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T1 - Seed-mediated synthesis of gold nanorods

T1 - Room temperature synthesis and high temperature frictional study of silver vanadate nanorods

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Large-Scale Synthesis of Gold Nanorods through …

A facile ion-exchange approach was developed for the synthesis of single-crystalline sodium and calcium niobates nanorods at a large-scale based on molten-salt reaction between potassium niobate nanowires and molten sodium or calcium chlorides. It is suggested that the formation of sodium and calcium niobate nanorods was a self-sacrificing templated process through ion exchange.

T1 - Synthesis and characterization of silicon nanorod arrays for solar cell applications

We report a general method for the synthesis of noble metal nanorods, including Au, Ag, Pt, and Pd, based on their seeded growth in silica nanotube templates. The controlled growth of the metals occurs exclusively on the seeds inside the silica nanotubes, which act as hard templates to confine the one-dimensional growth of the metal nanorods and define their aspect ratios. This method affords large quantities of noble metal nanorods with well-controlled aspect ratios and high yield, which may find wide use in the fields of nanophotonics, catalysis, sensing, imaging, and biomedicine.

Functional Gold Nanorods: Synthesis, Self-Assembly, …

T1 - Synthesis of high-energy anatase nanorods via an intermediate nanotube morphology

Fluoridated hydroxyapatite (FHA) in nanorod morphology and hexagonal cross section were synthesised via hydrothermal process using Apricot Tree Gum (ATG) as a surfactant. The synthesised FHA nanorods were then used as reinforcement in bisphenol A-glycol dimethacrylate (Bis-GMA) as base monomer of composite matrix. The FHA nanorods with different ratios were incorporated in the matrix to examine fluoride ion release and pH changes in the Simulated Body Fluid (SBF) and their mechanical properties. The resin without FHA reinforcement was used as the control sample. The Diametral Tensile Strength (DTS), Flexural Strength (FS), and Flexural Modulus (FM) of the reinforced composite were found to be higher compared to the control sample; the values increased from 34.8 to 45.4. MPa, 76.5 to 99.4. MPa, and 1.7 to 2.5. GPa, respectively. Moreover, findings revealed that the pH is reduced by releasing the fluoride ions into the SBF which can be effective for preventing secondary caries. The most optimum mechanical properties were achieved with 0.2. wt% of FHA reinforcement. The FHA nanocomposite meets the minimum standard requirements for dental applications and compared to other dental composites has advantage of preventing formation of secondary caries due to release of fluoride.

N2 - V-shaped rutile twinned nanorods (VRTNs) with different aspect ratios were synthesized on large scale using a one-pot organic solvothermal method. Although several different types of VRTNs were produced, (101) twinned nanorods were the major product with minor amounts of (301) twins and straight nanorods. STEM, TEM and XRD characterizations show that [001] is the growth direction of VRTNs, with surfaces dominated by facets. Intermediate formation of both brookite and anatase nanorods provides dual pathways to VRTNs' growth: one path in which anatase seeds trigger and promote brookite nanorod growth; and a second path in which anatase nanorods are formed by oriented attachment. Subsequent dissolution of both brookite and anatase nanorods provides titania to support VRTNs growth.

Seedless synthesis of high aspect ratio gold nanorods …

T1 - Facile synthesis of single-crystalline CeO2 nanorods from aqueous CeCl3 solutions

N2 - In natural tooth enamel, fluoride is always present in the carbonated hydroxyapatite mineral and plays a key role in the prevention of tooth decay. In this study we aimed at mimicking the natural anticaries ability of the tooth by developing new, effective anticaries materials using fluorapatite nanorods or nanowires. We therefore investigated the conditions necessary to synthesize fluorapatite nanorods of different size, shape, and composition for future use either directly or indirectly, that is by incorporation into dental materials or in the treatment and prevention of caries. By controlling the chemical conditions, nanorods of desirable chemical composition and dimension were produced. The mechanism of how these structures were formed is also proposed.

