Synthesis and Characterization of Single‐Crystalline Alkali Titanate Nanowires.

Abstract

Nanotechnology V 1505Synthesis and Characterization of Single-Crystalline Alkali Titanate Nanowires.-Na2Ti6O13 and KTi8O16.5 nanowires are synthesized by reaction of TiO2 nanoparticles with a mixture of molten BaC2O4 and NaCl or KCl (without BaC2O4) in the presence of a nonionic surfactant (NP-9, sonication, 800-825°C, 3 h). The samples are characterized by SEM and TEM. The nanowires have diameters around 100 nm and lengths of up to a few tens of microns. The preparation method may also be extended to the fabrication of other ternary oxide nanostructures. -(XU, C.-Y.; ZHANG, Q.; ZHANG, H.; ZHEN, L.; TANG, J.; QIN*, L.-C.; J.

Dielectric properties of the polymer–matrix composites based on the system of Co-modified potassium titanate–polytetrafluorethylene

“…In accordance with the data of Figures 1 and 3, ceramic agglomerates include the particles of different sizes and morphologies. The centers of agglomerations are formed by 3–8 thin platy particles of hollandite-like potassium titanate KTi 8 O 16.5 , which, in accordance with Xu et al., 27,28 can be present in the form of K(Ti,Co) 8 O 16.5 , as well as CoTiO 3 and TiO 2 . Such structure of the ceramic composite nanoparticles promotes high polarizability of agglomerated particles and their improved permittivity.…”

Vertically Aligned Titanate Nanotubes Hydrothermally Synthesized from Anodized TiO2 Nanotube Arrays: An Efficient Adsorbent for the Repeatable Recovery of Sr Ions

“…3−6 These features of TNTs suggest their potential utility in a variety of applications in catalysis, 7 photocatalysis, 8−17 solar hydrogen generation, 18,19 solar water splitting, 20−25 gas sensors, 26 and lithium-ion batteries. 27−29 Conventional titanate nanostructures (e.g., belts, 30 fibers, 31 flowers, 32 rods, 33 ribbons, 34 tubes, 35 sheets, 36 and wires 37 ) are synthesized using commercially available titanium precursors or Degussa P25 as a seed material via a hydrothermal (HT) process. 38,39 Titanate-based materials have been widely investigated for the removal (or recovery) of rare earth metal ions, heavy metal ions, and radioactive pollutants from the various water sources.…”

Structural characteristics and spectral response of composite transition metal oxide photocatalytic materials

“…Generally, higher Na/Ti ratio titanates owns layered structures, to the contrary titanates possess tunneled structures [41]. Na 2 Ti 3 O 7 with a layered structure is one of the most widely studied, while Na 2 Ti 6 O 13 with a tunneled structure is the most widely used [42]. The structures of two Ti-O based materials are shown in Fig.…”