Disket-Nanorings of K₂Ti₆O₁₃ Formed by Self-Spiraling of a Nanobelt

Abstract

Single-crystal K 2 Ti 6 O 13 nanorings were prepared by molten salt synthesis. The nanoring is formed by loopby-loop winding of a K 2 Ti 6 O 13 nanobelt by coherently matching the lattice at the edges of the nanobelt in the same plane. The driving force for such a perfect match at the edges is suggested to minimize the local electrostatic energy introduced by the cations and anions.

Low temperature synthesis and characterization of substitutional Na-modified K2Ti6O13 nanobelts with improved photocatalytic activity under UV irradiation

“…[27][28][29][30] Among these synthesis methods, MSS has been proved to be one of the simplest, most versatile, and cost-effective approaches available for obtaining crystalline, chemically puried, single-phase and non-agglomerated powders at lower calcination temperature than the conventional solid-state reaction and always in overall shorter reaction time as compared with hydrothermal synthesis. Sometimes, in order to favor synthesizing reaction and improve uniformity of the brous products, a nonionic surfactant like NP-9 (nonylphenol polyethylene glycol ether) will be introduced into the molten salts, 28,33,34 which increases the production cost. Sometimes, in order to favor synthesizing reaction and improve uniformity of the brous products, a nonionic surfactant like NP-9 (nonylphenol polyethylene glycol ether) will be introduced into the molten salts, 28,33,34 which increases the production cost.…”

Synthesis, conversion, and comparison of the photocatalytic and electrochemical properties of Na2Ti6O13 and Li2Ti6O13 nanobelts

“…The major advantages include (1) irradiation light can be highly effectively absorbed, (2) the lifetime of material is much longer, and (3) the material rapidly recover their initial photocatalytic activity against catalyst poisons [4]. Moreover, 1D K 2 Ti 6 O 13 whiskers, nanowires, nanobelts and annular nanostructures have also been synthesized by different research groups [8][9][10][11][12][13]. However, to the best of our knowledge, there is no report on the synthesis and corresponding property of 1D Li 2 Ti 6 O 13 nanostructures till now.…”

Growth of ultralong potassium titanate whiskers by the KCl flux method with metallic titanium materials

“…[9][10][11][12][13][14][15] Several types of potassium titanates have been reported, including K 2 Ti 2 O 5 and K 2 Ti 4 O 9 , which have layered structures, and K 2 Ti 6 O 13 and K 2 Ti 8 O 17 , which have tunnel structures. [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33] With their unique crystal structures, these potassium titanates have attracted attention for use in applications such as water splitting and degradation of toxic substances. [18][19][20] The layered potassium titanates also have the potential to be used as ionexchangers and starting materials for fabricating nanomaterials (e.g., exfoliated nanosheets).…”