Materials Literature

文献浏览

按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。

清除
第 123841 / 132113 页 · 当前展示 2,476,801–2,476,820 / 2,642,252 条匹配结果 · 摘要仅作预览

Design of Novel Inorganic−Organic Hybrid Materials Based on Iron-Chloranilate Mononuclear Complexes: Characteristics of Hydrogen-Bond-Supported Layers toward the Intercalation of Guests

Kunimitsu Nagayoshi、Md.K. Kabir、Hiroshi Tobita 等 14 位作者2002-12-07Journal of the American Chemical Society

Novel intercalation compounds constructed from the common two-dimensional hydrogen-bond-supported layers and functional guests [(H(0.5)phz)(2)[Fe(CA)(2)(H(2)O)(2)].2H(2)O](n)(1), ([Fe(Cp)(2)][Fe(CA)(2)(H(2)O)(2)])(n)(2), ([Fe(Cp*)(2)][Fe(CA)(2)(H(2)O)(2)])(n)(3), and [(TTF)(2)[Fe(CA)(2)(H(2)O)(2)]](n)(4) (H(2)CA = chl…

Metal-Organic Frameworks: Synthesis and ApplicationsMagnetism in coordination complexesLayered Double Hydroxides Synthesis and Applications

Synthesis of Free-Standing Quasi-Two-Dimensional Polymers

Abraham D. Stroock、Ravindra S. Kane、Marcus Weck 等 5 位作者2002-12-07Langmuir

This paper describes a synthesis of free-standing, 10−15-nm-thick polymer films of well-defined lateral size and shape. The three key elements of this procedure are (1) formation by microcontact printing (μCP) of a patterned, self-assembled monolayer (SAM) with hydrophobic regions (alkane-terminated) and adsorption-re…

Polymer Surface Interaction StudiesMolecular Junctions and NanostructuresNanofabrication and Lithography Techniques

Highly Oriented Gold Nanoribbons by the Reduction of Aqueous Chloroaurate Ions by Hexadecylaniline Langmuir Monolayers

Anita Swami、Ashavani Kumar、PR. Selvakannan 等 6 位作者2002-12-07Chemistry of Materials

The one-step electrostatic complexation, reduction of aqueous chloroaurate ions and capping of the gold nanoparticles thus formed by hexadecylaniline Langmuir monolayers, is described. This process leads to the formation of highly oriented gold nanoribbons strongly bound to the Langmuir monolayer (images alongside) th…

Gold and Silver Nanoparticles Synthesis and ApplicationsElectrochemical Analysis and ApplicationsNanocluster Synthesis and Applications

Synthesis and Characterization of CdS Nanorods via Hydrothermal Microemulsion

Peng Zhang、Lian Gao2002-12-07Langmuir

ADVERTISEMENT RETURN TO ISSUEPREVNoteSynthesis and Characterization of CdS Nanorods via Hydrothermal MicroemulsionPeng Zhang and Lian GaoView Author Information State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People'…

Quantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin FilmsNanowire Synthesis and Applications

Novel Lanthanide Luminescent Materials Based on Complexes of 3-Hydroxypicolinic Acid and Silica Nanoparticles

P.C.R. Soares-Santos、Helena I. S. Nogueira、Vı́tor Félix 等 7 位作者2002-12-07Chemistry of Materials

New lanthanide complexes of 3-hydroxypicolinic acid (HpicOH) were prepared: [Ln(H 2 O)(picOH) 2 (μ-HpicO)]·3H 2 O (Ln = Eu, Tb, Er). The complexes were characterized using photoluminescence, infrared, Raman, and 1 H NMR spectroscopy, and elemental analysis. The crystal structure of [Eu(H 2 O)(picOH) 2 (μ-HpicO)]·3H 2…

Luminescence Properties of Advanced MaterialsLanthanide and Transition Metal ComplexesPolyoxometalates: Synthesis and Applications

A novel nanostructure of nickel nanotubes encapsulated in carbon nanotubes

Jianchun Bao、Keyu Wang、Zheng Xu 等 5 位作者2002-12-06Chemical Communications

A novel nanostructure of Ni nanotubes encapsulated in carbon nanotubes has been obtained via the pyrolysis of C2H2 on an array of Ni nanotubes in an alumina membrane support and a possible mechanism has been proposed.

