Materials Literature
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Fabrication of display products by low cost printing technologies such as ink jet, gravure offset lithography and flexography requires solution processable semiconductors for the backplane electronics. The products will typically be of lower performance than polysilicon transistors, but comparable to amorphous silicon…
In this study, we fabricated an anode-supported microtubular solid oxide fuel cell (SOFC) with the cell configuration (LSCF)– (CGO) cathode/CGO buffer layer/ (ScSZ) electrolyte/Ni–ScSZ anode. A power generation test of the SOFC was carried out at 0.1–0.7 MPa at . By using a wet gas mixture and air, the maximum power d…
We have investigated transparent conducting properties of using In-doped (4 at. %) zinc oxide (IZO) thin films deposited on glass substrate by pulsed DC magnetron sputtering at low processing substrate temperatures. As increase of the substrate temperature, IZO thin films with better c -axis orientations were grown in…
Using ab initio molecular dynamics simulations we demonstrate that surfaces of stoichiometric silica exhibiting non-bridging oxygen defects can be surprisingly resistant to attack by water.
Glass ceramic phosphors containing fresnoite (Ba2TiSi2O8) were prepared from glasses both within and outside the immiscibility region of the BaO-TiO2-SiO2 system by conventional melt-quenching and subsequent heat treatment. The phosphors showed blue-white photoluminescence (PL) under ultraviolet excitation, and the ef…
We have performed a femtosecond pump-probe and nanosecond flash-photolysis measurements on a new type of photochromic molecules. These photochromes incorporate an indolo[2,1-b][1,3]benzoxazine ring system which opens upon UV light excitation and closes back within a few tens of ns. The details of ring opening and spec…
Hypoeutectic cast irons containing 16 mass% and 26 mass% Cr with single additions of Ni, Cu, Mo and V as well as without alloy addition were prepared to investigate variations of micro-hardness of matrix during heat treatment. In the as-hardened state, Ni and Cu decreased the micro-hardness but Mo increased it slightl…
We present an experimental study of the photosensitive properties of a narrow bandpass filter based on a Ge(15)Sb(20)S(65) spacer fabricated by electron beam deposition. For a single layer, near the optical bandgap of this chalcogenide material, the efficiency of the photo-bleaching increases as the central wavelength…
A first-principles density functional theory study of the recently reported IrN2 and OsN2 as well as the as yet not synthesized RhN2 transition metal nitrides is presented. It is found that although IrN2 has a slight preference for the arsenopyrite structure, OsN2 prefers the marcasite structure and RhN2 has no clear…
Electrocrystallization of iodinated TTF molecules in presence of trinuclear [Mo3S7Cl6]2−cluster anions provides the first example of radical salts with halogen bonding interactions at the organic/inorganic interface.
The structure and morphology of thin In 2 O 3 films deposited on NaCl(001) single-crystal cleavage faces and thin sapphire sheets has been studied by transmission electron microscopy techniques and scanning electron microscopy. Both the substrate temperature and the nature of the substrate proved to be crucial for the…
A facile formation of nano-ring architectures of poly(9,9-di-n-decylfluorene) (PF10) on mica surfaces in a room temperature atmosphere was accomplished by evaporation-induced self-assembly from a dilute chloroform solution saturated with water (∼0.1%). AFM investigation verified that isolated rings having diameters wi…
Time-resolved line-narrowed fluorescence spectroscopy of Eu(3+) ions in a new oxyborate Na(3)La(9)O(3)(BO(3))(8) crystal shows the existence of four independent symmetry crystal field sites for the rare-earth ion. A crystal field analysis and simulation of the experimental results have been performed in order to param…
Strontium cerate (SrCeO(3)) is the parent phase of a family of prototype proton-conducting perovskites with important potential applications as electrolytes in protonic ceramic fuel cells, hydrogen-separation membranes, and sensors for hydrogen and humidity. Apparent nonstoichiometric behavior and the microstructure o…
Effective utilization of waste plastic materials is one of key technologies for environmental protection. In this work, we conducted fundamental researches on production techniques of reduced iron and H2 and CO gases from waste plastic materials (polyethylene and Refuse Derived Fuel) and iron oxide mixtures. The mixtu…
A metal-oxide-semiconductor tunneling diode is used to emit electroluminescence from a Si/Si0.2Ge0.8 heterojunction. Besides the 1.1 μm and 1.6 μm infrared emission from the band edges of Si and SiGe, respectively, 2 μm infrared emission is also observed due to the radiative recombination between the electrons in the…
Kenaf dust filled chitosan bio‐composites with various compositions of kenaf dust (i.e. 7%, 14%, 21% and 28%) were prepared using solution casting technique. The degree of relative crystallinity of the bio‐composites was determined using XRD method. Two distinguishable crystalline peaks were observed in the 2θ range o…
Our research is focused on the design of engineered biomaterials that can harness natural cellular and molecular healing pathways to enhance functional tissue regeneration. Two important considerations for tissue regeneration are induction and remodeling. Although the healing process that leads to functional regenerat…
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This article reviews recent progresses in growth mechanism,synthesis,and applications of zinc oxide nano- materials(mainly focusing on one-dimensional(1D)nanomaterials).In the first part of this article,we briefly introduce the importance,the synthesis methods and growth mechanisms,the properties and applications of Z…