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Now showing items 11-20 of 1954
Room-temperature luminescence of AgBr quantum dots
(Chemical Physics Letters, 1999)
A new method for the preparation of 25 Angstrom AgBr quantum dots has been developed. The room-temperature emission of size-restricted AgBr crystallites was observed. The emission spectrum of 25 Angstrom AgBr quantum dots ...
Study of Simultaneous Radionuclide Sorption by Mixture Design Methodology
(Industrial and Engineering Chemistry Research, 2015)
The problem of simultaneous removal of Co2+, Sr2+, and Cs+ ions from aqueous solutions was addressed using oxide, phosphate, and aluminosilicate materials from economical and abundant sources. Competition between cations ...
Coordinate and redox interactions of epinephrine with ferric and ferrous iron at physiological pH
(Scientific Reports, 2018)
Coordinate and redox interactions of epinephrine (Epi) with iron at physiological pH are essential for understanding two very different phenomena - the detrimental effects of chronic stress on the cardiovascular system and ...
Changes of hydrogen storage properties of MgH2 induced by boron ion irradiation
(International Journal of Hydrogen Energy, 2011)
MgH2 powder samples have been irradiated with 45 key B3+ ions with different ion fluencies ranging from 10(12) to 10(16) ions/cm(2). Irradiation effects have been estimated by SRIM calculations. To characterize induced ...
Theoretical analysis of a Mach-Zehnder interferometer with a porous-film waveguide
(Journal of Optics, 2015)
Here we present a comprehensive theoretical study of a porous-film sensor of fluid in Mach-Zehnder configuration. It is found that the penetration of a fluid into the film pores causes amplitude and phase modulation of the ...
Interstitial hydrogen in Laves phases - local electronic structure modifications from first-principles
(RSC Advances, 2014)
Understanding the microscopic aspect of the hydride formation process provides an insight into the experimentally observed properties of prospective hydrogen storage materials. In this paper, we have studied the local ...
Hydrogen diffusion in MgH2 doped with Ti, Mn and Fe
(RSC Advances, 2015)
Incorporation of suitable dopants in MgH2 is widely investigated as the way of improving hydrogen storage characteristics of this material. The catalytic role of transition metal dopants on hydrogen desorption from MgH2 ...
Structure, chemisorption properties and electrocatalysis by Pd3Au overlayers on tungsten carbide - A DFT study
(International Journal of Hydrogen Energy, 2015)
Tungsten carbide (WC) is in the focus of current research as a suitable electrocatalyst support. Typically, supported monometallic system are investigated, in spite the fact that practice in catalysis shows that multimetallic ...
Catalytic activity of titania polymorphs towards desorption reaction of MgH2
(International Journal of Hydrogen Energy, 2016)
Hydrogen desorption properties of MgH2 ball milled with two different TiO2 polymorphs, rutile and anatase, were studied. Structural characterization has been done by X-ray diffraction (XRD) analysis, particle size analysis ...
The influence of beta-FeOOH nanorods on the thermal stability of poly (methyl methacrylate)
(Polymer Degradation and Stability, 2007)
Colloidal dispersions consisting of beta-FeOOH nanorods with three different aspect ratios (4, 75 and 120) were synthesized using thermal hydrolysis of FeCl3 solutions. After surface modification with oleic acid, the ...