AB - In natural tooth enamel, fluoride is always present in the carbonated hydroxyapatite mineral and plays a key role in the prevention of tooth decay. In this study we aimed at mimicking the natural anticaries ability of the tooth by developing new, effective anticaries materials using fluorapatite nanorods or nanowires. We therefore investigated the conditions necessary to synthesize fluorapatite nanorods of different size, shape, and composition for future use either directly or indirectly, that is by incorporation into dental materials or in the treatment and prevention of caries. By controlling the chemical conditions, nanorods of desirable chemical composition and dimension were produced. The mechanism of how these structures were formed is also proposed.

T1 - Synthesis of single-crystalline niobate nanorods via ion-exchange based on molten-salt reaction
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    Carbon nanocage supported synthesis of V2O5 nanorods and V2O5/TiO2 nanocomposites for Li-ion batteries.

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Synthesis of carbonated hydroxyapatite nanorods in …

This paper reports the synthesis and luminescence properties of rare earth doped BiPO4:Ce,Tb nanorods which were prepared via a solvothermal method. The nanorods are of hexagonal structure and they have intense luminescence. In Ce3+/Tb3+ co-doped nanorods, there is energy transfer from Ce3+ to Tb3+ which enhances the luminescence of Tb3+. These materials may find applications in solid state lighting and radiation detection.

Synthesis of carbonated hydroxyapatite nanorods in liquid crystals

We report the room temperature (RT) synthesis of silver vanadate nanorods (consisting of mainly β-AgVO3) by a simple wet chemical route and their frictional study at high temperatures (HT). The sudden mixing of ammonium vanadate with silver nitrate solution under constant magnetic stirring resulted in a pale yellow coloured precipitate. Structural/microstructural characterization of the precipitate through x-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) revealed the high yield and homogeneous formation of silver vanadate nanorods. The length of the nanorods was 20-40 μm and the thickness 100-600 nm. The pH variation with respect to time was thoroughly studied to understand the formation mechanism of the silver vanadate nanorods. This synthesis process neither demands HT, surfactants nor long reaction time. The silver vanadate nanomaterial showed good lubrication behaviour at HT (700 °C) and the friction coefficient was between 0.2 and 0.3. HT-XRD revealed that AgVO3 completely transformed into silver vanadium oxide (Ag2V 4O11) and silver with an increase in temperature from RT to 700 °C.

L-6 Nanorods Synthesis | Zinc Oxide | Nanoparticle

N2 - We report the room temperature (RT) synthesis of silver vanadate nanorods (consisting of mainly β-AgVO3) by a simple wet chemical route and their frictional study at high temperatures (HT). The sudden mixing of ammonium vanadate with silver nitrate solution under constant magnetic stirring resulted in a pale yellow coloured precipitate. Structural/microstructural characterization of the precipitate through x-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) revealed the high yield and homogeneous formation of silver vanadate nanorods. The length of the nanorods was 20-40 μm and the thickness 100-600 nm. The pH variation with respect to time was thoroughly studied to understand the formation mechanism of the silver vanadate nanorods. This synthesis process neither demands HT, surfactants nor long reaction time. The silver vanadate nanomaterial showed good lubrication behaviour at HT (700 °C) and the friction coefficient was between 0.2 and 0.3. HT-XRD revealed that AgVO3 completely transformed into silver vanadium oxide (Ag2V 4O11) and silver with an increase in temperature from RT to 700 °C.

High-Temperature Seedless Synthesis of Gold Nanorods

N2 - This paper reports the synthesis and luminescence properties of rare earth doped BiPO4:Ce,Tb nanorods which were prepared via a solvothermal method. The nanorods are of hexagonal structure and they have intense luminescence. In Ce3+/Tb3+ co-doped nanorods, there is energy transfer from Ce3+ to Tb3+ which enhances the luminescence of Tb3+. These materials may find applications in solid state lighting and radiation detection.

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