Materials Literature
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The optical properties and structure of hydrophobic antireflective coatings (AR) deposited from silica sol and HMDS and MTMS were characterized in detail in this study. The influence of sol modification parameters on the antireflective behaviour of coatings has been investigated. For the characterization of hydrophobi…
Influence of temperature dependence of solubility for each phase on kinetics of reactive diffusion has been theoretically analyzed for a hypothetical binary system consisting of two primary solid-solution phases (α and γ) and one compound phase (β). For the analysis, we consider that the β phase is produced owing to t…
Recent investigations on the design and synthesis of electrochromic materials based on switchable three-station [2]catenanes are summarized. The reasoning and preliminary experiments behind the design of electrochemically controllable red–green–blue (RGB), donor–acceptor [2]catenanes are presented. A basis for color g…
An exclusively chelating ligand bridged high-valent [MnIV3] complex has been synthesized, in which all Mn(IV) ions are ferromagnetically-coupled to exhibit an S(T) = 9/2 spin ground state.
We previously found that polysaccharide "schizophyllan (SPG)" can entrap as-grown and cut single-walled carbon nanotubes (as-SWNTs and c-SWNTs, respectively): we here reported that the c-SWNT-s-SPG (single stranded SPG) composites thus obtained can be aligned regularly using the covalent bond formation between boric a…
An unexpected oxygen-assisted reduction of cationic Au species by CO was found on a Au/SiO(2) catalyst at room temperature and the produced metallic Au species plays an essential role in CO oxidation on Au/SiO(2).
Three-dimensional (3D) architectures of layered fibers 60–80 nm in diameter have been prepared by an electrospinning method for rechargeable lithium-ion batteries. To resolve the instability of a 3D structure induced by lithium intercalation and deintercalation, a lithium phosphorous oxynitride (LiPON) layer was coate…
Faced with numerous challenges raised by the requirements of the modern industries for higher power and higher energy, supercapacitors study started playing an important role in offering viable solutions for some of these requirements. This paper presents the surface redox reactions based modeling in order to study th…
The polycrystalline sample of was prepared by a high-temperature solid-state reaction technique. The effect of temperature on impedance parameters was studied using an impedance analyzer in a wide frequency range ( Hz). The real and imaginary parts of complex impedance trace semicircles in the complex plane. The tempe…
A novel bio-based thermosetting elastomer was prepared by the lipase-catalyzed polymerization of methyl ricinoleate with subsequent vulcanization. Some mechanical properties of the cured carbon black-filled polyricinoleate compounds were evaluated as a thermosetting elastomer. It was found that the carbon black-filled…
A ligand field analysis of two structurally related hexanuclear Mn(iii) coordination complexes reveals that the observed difference in their ground spin-state anisotropy originates from the difference in projection coefficients of the single-ion anisotropy to spin states of different total spin quantum-number, S, rath…
A colorless polynuclear heterometallic yttrium(III)–copper(I) iodide cluster [Y6(μ6-O)(μ3-OH)8(DMSO)16(H2O)2]8+ [Cu2I4]2−6[I]− (1), isolated in a moderate yield from the hydrolytic reaction of [Y(DMSO)6(DMF)2][CuI3][I] in acetonitrile, undergoes unique crystal-to-crystal transformation to give reddish-yellow cluster […
The synthesis and polymerization of Cl2MeSi–NH–BCl2 (MADB) and ClMe2Si–NH–BCl2 (DADB) is reported. MADB and DADB are obtained in two-step reaction sequences from MeSiCl3, Me3Si–NH–SiMe3 (HMDS), and BCl3 (→ MADB) or Me2SiCl2, HMDS and BCl3 (→ DADB). The monomeric single source precursors are structurally characterized…
Due to their solvent-free chemistry and low environmental impact, aqueous silicates appear as promising alternative precursors to silicon alkoxides for the development of a greener sol-gel process. In this context, aqueous routes to silica/biopolymer composite materials are described here, allowing the formation of si…
The author clarified the characteristic of activated carbon prepared from biomass (rind of sugar cane bagasse (rind), pith of sugar cane bagasse (pith), rice straw (rice), bamboo (barn)) with different ratios of NaOH. In addition, the characteristic of electric double-layer capacitance of each activated carbon was cla…
The DNA mediated assembly of complementary DNA-functionalized gold nanoparticles (DNA-AuNP) was investigated by means of UV/Vis-spectroscopy and Dynamic Light Scattering (DLS). The melting temperature of the aggregates was determined to be T(m) = 31 degrees C. Characterization of the assembly at 20 degrees C, 25 degre…
Bidentate phosphine ligands have been prepared on polystyrene beads modified with polyether dendron spacers. When complexed to Pd(0), these systems exhibited a negative dendritic effect on Heck catalysis (contrary to the analogous monodentate phosphine systems), but mostly a positive influence on carbonylation. This o…
Abstract Regioselectively substituted cellulose sulfates in C2/3‐, C2/6‐, or C6‐position of the anhydroglucose unit are accessible by certain synthesis routes. Thereby, products with different properties and various application areas are resulted. Important characteristics of cellulose sulfates regarding their applica…
A whole-cell environmental biosensor was fabricated on a diamond electrode. Unicellular microalgae Chlorella vulgaris was entrapped in the bovine serum albumin (BSA) membrane and immobilized directly onto the surface of a diamond electrode for heavy metal detection. We found that the unique surface properties of diamo…
Specimens of duplex stainless steel UNS S32304 immersed in distilled water were worn under sliding friction conditions. The electrochemical microcell technique and local Auger spectroscopy were then applied to these heterogeneous surfaces to determine the influence of surface chemical composition and surface defects o…