Sonochemical synthesis, structural, magnetic and grain size dependent electrical properties of NdVO4 nanoparticles

Abstract

NdVO4 nanoparticles are successfully synthesized by efficient sonochemical method using two different structural directing agents like CTAB and P123. The phase formation and functional group analysis are carried out using X-ray diffraction (XRD) and fourier transform infra red (FT-IR) spectra, respectively. Using Scherrer equation the calculated grain sizes are 27 nm, 24 nm and 20 nm corresponding to NdVO4 synthesized by without surfactant, with CTAB and P123, respectively. The TEM images revealed that the shape of NdVO4 particles is rice-like and rod shaped particles while using CTAB and P123 as surfactants. The growth mechanism of NdVO4 nanoparticles is elucidated with the aid of TEM analysis. From electrical analysis, the conductivity of NdVO4 nanoparticles synthesized without surfactant showed a higher conductivity of 5.5703 × 10(-6) S cm(-1). The conductivity of the material depends on grain size and increased with increase in grain size due to the grain size effect. The magnetic measurements indicated the paramagnetic behavior of NdVO4 nanoparticles.

Investigations of Microstructure and Dc Conductivity of V2O5‐Nd2O3 Glass Nanocomposites

“…Moreover, Figure has revealed the single‐phase formation of tetragonal crystalline structured NdVO 4 with a = 7.317 Å, b = 7.317 Å and c = 6.422 Å. The XRD pattern is similar to that due to ultrasonic irradiated NdVO 4 nanoparticles …”

“…Figure represents TEM image of as‐prepared x V 2 O 5 ‐(1‐ x ) Nd 2 O 3 , with x = 0.4, which describes distribution of V 2 O 5 and NdVO 4 spherical nanoparticles . It is estimated from Figure that the sizes of V 2 O 5 and NdVO 4 nanoparticles are 23–36 nm and ∼45.65 nm respectively.…”

Photocatalytic Water Splitting for O2 Production under Visible Light Irradiation Using NdVO4-V2O5 Hybrid Powders

“…The structure of NdVO 4 depends on the Nd 3+ ion, which is dodecahedrally surrounded by eight oxygen ions between the neighboring tetrahedral (VO 4 3− ) [1], which belongs to ABO 4 -type structures. NdVO 4 has unique properties, such as luminescence [2], magnetization [1] and as a photocatalytic degradation dye under irradiation with visible light [3] or ultraviolet light [4,5]. Oshikiri and Boero [6] reported that NdVO 4 is used to produce hydrogen from water and an aqueous solution of methanol under a 400-W Hg high-pressure lamp using an inner-irradiation-type quartz cell.…”

“…Oshikiri and Boero [6] reported that NdVO 4 is used to produce hydrogen from water and an aqueous solution of methanol under a 400-W Hg high-pressure lamp using an inner-irradiation-type quartz cell. Recently, several techniques have been used for the synthesis of NdVO 4 particles, such as the two steps of the hydrothermal reaction at 180 °C [7], the sonochemical method [1], microwave synthesis [8] and the Czochralski method at ambient pressure in a nitrogen atmosphere [9]. Solvothermal synthesis in ethylene glycol is a glycothermal method, also called the polyol method [10], which is a process with a lower synthesis temperature than the solid state, hydrothermal and flux methods.…”

Electrical and magnetic properties of spherical SmFeO 3 synthesized by aspartic acid assisted combustion method

“…Wet chemical methods have some advantages, including good homogeneity, control of stoichiometry and control of the particle size. However, they have some drawbacks such as long reaction time, the need for sophisticated instrument facilities and the often high cost of the solvent medium [19].…”