Carbon Nanotubes in CompositesGraphene research and applicationsNanopore and Nanochannel Transport Studies

Boron, Aluminum, and Gallium Silsesquioxane Compounds, Homogeneous Models for Group 13 Element-Containing Silicates and Zeolites

Gijsbert Gerritsen、Robbert Duchateau、Rutger A. van Santen 等 4 位作者2002-12-06Organometallics

The incompletely condensed hydroxysilsesquioxanes R 7 Si 7 O 9 (OH) 3 and R 7 Si 7 O 9 (OH) 2 OSiMePh 2 (R = c -C 5 H 9, c -C 6 H 11 ) have been used to form Lewis and Brønsted acidic boron and gallium silsesquioxane compounds. Treatment of ( c -C 5 H 9 ) 7 Si 7 O 9 (OH) 3 with BI 3 in the presence of an amine yielded…

Advanced ceramic materials synthesisSynthesis and characterization of novel inorganic/organometallic compoundsSilicone and Siloxane Chemistry

Influence of solvent on size of poly(p‐oxybenzoyl) whiskers prepared from p‐acetoxybenzoic acid

Kunio Kimura、Ashim Kumer Sarker、Hideki Ohmori 等 4 位作者2002-12-06Journal of Applied Polymer Science

Abstract Poly( p ‐oxybenzoyl) (POB) crystals are prepared by the polymerization of p ‐acetoxybenzoic acid ( p ‐ABA) at 320°C in various solvents to clarify the influence of miscibility between oligomer and solvent on the morphology as well as the size of the crystal. Concerning the morphology, whiskers are formed in l…

Polymer crystallization and propertiesAdvanced Polymer Synthesis and CharacterizationSynthesis and properties of polymers

Induced crystallization of EVA having various VA contents by compressed CO2

Yeong‐Tarng Shieh、Yen‐Gu Lin2002-12-06Journal of Applied Polymer Science

Abstract The crystallization induced by compressed CO 2 was investigated for rubbery ethylene‐vinyl acetate copolymer (EVA) containing various amounts of vinyl acetate (VA). The induction of crystallization was demonstrated by appearance of shoulder‐like differential scanning calorimetry (DSC) endotherms at temperatur…

Polymer crystallization and propertiesCarbon dioxide utilization in catalysisPolymer Foaming and Composites

Size dependence of exciton–longitudinal-optical-phonon coupling inZnO/Mg0.27Zn0.73Oquantum wells

T. Makino、Kentaro Tamura、C. H. Chia 等 7 位作者2002-12-06Physical review. B, Condensed matter

We studied the photoluminescence taken at 5 K from ${\mathrm{Z}\mathrm{n}\mathrm{O}/\mathrm{M}\mathrm{g}}_{0.27}{\mathrm{Zn}}_{0.73}\mathrm{O}$ quantum wells on lattice-matched substrates which were grown by laser molecular-beam epitaxy. Well-width dependence of the coupling between localized excitons and longitudinal…

ZnO doping and propertiesGa2O3 and related materialsElectronic and Structural Properties of Oxides

Synthesis and characterization of photocrosslinkable, side‐chain, second‐order nonlinear optical poly(ester imide)s with great film‐forming ability and long‐term dipole orientation stability

Jiongxin Lu、Jie Yin2002-12-06Journal of Polymer Science Part A Polymer Chemistry

Abstract A series of photocrosslinkable, side‐chain, second‐order nonlinear optical (NLO) poly(ester imide)s (PEIs) based on a chromophore‐containing dianhydride, 2,2′‐{4‐[(4‐nitrophenyl)‐azo]phenyl}iminobis(ethyl benzene‐1,2‐dicarboxylic acid anhydride‐4‐carboxylate), benzophenone‐3,3′,4,4′‐tetracarboxylic dianhydrid…

Organic Electronics and PhotovoltaicsNonlinear Optical Materials ResearchSynthesis and properties of polymers

Reactive extrusion of polypropylene with supercritical carbon dioxide: Free radical grafting of maleic anhydride

B. M. Dorscht、Costas Tzoganakis2002-12-06Journal of Applied Polymer Science

Abstract A reactive extrusion process for the functionalization of polypropylene with maleic anhydride in the presence of supercritical carbon dioxide was studied. Supercritical carbon dioxide was used in this reactive extrusion system to reduce the viscosity of the polypropylene melt phase by forming a polymer–gas so…

Polymer crystallization and propertiesbiodegradable polymer synthesis and propertiesPolymer Foaming and Composites

Electrochemical synthesis of novel polypyrrole microstructuresElectronic supplementary information (ESI) available: Fig. S1: transmittance IR and Raman spectrum of a PPy film generated at 1.2 V. See http://www.rsc.org/suppdata/cc/b2/b209245j/

Liangti Qu、Gaoquan Shi2002-12-06Chemical Communications

Polypyrrole microstructures with unusual morphologies have been synthesized by direct electrochemical oxidation of pyrrole in beta-naphthalenesulfonic acid aqueous solution.

