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A red phosphor BaTiF 6 :Mn 4+ : reaction mechanism, microstructures, optical properties, and applications for white LEDs

Xianyu Jiang、Zhen Chen、Shaoming Huang 等 5 位作者2014-01-01Dalton Transactions

Red phosphors BaTiF6:Mn(4+) with microrod and polyhedron morphologies have been prepared respectively by etching TiO2 and Ti(OC4H9)4 in a HF solution with an optimized concentration of KMnO4 at 1.5 mmol L(-1) in hydrothermal conditions. The red phosphor BaTiF6:Mn(4+) exhibits a broad excitation band in the blue region…

Advanced Photocatalysis TechniquesLuminescence Properties of Advanced MaterialsMicrowave Dielectric Ceramics Synthesis

Nitrogen-doped activated carbons derived from a co-polymer for high supercapacitor performance

Akram Alabadi、Xinjia Yang、Zehua Dong 等 5 位作者2014-01-01Journal of Materials Chemistry A

Nitrogen-doped activated carbons (N-ACs) with controlled nitrogen doping and analogous microporous structures were prepared by pyrolysis of poly[(pyrrole-2,5-diyl)- co -(benzylidene)] (PPCB).

Supercapacitor Materials and FabricationFuel Cells and Related MaterialsConducting polymers and applications

Multifunctional water-soluble luminescent carbon dots for imaging and Hg 2+ sensing

Yanling Zhai、Zhijun Zhu、Chengzhou Zhu 等 6 位作者2014-01-01Journal of Materials Chemistry B

We propose an ingenious method for large-scale fabrication of water-soluble photoluminescent carbon dots (CDs) by a one-step microwave route in the presence of citric acid and ethylenediamine.

Advanced biosensing and bioanalysis techniquesCarbon and Quantum Dots ApplicationsNanocluster Synthesis and Applications

Activity of ZnO polar surfaces: an insight from surface energies

Chunguang Tang、Michelle J. S. Spencer、Amanda S. Barnard2014-01-01Physical Chemistry Chemical Physics

The calculation of the accurate surface energies for (0001) surfaces of wurtzite ZnO is difficult because it is impossible to decouple the two inequivalent (0001)-Zn and (0001¯)-O surfaces. By using a heterojunction model we have transformed the uncertainty of the surface energies into that of interface energies which…

ZnO doping and propertiesGas Sensing Nanomaterials and SensorsElectronic and Structural Properties of Oxides

Effect of Relative Humidity on Corrosion of Steel under Sea Salt Aerosol Proxies

Eric John Schindelholz、Bailey Risteen、Robert G. Kelly2014-01-01Journal of The Electrochemical Society

This paper is the first of two that examine the relationship between relative humidity, the hygroscopic behavior of sea salt aerosol proxies, and the atmospheric corrosion of mild steel contaminated with them. Here, the association between the deliquescence phase transitions (solid-aqueous) of a single salt, NaCl, and…

Corrosion Behavior and InhibitionConcrete Corrosion and DurabilityConservation Techniques and Studies

Electrospun membranes: control of the structure and structure related applications in tissue regeneration and drug delivery

Haiyan Li、Yachen Xu、He Xu 等 4 位作者2014-01-01Journal of Materials Chemistry B

This article presents an overview focusing on the structural control of electrospun membranes on a multilevel scale ranging from the morphology of single nanofibers to the packing and alignment of nanofibers and the patterns and shapes of fibrous scaffolds. The typical structures of electrospun membranes and the speci…

Conducting polymers and applicationsElectrospun Nanofibers in Biomedical ApplicationsPolymer Surface Interaction Studies

Curcumin and 5-Fluorouracil-loaded, folate- and transferrin-decorated polymeric magnetic nanoformulation: a synergistic cancer therapeutic approach, accelerated by magnetic hyperthermia

D. Sakthi Kumar、Balasubramanian、Ravindran Girija 等 9 位作者2014-01-01International Journal of Nanomedicine

The efficient targeting and therapeutic efficacy of a combination of drugs (curcumin and 5-Fluorouracil [5FU]) and magnetic nanoparticles encapsulated poly(D,L-lactic-co-glycolic acid) nanoparticles, functionalized with two cancer-specific ligands are discussed in our work. This multifunctional, highly specific nanoco…

Nanoparticle-Based Drug DeliveryCurcumin's Biomedical ApplicationsCancer, Lipids, and Metabolism

