Materials Literature
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An alicyclic tetracrboxylic dianhydride having cyclopentanone bis-spironorbornane structure (CpODA) was polycondensated with aromatic diamines in the various kinds of solvents. The poly(amic acid)s were imidized by a chemical and a thermal methods. In chemical imidization of poly(amic acid) derived from CpODA and 2,2'…
Nitrogen-doped porous carbon/3D graphene frameworks were prepared by decorating ZIF-8 or ZIF-67 onto graphene aerogels and subsequent carbonization and etching processes. The composite showed excellent performance in all-solid-state supercapacitors.
The influence of chemical interaction between poly(ε-caprolactone) (PCL) and Cloisite 10A on rheology, water permeability and antibacterial properties were subjected to detailed investigation.
A novel sheet-on-tube hierarchical structure with a uniform distribution of Ni–Co hydroxides on BP acts as a promising supercapacitor.
An integrated approach to the control of cracking processes and destruction of concrete, including the kinetics of crack growths depending on the duration and the magnitude of the external load is proposed. Based on the accumulated theoretical and experimental data it is determined that elastic and plastic deformation…
The mechanical properties of industrial and neat Ethylene Propylene Diene Monomer (EPDM) polymers, aged under γ-irradiation at different temperatures, are studied. The focus is given to the dose rate effects in polymer insulation materials, so the ageing is performed in the wide range of dose rates, doses and temperat…
Protein adsorption at charged surfaces is a common process in the development of functional technological devices.
Developed nano β-NaGdF 4 doped with Yb 3+ /Er 3+ in the core and Yb 3+ /Dy 3+ in the shell with favorable properties for combined magnetic resonance and optical imaging.
Cysteine and Na 2 S induced different distributions and toxicities of AgNP in biofilms.
Two kinds of 2-diphenylamine-(9,9-diphenylfluorene)-functionalized semi-aromatic polymers were prepared and they exhibited stable and high-contrast electroswitching in both coloration and emission.
High production cost is one of the major barriers to widespread commercialization of solid oxide fuel cells (SOFCs). Thermal spray techniques are a low cost alternative for the production of SOFCs. The objective of this work was to evaluate the electrochemical performance of cells produced by plasma spraying. The anod…
Al 2 (MoO 4 ) 3 could be synthesized using two different methods, the traditional solid-state reaction and the hydrothermal reaction with post-heating. For preparation by the solid-state reaction, the starting materials were Al(OH) 3 and MoO 3 . TG-DTA results suggested that the reaction temperature of the solid-state…
Core–shell silver nanofiber/polyvinylpyrrolidone (AgNF/PVP) nanofibers have been successfully fabricated via an efficient coaxial-spinneret electrospinning method with a vertical configuration using PVP and AgNO 3 as precursor solutions.
Near-superhydrophobic surfaces trap circulating blood in Cassie–Baxter state, thereby reducing the contact area available for shearing of erythrocytes to take place.
Gold nanoplasmonic substrates with high sensitivity and spectral reproducibility are key components of molecular sensors based on surface-enhanced Raman scattering (SERS). In this work, we used a confocal Raman microscope and several types of gold nanostructures (arrays of nanodiscs, nanocones and nanodisc dimers) pre…
A Ru(2+)-connected, metallo-organic ligand (L) with three free terpyridines was designed and synthesized. L was assembled with Zn(2+) to generate a helical structure; however, when mixing L with a 1,2,3-tristerpyridine ligand (T), a thermodynamically stable 2D rhombus was assembled. Furthermore, this 2D rhomboidal str…
Long-term cell tracking via whey protein derived carbon nanodots.
ZnCl 2 , KOH and water vapor were used as activated reagents to obtain the expected activated carbon that has a three-dimensional (3D) interconnected network structure and good electrochemical properties as carbon-based electrodes.
The internally functionalized dendrimers are novel polymers that differ from conventional dendrimers by having additional functional units which do not branch out further. We investigate the dynamics of these structures with the inclusion of local semiflexibility and analyze their eigenmodes. The functionalized units…
Domain-engineered relaxor-ferroelectric single crystals with compositions near the morphotropic phase boundary are highlighted as a key component for high-performance piezo-active composites.