Materials Literature
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Flexible counter electrodes (CEs) are designed and fabricated by depositing the composite film of carbon materials (carbon aerogel, carbon black, and active carbon) and poly(tetrafluoroethylene) on stainless steel mesh and applied in dye-sensitized solar cells (DSSCs). The effect of pore structure of the carbon materi…
A polar-fluoropolymer blend consisting of a high energy density poly(vinylidene fluoride-chlorotrifluoroethylene) (P(VDF-CTFE)) and a low dielectric loss poly(ethylene-chlorotrifluoroethylene) (ECTFE) was developed. Both the blend and crosslinked blend films exhibit a dielectric constant of 7 and low loss (∼1%), as ex…
Here, we describe an easy but robust chemical strategy to synthesize high-performance magnetic resonance (MR)/near-infrared (NIR) multimodal imaging nanoprobes. Poly(γ-glutamic acid) was used for the convenient phase transfer of MnFe(2)O(4) nanoparticles dispersed in organic solvents into aqueous solutions and facilit…
A novel viscosity gradient, built by stacking aqueous solutions of polyvinylpyrrolidone (PVP), is introduced to achieve precise size separation of nanoparticles. The viscosity gradient is more powerful than the conventional density gradient in separating larger nanoparticles. Nanoparticles that aggregate in PVP soluti…
A near-infrared (NIR) light-emitting diode is fabricated by constructing a GaN/Si nanoheterostructure array by growing GaN nanograins onto a silicon nanoporous pillar array (Si-NPA). A strong and tunable NIR electroluminescence is observed and the luminescent mechanism is attributed to the carrier radiative recombinat…
Spray-Pyrolyse ist eine effiziente Methode zum Aufbau einer Photoanode mit guter Kontrolle auf der Nanometerebene. Eine beispiellose Lichtumwandlungseffizienz von 7.5 % für ZnO-basierte Farbstoffsolarzellen wurde auf einer Photoelektrode aus polydispergierten ZnO-Aggregaten von Nanokristalliten über einer kompakten Zn…
The leakage current and resistive switching (RS) of Ce-doped BiFeO3 (BCFO) films prepared by the sol–gel method at various annealing temperatures are investigated. With increasing annealing temperature, BCFO changes from an amorphous structure to a crystalline structure, while the leakage current increases due to an i…
Exploration of initiation of chemistry in materials is especially challenging when several coexisting chemical mechanisms are possible and many reactions' products are produced. It is even more difficult for complex materials, such as molecular, supramolecular, and hierarchical materials and systems. A strategy to dra…
In order to enhance the aggressive intensity of a cavitating jet for practical applications, the effect of the geometry of the nozzle through which the jet is driven on the aggressive intensity was investigated. The nozzle under test was cylindrical and consisted of a plate and a cap with a hole bored through it. The…
It is shown that the addition of ClO 4 – counterions to [N4PyFeO] 2+ enables us to avoid the anomalies associated with the self-interaction error in DFT and to describe for the first time the entire trajectories for alkane hydroxylation and desaturation by this potent oxidant. The predicted reactivity trends for cyclo…
In this study, the effect of temperature on compressive strength, spalling and mass loss of High Strength Concretes (HSCs) by fc′>65 MPa is discussed. Average compressive strength of the HSCs was from 65 to 93 MPa, which was optimized by Taguchi’s method as a powerful tool for optimizing the performance characteristic…
Well aligned ZnO nanowire (NW) arrays are grown on Kevlar fiber and Kapton film via the chemical vapor deposition (CVD) method. These NWs have better crystallinity than those synthesized through the low-temperature hydrothermal method. The average length and diameter of ZnO NWs grown on Kevlar fiber can be controlled…
Indium oxide ( In 2 O 3 ) and indium tin oxide ( ITO ) thin films have been investigated for high temperature thermocouple and strain guage applications. Reactive sputtering in nitrogen‐rich plasmas was used to improve the high temperature stability of indium oxide‐based films in air and scanning electron microscopy w…
We report on the design, synthesis, and characterization of a series of terminal dicyanovinylene-substituted quinquechalcogenophenes as light-harvesting small-molecule donor materials for organic solar cells. The spectroscopic, electrochemical, and thermal properties of these pentamers were investigated. The replaceme…
Oil and vinegar: Colloidal plutonium is an important component of Pu aqueous speciation. Pu colloids are problematic in nuclear separations and are a potential transport vector in the environment. Using a mixture of n-octanol and trichloroacetic acid a selective and reversible separation of these particles can be achi…
Anthracycline antibiotic doxorubicin (DOX) belongs among the most important antineoplastics used in cancer therapy. Unfortunately, its cytostatic effect in therapeutic doses is frequently insufficient; but the use of higher DOX doses is limited by the development of systemic toxicity, especially cardiotoxicity. Theref…
BACKGROUND: Ligand targeted therapy (LTT) is a powerful pharmaceutical strategy to achieve selective drug delivery to pathological cells, for both therapeutic and diagnostic purposes, with the advantage of limited side effects and toxicity. This active drug targeting approach is based on the discovery that there are r…
Understanding the molecular basis of wound healing and regeneration in vertebrates is one of the main challenges in biology and medicine. This understanding will lead to medical advances allowing accelerated tissue repair after wounding, rebuilding new tissues/organs and restoring homeostasis. Drosophila has emerged a…
Heterogeneous ice nucleation is an important phenomenon in the physical environment influencing atmospheric and biological processes. Despite this relevance, the mechanism of heterogeneous ice nucleation is not understood at the microscopic level, and what exactly constitutes a good ice nucleus is an open question. Em…
The objective of this research was to characterize the ballistic performance of p-aramid fabrics impregnated with shear thickening fluid (STF) focusing on the laminating sequence of the layers. A panel of all neat Kevlar fabrics and two hybrid panels of neat and STF impregnated Kevlar fabrics were tested against 9 mm…