Inkjet patterned superhydrophobic paper for open-air surface microfluidic devices

Mohamed Elsharkawy、Thomas M. Schutzius、Constantine M. Megaridis2014-01-01Lab on a Chip

We present a facile approach for the fabrication of low-cost surface biomicrofluidic devices on superhydrophobic paper created by drop-casting a fluoroacrylic copolymer onto microtextured paper. Wettability patterning is performed with a common household printer, which produces regions of varying wettability by simply…

Surface Modification and SuperhydrophobicityNanomaterials and Printing TechnologiesElectrowetting and Microfluidic Technologies

Modulation of the electronic and spectroscopic properties of Zn(ii) phthalocyanines by their substitution pattern

Sevinc Zehra Topal、Ümit İşçi、Ufuk Kumru 等 12 位作者2014-01-01Dalton Transactions

Four isomerically pure octasubstituted zinc phthalocyanines with variations in the attachment atom and positions of the substituents were selected for a systematic investigation of the effect of the substitution pattern on their electronic and spectroscopic properties. Effects which were investigated are the position,…

Porphyrin and Phthalocyanine ChemistryPhotochemistry and Electron Transfer StudiesPhotochromic and Fluorescence Chemistry

Superwetting hierarchical porous silica nanofibrous membranes for oil/water microemulsion separation

Shan Yang、Yang Si、Qiuxia Fu 等 8 位作者2014-01-01Nanoscale

Novel flexible, thermally stable and hierarchical porous silica nanofibrous membranes with superhydrophilicity and underwater superoleophobicity were prepared by a facile in situ synthesis method, which can effectively separate oil-in-water microemulsions solely driven by gravity, with an extremely high flux of 2237 L…

Surface Modification and SuperhydrophobicityPickering emulsions and particle stabilizationFluid Dynamics and Thin Films

Luminescent carbon nanoparticles: effects of chemical functionalization, and evaluation of Ag+ sensing properties

Manuel Algarra、Bruno B. Campos、Ksenija Radotić 等 8 位作者2014-01-01Journal of Materials Chemistry A

Luminescent carbon-based nanoparticles, addressed as carbon dots (CDs), were synthesized at relatively low temperature from lactose following an easy and inexpensive procedure. Modification of their surface was done by functionalization with mercaptosuccinic acid (MSA) (CDs–MSA). Transmission electron microscopy image…

Heavy Metal Exposure and ToxicityCarbon and Quantum Dots ApplicationsNanocluster Synthesis and Applications

Graphene oxide for cellulose hydrolysis: how it works as a highly active catalyst?

Xiaochen Zhao、Jia Wang、Cheng‐Meng Chen 等 6 位作者2014-01-01Chemical Communications

Graphene oxide (GO-ene), the two-dimensional carbon lattice decorated by abundant oxygen functionalities, is demonstrated as an efficient green catalyst towards selective hydrolysis of cellulose to glucose. The synergy of its carboxylic/phenolic groups and its layered, soft structure rendered GO-ene superior hydrolyti…

Supercapacitor Materials and FabricationAdvanced Cellulose Research StudiesCatalysis for Biomass Conversion

Thermal conductivities, mechanical and thermal properties of graphite nanoplatelets/polyphenylene sulfide composites

Junwei Gu、Junjie Du、Jing Dang 等 6 位作者2014-01-01RSC Advances

Functionalized pristine graphite nanoplatelets (fGNPs) by methanesulfonic acid/isopropyltrioleictitanate (MSA/NDZ-105) are used to fabricate fGNPs/polyphenylene sulfide (fGNPs/PPS) composites by mechanical ball milling followed by a compression molding method.

Graphene research and applicationsThermal properties of materialsFiber-reinforced polymer composites

Pyrolysis kinetics and thermal decomposition behavior of polycarbonate - a TGA-FTIR study

Esin Apaydın Varol、Sevgi Polat、Ayşe Eren Pütün2014-01-01Thermal Science

This study covers the thermal degradation of polycarbonate by means of Thermogravimetric Analyzer coupled with Fourier transform infrared spectrometer (TGA-FTIR). Thermogravimetric analysis of polycarbonate was carried out at four different heating rates of 5, 10, 15, and 20?C per minute from 25?C to 1000?C under nitr…

Thermochemical Biomass Conversion ProcessesPolymer crystallization and propertiesThermal and Kinetic Analysis