Materials Literature
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In the present paper, we report the synthesis of bimodal mesoporous anatase TiO2 films by the EISA (Evaporation-Induced Self-Assembly) method using sol-gel chemistry combining two porogen agents, a low molecular weight ionic template and a neutral block copolymer. The surfactant template (C16mimCl) generates non-orien…
The natural tendency of carbon nanotubes (CNTs) to agglomerate is an underlying reason that prevents the realization of their full potential. On the other hand, covalent functionalization of CNTs to control dispersion leads to disruption of π-conjugation in CNTs and the non-covalent functionalization leads to a weak C…
The reactions of poly vinyl chloride (PVC) with different aliphatic amines in Tetra Hydro Furan, THF, have been studied. These reactions led to the formation of new polymers (PVC-L) which were characterized by spectroscopic methods (Infra Red, IR and Uv-Visible spectrophotometry). Composite of the new polymers were pr…
Crosslinked polystyrene nanofibers were synthesized via RAFT-mediated aqueous emulsion polymerization and showed good shape stability in both the presence of solvent and at high temperature (typically above the Tg of polystyrene). The viscoelastic properties of their suspension in a low molar mass poly(ethylene glycol…
The hierarchical ZnO nanostructures, branched nanorods, were prepared through a multi-step growth method on glass substrates without any capping agents. The process includes magnetron sputtering deposition of ZnO seed particles and hydrothermal growth of ZnO nanorods. The morphology, growth process and microstructure…
A Pd-diimine catalytic inimer containing uniquely catalytic, initiating, and monomeric functionalities in one catalyst molecule is designed. It enables the first self-condensing vinyl copolymerization of ethylene, leading to polyethylenes of a hyperbranched-on-hyperbranched architecture. Meanwhile, it also facilitates…
Helium ion microscopy (HIM) has been used to image mesoporous silica and organosilica for the first time. Images of chiral nematic silica, ethylenesilica, and new benzenesilica reveal the structural organization, pore dimensions and connectivity of these materials on the nanometer length scale.
The photonic- and redox-triggered cyclic uptake and release of organic substrates in functionalized mesoporous SiO2 nanoparticles (NPs) is demonstrated. The mesoporous SiO2 NPs are functionalized with nitrospiropyran photoisomerizable units. Rhodamine B is encapsulated in the channels of the SiO2 NPs and trapped by th…
Heavy-metal-free, organic-small-molecule-based fluorescent nanodots (Sdots, 31-60 nm in diameter) based on 2,7-di(4-(diphenylamino)phenyl-2,1,3-benzothiadiazol-7-yl)-9,9'-spirobifluorene (Spiro-BTA) were prepared through a simple solution process. The Sdots show not only non-blinking and high-brightness fluorescence b…
The polymer-grafted nanoparticles prepared by the surface-initiated polymerization induced from the spherical surface is studied by coarse-grained molecular dynamics simulations combined with the stochastic reaction model. The coupling effect of the initiator density and the grafting surface curvature is mainly invest…
Based on first principles computations, we systematically investigated electronic and magnetic properties of zSiCNRs with unilateral/bilateral modification by employing electron donor/acceptor groups, where five chemical functional groups are sampled, namely, CH3, OH, NH2, CN and NO2. Our computed results reveal that…
2-Methacryloyloxyethyl-phosphorylcholine (MPC) polymers are zwitterionic in character and are widely used in a range of biomedical devices. The availability of facile polymerization approaches has allowed the synthesis of well-defined MPC polymers, which are now used as delivery carriers for in vitro and in vivo appli…
A surfactant-free strategy for controllable growth of various hierarchical CuO nanostructures was successfully achieved through a facile, one-pot solution-phase transformation of CuxMy(OH)z (M = SO42−, Cl−, NO3− and CH3COO−) precursors method without extra heat treatment in air. The formation of CuO nanostructures her…
Transmission of captured CO2 in pipelines is an essential part of the carbon capture and sequestration process chain. Dependent of the fuel, the combustion process and the capture technology the resulting gas contains impurities that might cause corrosion effects in pipelines constructed of low alloyed steels. Corrosi…
The present work focuses on a qualitative analysis of localised I-V characteristics based on the nanostructure morphology of highly dense arrays of p-type NiO nano-pillars (NiO-NPs). Vertically aligned NiO-NPs have been grown on different substrates by using a glancing angle deposition (GLAD) technique. The preferred…
The saga of nanostructured magnetic materials (NMMs) has prevailed since the discovery of the first giant magnetoresistance (GMR) effect in metals in 1988. NMMs represent a unique system that incorporates the interplay between the properties associated with spin degrees of freedom and the nanoscaled structures, which…
Nitric oxide (NO) is a small endogenous molecule that has important regulatory roles both in physiology and in pathology. Because of this multiplicity of roles, the level of NO concentration or, more precisely, the control of its concentration, is crucial to avoid adverse effects including toxicity. Nanoporous materia…
We consider two-component suspensions of non-magnetic and magnetic rods and show that alignment of the magnetic component by a magnetic field orients the non-magnetic one. We studied suspensions of non-magnetic V2O5 rods doped with magnetic Fe3O4 nanoparticles. In the isotropic phase, the field-induced orientation of…
A highly symmetric Mn(IV)-centered polyoxoniobate [H2Mn(IV)Nb10O32](8-) was synthesized via hydrothermal methods as a soluble tetramethylammonium salt. The structure is similar to decatungstate structure [W10O32](4-), except for the central heteroatom. The cluster is stable between 4 < pH < 10, as was characterized wi…
The assembly of an organic dye molecule incorporated into inorganic host matrices has received considerable attention for developing new types of organic–inorganic hybrid photofunctional materials. In this work, we report 9-fluorenone-2,7-dicarboxylate (FDC) assembled into Mg-Al- and Zn-Al-layered double hydroxide (LD…