Materials Literature
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Ceramic materials play a critical role in the safe long-term immobilisation of nuclear waste and fundamental understanding of both radiation damage and healing processes are required in order to determine the suitability of proposed storage materials, such as pyrochlores. Here, new interatomic potentials are derived f…
The rubidium tungsten bronze (RbxWO3) nanoparticles were synthesized by a solvothermal process in CH3COOH–C2H5OH mixed solutions for the application to near-infrared absorption materials. The as-obtained powder products were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoe…
High Temperature Steam Electrolysis (HTSE) is one of the most promising ways for hydrogen production. If coupled to a CO2-free electricity and low cost heat sources, this process is liable to a high efficiency. The present study describes recent promising results obtained in terms of performance and durability in stac…
It is well known that transporting CO2 via pipelines even in the supercritical state is not a problem from the corrosion point of view, as long as CO2 is almost pure and dry. Depending on the CO2 separation technology, however, the untreated CO2 stream contains also various impurities such as oxygen, sulphur oxides, n…
A novel intermittent microwave assisted method was developed for surface impregnation and electrical properties improvement of decorated activated carbon (DAC), from commercially available activated carbon (AC) and Vulcan carbon (VC). These materials were characterized by UV-visible spectroscopy, Raman spectroscopy, X…
The corrosion rates in the presence of new synthesised pyridazine derivatives (P1, P2, P3 and P4) as a steel corrosion inhibitors in 1 M hydrochloric acid, were measured by the weight loss method, in the range of temperatures from 303 to 353 K. Results obtained revealed that the inhibition efficiency of these compound…
TiO 2 thin films and TiO 2 nanotube arrays were fabricated on Si and quartz substrates by atomic layer deposition (ALD) with the application of anodic aluminum oxide (AAO) template at 400°C. In particular, the thickness of the film and the wall thickness of the nanotubes can be controlled precisely using ALD technique…
Thiol-functionalised silicone-oils were crosslinked with silver nanoparticles to give mechanically consistent elastomers with high self-healing power. The materials were broken into small pieces and put together in intimate contact for 24 hours at room temperature, observing a complete macroscopic healing and a quanti…
The exterior structures of natural organisms have continuously evolved by controlling wettability, such as the Namib Desert beetle, whose back has hydrophilic/hydrophobic contrast for water harvesting by mist condensation in dry desert environments, and some plant leaves that have hierarchical micro/nanostructures to…
Anionic carbosilane dendrimers of generations 1-3 have been synthesized containing carboxylate G(n)X(C(2)H(4)CO(2)Na)(m) and sulfonate G(n)X(C(2)H(4)SO(3)Na)(m) peripheral groups and derived from two different cores, 1,3,5-(HO)(3)C(6)H(3) (X = O(3)) and Si(C(3)H(5))(4) (X = Si). The peripheral anionic groups make thes…
We describe the effect of polymeric additives on the molecular gelation of two N-functionalized dipeptides. Hydrogelation was triggered by the addition of aqueous solutions to the dipeptide in DMSO. Gels can be formed in the presence of high concentrations of additives. The rheological properties of the gels are also…
In order to obtain a high performance humidity controlling composite material, a halloysite/poly(sodium acrylate-acrylamide) (halloysite/PAA-AM copolymer) composite was first synthesized using an inverse suspending polymerization method, and the morphology, structure, specific surface area and thermal stability of the…
A mesoporous ZnO hemisphere array has been prepared via a topotactic transition of Zn(4)(OH)(6)CO(3)·H(2)O (ZCHH) by chemical bath deposition. Each hemisphere is comprised of a radially oriented nanoflake shell grown on the hemispherical interior. Reaction time-dependent SEM analysis shows that the morphological forma…
A novel and general in situ hydrophobic shell-protected selective etching strategy has been developed to synchronously synthesize and modify hollow mesoporous silica nanoparticles (HMSNs) and rattle-type mesoporous silica nanoparticles (RMSNs) with well-defined morphology, effectively avoiding the drawbacks of post-mo…
The colloidal mesoporous silica nanoparticles with small particle sizes (namely, CMS) are used as inorganic fillers of polymers (i.e. epoxy and silicone). From simple calculation, almost all polymers are estimated to be confined in the mesopores. To clarify the superiority of CMS over nonporous silica particles and me…
Thin films of heavily B-doped nanocrystalline diamond (B:NCD) have been investigated by a combination of high resolution annular dark field scanning transmission electron microscopy and spatially resolved electron energy-loss spectroscopy performed on a state-of-the-art aberration corrected instrument to determine the…
Thin films of tin sulphide (SnS) were prepared on glass substrates using the thermal evaporation method and the optical dispersion parameters investigated. The results obtained on the dispersion parameters and other optical constants indicated a strong thickness dependency. The results indicated that the refractive in…
A TTFV-phenylacetylene folding polymer was synthesized to exhibit the property of reversibly dispersing and releasing single-walled carbon nanotubes in organic solvents under the control of redox or pH stimuli.
A set of two modified tripeptides containing conformationally rigid m-aminobenzoic acid (m-ABA) as a template at the C-terminal self-assemble to form diverse micro- and nanostructure materials such as nanovesicles, nanotubes, giant microvesicles, macroporous vesicular structures including macroporous films, macro- and…
Photocrosslinkable, protein-engineered biomaterials combine a rapid, controllable, cytocompatible crosslinking method with a modular design strategy to create a new family of bioactive materials. These materials have a wide range of biomedical applications, including the development of bioactive implant coatings, drug…