Materials Literature
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Nanoscale plasmonic phenomena observed in single and bi-layers of molybdenum disulfide (MoS(2)) on silicon dioxide (SiO(2)) are reported. A scattering type scanning near-field optical microscope (s-SNOM) with a broadband synchrotron radiation (SR) infrared source was used. We also present complementary optical mapping…
We present chip-scale transmission measurements for three key components of a gallium-phosphide (GaP)-on-diamond integrated photonics platform: waveguide-coupled disk resonators, directional couplers, and grating couplers. We also present proof-of-principle measurements demonstrating nitrogen-vacancy (NV) center-emiss…
Cross-linked layer-by-layer (LbL) assemblies with a precisely tuned surface ζ-potential were fabricated to control the adsorption of proteins, mammalian cells, and bacteria for different biomedical applications. Two weak polyions including a synthesized polyanion and polyethylenimine were assembled under controlled co…
Light scattering due to birefringence has prevented the use of polycrystalline ceramics with anisotropic optical properties in applications such as laser gain media. However, continued development of processing technology has allowed for very low porosity and fine grains, significantly improving transparency and is pa…
A concept for designing capacitor/battery-capacitor asymmetric supercapacitor is proposed to improve low-temperature capacitance, which consists of a capacitor-type electrode (C) and a capacitor/battery-type composite electrode (NiO/C). This construction overcomes the capacitor-battery asymmetric supercapacitor's shor…
Cavity point-to-set correlations are real-space tools to detect the roughening of the free-energy landscape that accompanies the dynamical slowdown of glass-forming liquids. Measuring these correlations in model glass formers remains, however, a major computational challenge. Here, we develop a general parallel-temper…
ABSTRACT The electrochemical anodic electropolymerization of m ‐toluidin on a Pt electrode from a deoxygenated aqueous acid medium is carried out using the cyclic voltammetry technique. The effects of different parameters on the electrochemical polymerization such as the monomer, sulfuric acid, sodium sulfate concentr…
Tensile deformation behavior of a random propylene–ethylene copolymer with 12 mol % ethylene counits at room temperature and 63 °C was investigated using the in situ small and wide-angle X-ray scattering techniques. Under both conditions, the deformation mechanism changed from slip of crystalline lamellar blocks to st…
A thermo-, photo- and chemoresponsive shape-memory material is successfully prepared by introducing α-cyclodextrin (αCD) and azobenzene (Azo) into a poly(acrylate acid)/alginate (PAA/Alg) network. The tri-stimuli-responsive formation/dissociation of αCD-Azo acts as molecular switches freezing or increasing the molecul…
Due to their fabrication simplicity, fully compatible with low-cost large-area device assembly strategies, source-gated transistors (SGTs) have received significant research attention in the area of high-performance electronics over large area low-cost substrates. While usually based on either amorphous or polycrystal…
Molecular dynamics simulations of thiolate-protected and solvated gold nanoparticles were carried out in the presence of a non-equilibrium heat flux between the solvent and the core of the particle. The interfacial thermal conductance (G) was computed for these interfaces, and the behavior of the thermal conductance w…
A scratch test consists in pulling a diamond stylus across the surface of a weaker material; it is widely applied in several fields of science and engineering, including polymer damage, metal wear, thin-film quality control, and strength of rocks. Recently, there has been an upsurge of interest in the fracture analysi…
The melting of the permanent ice cover in the arctic region due to the climate change is increasing industrial activity in the region and also consequently there is the enhanced risk for oil-spills. Therefore, there is a need for the development of green chemicals for oil-spill treatment in the arctic region. Carboxym…
Light-switchable azoimidazoles were rationally designed and synthesized, and their performance was investigated as photodissociable ligands (PDL) and for spin state switching of Ni porphyrins. The rationally designed ligands exhibit a high photochemical conversion rate (trans → cis > 98%) and no measurable fatigue ove…
Supported PtMo bimetallic catalysts were prepared by controlled surface reactions (CSR) and studied for water gas shift (WGS) at 543 K. Carbon and silica supports were used for the preparation of monometallic Pt catalysts, and Mo was deposited onto these catalysts by reaction with cycloheptatriene molybdenum tricarbon…
The influence of the annealing temperature on deuterium retention in self-damaged tungsten, Založnik, Anže, Markelj, Sabina, Schwarz-Selinger, Thomas, Ciupiński, Łukasz, Grzonka, Justyna, Vavpetič, Primož, Pelicon, Primož
This work reports the effect of silver bionanoparticles (Bio(AgNPs) synthesized by Actinobacteria CGG 11n on selected Gram (+) and Gram (-) bacteria. Flow cytometry, classical antibiogram method and fluorescent microscopy approach was used for evaluation of antimicrobial activity of Bio(AgNPs) and their combination wi…
Red blood cell (RBC)-like particles have shown great interest as a model for the understanding of the cell behavior and as promising biomaterials in targeted drug delivery. In this study, a simple and versatile route was proposed for the large-scale synthesis of monodisperse and well-defined RBC-like PS particles usin…
A new class of thermoresponsive dendronized polypeptides was prepared through highly efficient oxime ligation between oxyamino-substituted polylysines and aldehyde-cored oligoethylene glycol (OEG) dendrons. Their secondary structures and thermoresponsive behavior were investigated. Because of the dendritic structures…
Fabrication of small-diameter vascular scaffolds has been a challenge in recent years, especially scaffolds with multiple layers. In this study, two approaches were proposed to fabricate triple-layered vascular scaffolds based on the electrospinning method and the thermally induced phase separation (TIPS) method. It w…