Materials Literature
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Abstract The redox chemistry of single‐walled carbon nanotubes (SWCNTs) was examined by using optical absorption spectroscopy measurements in the presence of sodium dodecyl sulfate (SDS) and its analog surfactants, that is, sodium 1‐undecanesulfonate (SUS) and sodium dodecylbenzenesulfonate (SDBS). Redox reactions of…
Highly conductive poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) ( PEDOT: PSS) films as transparent electrodes for organic light-emitting diodes (OLEDs) are doped with a new solvent 1,3-dimethyl-2-imidazolidinone (DMI) and are optimized using solvent post-treatment. The DMI doped PEDOT: PSS films show signifi…
The solubilities of 3,4-dinitro-1 H -pyrazole (DNP) in different solvents are essential for crystallization and further theoretical studies. In this paper, the solubilities of DNP in six pure solvents were determined in temperatures ranging from 298.15 K to 338.15 K by the dynamic laser monitoring method under atmosph…
We have investigated the amorphization of β-trehalose by high energy milling using in situ and ex situ synchrotron powder diffraction and PDF analysis. From this analysis we show that amorphization takes place through a two-phase process involving an amorphous and a long-range ordered phase. The proportion and coheren…
Waterborne polyurethane (PU) based on poly(ε-caprolactone) (PCL) diol and an amphiphilic polylactide-poly(ethylene glycol) (PLA-PEG) diblock copolymer was synthesized. The molar ratio of PCL/PLA-PEG was 9:1 with different PLA chain lengths. The PU nanoparticles were characterized by dynamic light scattering (DLS), sma…
Natural fibres are widely used in the area of composite material applications because of their low density, low cost and acceptable specific mechanical properties. However natural fibres have some disadvantages such as the poor water resistance due to hydrophilic cellulose fibres resulting in poor mechanical propertie…
We studied the two-step martensitic transition of a Cu-Al-Ni shape-memory alloy by calorimetry, acoustic emission (AE), and resonant ultrasound spectroscopy (RUS) measurements. The transition occurs under cooling from the cubic $(\ensuremath{\beta}, Fm3m)$ parent phase near 242 K to a mixture of orthorhombic $2H$ and…
Plasma Electrolytic Oxidation-PEO (Micro Arc Oxidation-MAO) as a surface layer modification method is increasingly being used for biomaterials. The surface after that oxidation is more biocompatible than that after other electrochemical treatments. The analyses of the titanium surface after PEO treatment show that the…
Making the “DNA-metal base pairs” is one of the promising avenues for designing DNA based optical sensors and other potential applications. Herein, particular emphasis has been given on designing an off/on optical probe using DNA-metal base pairs. DNA minor groove binder dye, Hoechst (HOE) is used to probe the constru…
Clinically ineffective transplatin is highly potent against cancer cells when transformed into a transplatin(IV) prodrug nanoparticle. Herein, a hydrophobic transplatin(IV) was synthesized by H2O2-oxidization of transplatin and attachment of two hydrophobic aliphatic chains. Transplatin(IV) was subsequently encapsulat…
Generation of white light emission (WLE) from a single organic fluorophore is challenging because of the need to get fluorescence covering the visible region (400-700 nm) upon excitation of the dye at near-ultraviolet wavelength. Herein, we report WLE from a butadiyne bridged pyrene-phenyl hybrid fluorophore in mixed-…
We report synthesis of targeted PEGylated polymer capsules encapsulating Stoke’s shift and upconverting LaVO 4 nanoparticles by following a unique approach for bioimaging applications. First, LaVO 4:Ln 3+ @silica (Ln 3+ = Tb 3+, Eu 3+, and Yb 3+ /Er 3+ ) core–shell nanoparticles are prepared by sol–gel method followed…
Effects of annealing after/under iron (Fe) ion irradiation on deuterium (D) retention behavior in tungsten (W) were studied. The D2 TDS spectra as a function of heating temperature for 0.1 dpa damaged W showed that the D retention was clearly decreased as the annealing temperature was increased. In particular, the des…
Resolving the interplay between magnetic interactions and structural properties in strongly correlated materials through a quantitatively accurate approach has been a major challenge in condensed-matter physics. Here we apply highly accurate first-principles quantum Monte Carlo (QMC) techniques to obtain structural an…
The effects of strain on the stability, electron-phonon coupling, and superconductivity of doped monolayer ${\mathrm{MoS}}_{2}$ are investigated systematically using first-principles calculations. We find that most of the electron-phonon coupling in doped monolayer ${\mathrm{MoS}}_{2}$ is attributed to the in-plane vi…
A large swath of quantum critical and strongly correlated electron systems can be associated with the phenomena of preserved entropy and fragile magnetism. In this overview we present our thoughts and plans for the discovery and development of lanthanide and transition metal based, strongly correlated systems that are…
Cubic bicontinuous phases like the double gyroid (G), double diamond (D), and plumber’s nightmare (P) are of great practical interest for many emerging applications requiring highly regular nanoscale networks or porous materials. Such phases can be formed from A–B diblock copolymers by the addition of A-type homopolym…
Abstract While of immense scientific interest, superhydrophilic surfaces are usually difficult to prepare, and preparation methods are typically substrate specific. Herein, a one‐step coating method is described that can endow superhydrophilicity to a variety of substrates, both inorganic and organic, using the coordi…
Abstract The present work examines the properties of gypsum reinforced with palm fibres, as a low-cost construction material. Panels of 500 × 500 × 20/25 mm were fabricated and tested for impact strength, compressive strength and flexural strength. The results are compared with those made from fibreglass-reinforced gy…
A new colloidal system that consists of core-shell "probe" particles embedded in an optically transparent "host" particle suspension is developed. This system enables simultaneous fast confocal imaging and optical tweezing in dense 3D colloidal materials.