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1,934 Newest Publications about the topic solution

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pH value manipulated phase transition, microstructure evolution and tunable upconversion luminescence in Yb3+-Er3+ codoped LiYF4/YF3 nanoparticles

28-Jul-2015 | Song Ye; Rongxuan Hu; Nan Jiang; Huiyun Wang; Deping Wang, Dalton Transactions, 2015

The pH value plays an important role in controlling the crystallization process and microstructure of the final products in the synthesis of nanocrystals with solvothermal method. This work reported the effect of the mother solution pH value on the precipitation of LiYF4 and YF3 nanoparticles, as ...

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Reduction of Charge and Discharge Polarization by Cobalt Nanoparticles‐Embedded Carbon Nanofibers for Li–O2 Batteries

24-Jul-2015 | Yun‐Jung Kim, Hongkyung Lee, Dong Jin Lee, Jung‐Ki Park, Hee‐Tak Kim, ChemSusChem, 2015

The Cover picture shows a possible solution to the low round‐trip efficiencies of Li–O2 batteries (the most promising next‐generation battery) owed to the poor reversibility of the formation of the discharge product Li2O2 and the associated high polarization potentials. This can be achieved by ...

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ChemInform Abstract: Non‐aqueous Sol—Gel Synthesis of Ultra Small Persistent Luminescence Nanoparticles for Near‐Infrared in vivo Imaging.

24-Jul-2015 | Eliott Teston, Sophie Richard, Thomas Maldiney, Nicole Lievre, Guillaume Yangshu Wang, Laurence Motte, Cyrille Richa ..., ChemInform, 2015

Abstract ZnGa2O4:Cr3+ (5 mol%) nanoparticles of 6 nm are prepared by a microwave‐assisted non‐aqueous sol‐gel method starting with microwave heating of ZnII‐, GaIII, and CrIII‐2,4‐pentanedionate monohydrates in BnOH in the presence of Cr (270 °C, 30 min) followed by grafting of the as‐prepared ...

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Materials, Vol. 8, Pages 4593-4607: Engineering of Iron-Based Magnetic Activated Carbon Fabrics for Environmental Remediation

22-Jul-2015 | Haham, Hai ; Grinblat, Judith ; Sougrati, Moulay-Tahar ; Stievano, Lorenzo ; Margel, Shlomo, Materials, 2015

Magnetic Fe3O4, Fe and Fe/Pd nanoparticles embedded within the pores of activated carbon fabrics (ACF) were prepared by impregnation of the ACF in iron acetylacetanoate (Fe(acac)3) ethanol solution, followed by thermal decomposition of the embedded iron precursor at 200, 400 and 600 °C in an ...

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New Synthesis Strategies for Luminescent YVO4:Eu and EuVO4 Nanoparticles with H2O2 Selective Sensing Properties

22-Jul-2015 | Natacha Duée; Chrystel Ambard; Franck Pereira; David Portehault; Bruno Viana; Karine Vallé; Denis Autissier; Clément ..., Chemistry of Materials, 2015

Nowadays, because of safety demands, the controlled design of efficient and selective sensors for hydrogen peroxide is paramount. Therefore, we develop herein new strategies of aqueous synthesis of crystalline YVO4:Eu and EuVO4 nanoparticles based on a rigorous control of the pH and of the ...

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A New Insight into Growth Mechanism and Kinetics of Mesoporous Silica Nanoparticles by in Situ Small Angle X-ray Scattering

22-Jul-2015 | Zhifeng Yi; Ludovic F. Dumée; Christopher J. Garvey; Chunfang Feng; Fenghua She; James E. Rookes; Stephen Mudie; Dav ..., Langmuir, 2015

The growth mechanism and kinetics of mesoporous silica nanoparticles (MSNs) were investigated for the first time by using a synchrotron time-resolved small-angle X-ray scattering (SAXS) analysis. The synchrotron SAXS offers unsurpassed time resolution and the ability to detect structural changes ...

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Hyperthermia studies of ferrite nanoparticles synthesized in the presence of cotton

21-Jul-2015 | Sofia G. Mendo; André F. Alves; Liliana P. Ferreira; Maria Margarida Cruz; Maria Helena Mendonça; Margarida Godinho; ..., New Journal of Chemistry, 2015

MFe2O4 (M = Co, Fe, Mn) compounds were synthesized using hydrothermal treatment in the presence of medicinal cotton. Two sets of nanoparticles were produced for each composition and subsequently characterized by XRD, TEM and SEM. The nanoparticles obtained from the solution display the expected ...

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Fabrication of polyvinyl chloride based nanocomposite nanofiltration membrane: investigation of SDS/Al2O3 nanoparticle concentration and solvent ratio effects

21-Jul-2015 | E. Bagheripour, A. R. Moghadassi, S. M. Hosseini, Asia-Pacific Journal of Chemical Engineering, 2015

Abstract In the current research polyvinylchloride‐based nanocomposite nanofiltration membranes were prepared by using of sodium dodecyl sulfate (SDS) as additive, aluminum oxide (Al2O3) nanoparticles as inorganic filler and dimethylacetamide (DMAC)/tetrahydrofuran (THF) as solvents via phase ...

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Copper Nanowires: A Substitute for Noble Metals to Enhance Photocatalytic H2 Generation

21-Jul-2015 | Shuning Xiao; Peijue Liu; Wei Zhu; Guisheng Li; Dieqing Zhang; Hexing Li, Nano Letters, 2015

Microwave-assisted hydrothermal approach was developed as a general strategy to decorate copper nanowires (CuNWs) with nanorods (NRs) or nanoparticles (NPs) of metal oxides, metal sulfides, and metal organic frameworks (MOFs). The microwave irradiation induced local “super hot” dots generated on ...

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Interaction of Hyaluronan with Cationic Nanoparticles

20-Jul-2015 | Fouzia Bano; Mónica Carril; Paolo Di Gianvincenzo; Ralf P. Richter, Langmuir, 2015

The polysaccharide hyaluronan (HA) is a main component of peri- and extracellular matrix, and an attractive molecule for materials design in tissue engineering and nanomedicine. Here, we study the morphology of complexes that form upon interaction of nanometer-sized amine-coated gold particles ...

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