Organic Electronics and PhotovoltaicsConducting polymers and applicationsAnalytical Chemistry and Sensors

Density Functional Calculations of Small Anionic Clusters of Group III Nitrides

Aurora Costales、Ravindra Pandey2002-12-06The Journal of Physical Chemistry A

In this paper, we study the changes in the structural, vibrational, bonding, and electronic properties of small clusters of the group III nitrides when an electron is added to the neutral clusters. The results, based on density functional calculations, reveal that the addition of an electron induces significant struct…

Advanced Chemical Physics StudiesBoron and Carbon Nanomaterials ResearchInorganic Chemistry and Materials

Predictive crystallization of ribonuclease A via rapid screening of osmotic second virial coefficients

Peter M. Tessier、Harvey R. Johnson、Rajesh Pazhianur 等 8 位作者2002-12-06Proteins Structure Function and Bioinformatics

Important progress has been made in recent years toward developing a molecular-level understanding of protein phase behavior in terms of the osmotic second virial coefficient, a thermodynamic parameter that characterizes pairwise protein interactions. Yet there has been little practical application of this knowledge t…

Protein Structure and DynamicsEnzyme Structure and FunctionCrystallization and Solubility Studies

Effects of Humic Substances on the Pattern of Oxidation Products of Pentachlorophenol Induced by a Biomimetic Catalytic System Using Tetra(p-sulfophenyl)porphineiron(III) and KHSO5

Masami Fukushima、Hiroyasu Ichikawa、Mikio Kawasaki 等 6 位作者2002-12-06Environmental Science & Technology

In the presence of humic substances (HSs), the oxidative conversion of pentachlorophenol (PCP) was found to be efficiently catalyzed by tetra(p-sulfophenyl)porphineiron(III) (Fe(III)-TPPS) using KHSO5 as an oxygen donor. Ortho-tetrachloroquinone (o-TeCQ), 2-hydroxyl-nonachlorodiphenyl ether (2H-NCDE), 4-hydroxyl-nonac…

Advanced oxidation water treatmentPorphyrin and Phthalocyanine ChemistryMetal-Catalyzed Oxygenation Mechanisms

tert‐Butoxysilanols as model compounds for labile key intermediates of the sol–gel process: crystal and molecular structures of (t‐BuO)3SiOH and HO[(t‐BuO)2SiO]2H

Jens Beckmann、Dainis Dakternieks、Andrew Duthie 等 5 位作者2002-12-06Applied Organometallic Chemistry

Abstract The tert ‐butoxychlorosilanes ( t ‐BuO) 3 SiCl ( 1 ), ( t ‐BuO) 2 SiCl 2 ( 2 ), and [( t ‐BuO) 2 SiCl] 2 O ( 3 ) were prepared by the reaction of SiCl 4 or (Cl 3 Si) 2 O with t ‐BuOK. Subsequent hydrolysis afforded the tert ‐butoxysilanols ( t ‐BuO) 3 SiOH ( 4 ), ( t ‐BuO) 2 Si(OH) 2 ( 5 ), HO[( t ‐BuO) 2 SiO…

Mesoporous Materials and CatalysisPolyoxometalates: Synthesis and ApplicationsSilicone and Siloxane Chemistry

13C NMR Spectroscopy of 13C1-Labeled Octanethiol-Protected Au Nanoparticles: Shifts, Relaxations, and Particle-Size Effect

Brian S. Zelakiewicz、Angel C. de Dios、YuYe J. Tong2002-12-06Journal of the American Chemical Society

We report here an investigation of metal-ligand interactions in nanoparticles with 13C NMR, using a labeled 13C1-octanethiol, a protecting ligand for self-assembled monolayer (SAM) systems, in which close proximity of the 13C1 to the metal surface serves as an effective probe for the changing electronic environment. S…

Gold and Silver Nanoparticles Synthesis and ApplicationsNanocluster Synthesis and ApplicationsAdvanced Nanomaterials in Catalysis

Synthesis and Characterization of Polypyrrole-Coated Poly(Alkyl Methacrylate) Latex Particles

Dean Cairns、M. A. Khan、C. Perruchot 等 5 位作者2002-12-06Chemistry of Materials

Polypyrrole (PPy) has been deposited from aqueous solution onto two types of near-monodisperse poly(alkyl methacrylate) latexes and the resulting composite particles have been extensively characterized using SEM, DCP, XPS, FTIR, and electrical conductivity measurements. Poly(methyl methacrylate) (PMMA) latex is more d…

Advanced Sensor and Energy Harvesting MaterialsConducting polymers and applicationsAnalytical Chemistry and Sensors

Alumina−Pepsin Hybrid Nanoparticles with Orientation-Specific Enzyme Coupling

Ju Li、Jianquan Wang、Vasilis G. Gavalas 等 5 位作者2002-12-06Nano Letters

Hybrid alumina nanoparticles with pepsin were prepared in a controlled and efficient manner. Phosphorylated pepsin can be coupled to alumina through the interaction between phosphoserine on pepsin and the alumina surface in an orientation-specific manner. A comparison of data obtained with nanoparticles and microsized…

Advanced biosensing and bioanalysis techniquesQuantum Dots Synthesis And PropertiesPolymer Surface Interaction Studies