 位作者2011-01-01JOURNAL OF CHEMICAL ENGINEERING OF JAPAN

Microfiltration membranes of poly(L-lactic acid) (PLLA), which is a major biodegradable plastic, were prepared from PLLA–1,4-dioxane–water solutions via the thermally induced phase separation. The resulting membranes are used to retain bacterial cells and permeate protein molecules. Only 20% of the bacterial cells in…

Membrane Separation Technologiesbiodegradable polymer synthesis and propertiesElectrospun Nanofibers in Biomedical Applications

A temperature-dependent order-disorder and crystallographic phase transition in a 0D Feii spin crossover compound and its non-spin crossover Coii isomorph

T.M. Ross、Boujemaa Moubaraki、Kia S. Wallwork 等 5 位作者2011-01-01Dalton Transactions

The new dipyridylamino/triazine ligand DDE (N(2),N(2),N(4),N(4)-tetraethyl-N(6),N(6)-di(pyridin-2-yl)-1,3,5-triazine-2,4,6-triamine) has been incorporated into the mononuclear Fe(II) SCO compounds cis-[Fe(II)(NCSe)(2)(DDE)(2)] (1), cis-[Fe(II)(NCBH(3))(2)(DDE)(2)] (2), and cis-[Fe(II)(NCS)(2)(DDE)(2)] (3). Magnetic su…

Metal complexes synthesis and propertiesMagnetism in coordination complexesLanthanide and Transition Metal Complexes