Materials Literature
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Symmetric poly( l -lactide) (PLLA)-based dendritic l -lysine copolymer, with the PLLA block as the core and the lysine dendrons in the two ends, was prepared through a divergent method. The honeycomb pores on this copolymer film significantly enhanced the MC3T3-E1 cell functions.
The conversion efficiency of ZnO/Zn x Cd 1−x Se coaxial nanowire solar cells was improved by interfacial modification based on the alloy disorder effect.
Protein and DNA hydrolysis by chitosan-based biopolymer with catalytic and binding groups.
This investigation provides a distinctive view to observe how the relevant optoelectronic properties of oligomers change according to their molecular sizes.
Titanium-based functional thin films were prepared by a sputtering deposition method using a metal powder target. To determine the deposition mechanism of the resulting TiO2 thin films, the electron density and temperature of the processing plasma were investigated. The deposition rate using powder targets was 3-5 tim…
An ideal parallelogram platelet, although achiral in 3D, has an identifiable chirality when confined in a 2D monolayer. We lithographically fabricate microscale parallelogram platelets, disperse them in an aqueous surfactant solution, and allow them to settle towards a lower glass wall. To reduce the thermal-gravitati…
New alternating copolymers based on benzo[1,2- b :4,5- b ′]-dithiophene and thieno[3,4- d ]thiazole derivatives have been synthesized and their optical, electrochemical and photovoltaic properties were studied.
The development of a dense chemical reaction blocking layer (CRBL) for micro-tubular solid oxide fuel cells (SOFC) was the aim of this study. The electrochemical performance and stability of SOFCs were also investigated since they strongly depend on fabrication conditions for the electrolyte and CRBL layers. Slurries…
In the article the brickwork joints effect on the thermotechnical uniformity parameters of the walls of gas-concrete blocks are considered. The additional thermal energy losses through joint masonry are calculated.The recommendations to reduce the brickwork joints effect on thermotechnical uniformity of external enclo…
Fabrication routes for new SOEC mesoporous nanocomposite materials as electrodes are presented in this paper. NiO-CGO and SDC-SSC are described as possible new materials and their synthesis and the cell fabrication are discussed. The obtained materials are microstructurally characterised by SEM, TEM and XRD, where the…
Hydrogen behavior in oxides has triggered much interest for its scientific and technological importance in a wide range of research fields from novel ion conductors to astrochemistry. Here, we report a giant conductivity enhancement in ZnFe2O4 ferrite insulators to the metallic state by over eleven orders of magnitude…
A facile approach was successfully developed to synthesize uniform and monodisperse silver nanoparticles with hyperbranched macromolecules as templates. This strategy would have enormous potential for flexible electronics and biosensors.
This research focused on the fabrication of dye-sensitized solar cell based on a photoanode of carbon nanotube/titanium dioxide (CNT/TiO2) nanocomposite photoanode synthesized through acid-catalyzed sol-gel method. The results show the improvement of the chemical and electrical properties of the solar cells annealed a…
To extend the spectral response range of dye-sensitized solar cells through Förster resonant energy transfer, eosin Y and rhodamine B were chosen as an donor and a acceptor to cubic-sensitize nanocrystalline ZnO thin film.
With the development of the micro/nanolithography, the optic-optic or optic-electronic modulation devices with different pixel shapes and sizes can be used for three-dimensional (3D) dynamical holographic display. The influence of different parameters of the modulation devices on the image quality of the 3D reconstruc…
The new kind of bio-based polyamide56 fiber has been synthesized by adipic acid and 1,5-pentanediamine, which was prepared by fermenting a variety of starch. The spin ability, physical and thermal properties of bio-based PA56, PA 6 and PA 66 were evaluated through systematic investigation and measurement. Bio-based po…
Compound La0.7Sr0.3Mn0.85Nb0.15O3, in which manganese ions are in an oxidation state close to 3+, are studied by neutron diffraction and magnetic measurements. This compound is shown to be a ferromagnet with T C = 145 K and a magnetic moment of 3.1 μB/Mn at T = 10 K. No signs of cooperative orbital ordering are detect…
We calculate Mg-acceptor activation energy EA and investigate the influence of O-atom, occupied the Mg nearest-neighbor, on EA in nanoscale (AlN)5/(GaN)1 superlattice (SL), a substitution for Al0.83Ga0.17N disorder alloy, using first-principles calculations. We find that the N-atom bonded with Ga-atom is more easily s…
A self-assembled dense monolayer based on a non-charged push–pull chromophore is clearly evidenced by electrochemical, XPS and STM analysis. Associated with good film properties a conducting behavior consistent with the structure of the SAM-organized push–pull is also shown.
The structures of iron(III) and nickel(II) complexes with the composition [FeL 2 ]Cl·H 2 O ( 1 ) and [Ni(HL′ 2 )]·DMSO·0.5H 2 O ( 2 ), where L and HL′ are monodeprotonated residues of 1′-phthalazinylhydrazones of 2-acetyl benzimidazole and 1-phenyl-3-methyl-4-formyl-5-hydroxypyrazole respectively, are determined using…