Unraveling the potential of sonochemically achieved DyMnO/DyO nanocomposites as highly efficient visible-light-driven photocatalysts in decolorization of organic contamination.

In the present day, the widespread presence of lingering contaminants in ecosystems has prompted scientists to develop novel semiconductor nanoarchitectures that assist in photocatalytic reactions mediated by visible light. As a result, we propose to prepare a series of Dy-Mn-O based nano-catalysts using a sonochemical approach utilizing various ionic phases of surfactants as structure-directing agents. In this study, X-ray diffraction (XRD) and Rietveld refinement techniques were used to explore the fundamental effects of surfactants on the compositional-structural features of the materials.

Simple sonochemical synthesis, characterization of TmVO nanostructure in the presence of Schiff-base ligands and investigation of its potential in the removal of toxic dyes.

Thulium vanadate (TmVO4) nanorods were successfully prepared by a simple sonochemical approach using Schiff-base ligands. Additionally, TmVO nanorods were employed as a photocatalyst. The most optimal crystal structure and morphology of TmVO4 have been determined and optimized by varying Schiff-base ligands, the molar ratio of H2Salen, the sonication time and power, and the calcination time.

Hydrothermal Synthesis of Spinel-Perovskite Li-Mn-Fe-Si Nanocomposites for Electrochemical Hydrogen Storage.

Owing to the extensive requirement for renewable energy sources such as hydrogen, great efforts are being devoted to optimizing the active ingredients for advanced hydrogen storage. In this regard, an ideal spinel-perovskite nanocomposite based on Li-Mn-Fe-Si materials was successfully fabricated via a one-pot hydrothermal route to store hydrogen electrochemically. To optimize both the phase composition and morphological features of nanostructures, the reaction was engineered under different conditions.

Electrochemical sensor based on a chitosan-molybdenum vanadate nanocomposite for detection of hydroxychloroquine in biological samples.

In this study, we firstly introduce an ultra-high sensitive VMoO-chitosan (MV-CHT) nanocomposite for electrochemical hydroxychloroquine sulfate (HCQ) monitoring toward paracetamol (PCM) and pantoprazole (PPZ) in environmental and clinical diagnostics. The single-phase MV nanostructures are prepared via the sol-gel pechini route, followed by engineering maleic acid as a structure-directing agent. The stabilization of the MV electro-catalysts is adopted by varying critical factors such as calcination temperature, different chelating ligands, chelating molality and cross-linker concentration.

Hydrothermal architecture of CuVO nanostructures as new electro-sensing catalysts for voltammetric quantification of mefenamic acid in pharmaceuticals and biological samples.

A novel nano-electrocatalyst based on CuVO is successfully fabricated by one-pot hydrothermal treatment and used for the examination of mefenamic acid (MFA) in real samples, for the first time. Controlling the combined factors of complexing agent's (4, 4'-Diaminodiphenylmethane, DDM) molar ratio, hydrothermal temperature, and reaction time is responsible for providing the optimal structural and morphological changes of the crystals. The effect of operating conditions of CuVO nanostructures is investigated using FT-IR, XRD, and EDX as structural and elemental analyses.

Sonochemical synthesis, characterization and application of PrVO nanostructures as an effective photocatalyst for discoloration of organic dye contaminants in wastewater.

In the current research, various conventional chemical preparation methods without ultrasound aid (precipitation, microwave, and hydrothermal) were compared with sonochemical procedure and were performed for providing of PrVO nanostructures using Schiff-base ligands. The small size products with monodisperse particles (~39 nm) optimized by sonochemical fabrication method and using H acacpn ligand via ultrasonic probe with power of 60 W and frequency of 18 KHz. The produced PrVO nanostructures applied for degradation of diverse organic dyes through the photocatalytic process.

Sonochemical-assisted route for synthesis of spherical shaped holmium vanadate nanocatalyst for polluted waste water treatment.

Solar photocatalytic process has been shown to be an energy effective and eco-friendly degradation of unwanted pollutants present in the industrial wastewater. The present study introduces the preparation and characterization of novel holmium vanadate (HoVO nanostructures that fully used in the photodegradation efficiency of anionic and cationic organic pollutants. HoVO synthesized via a sonochemical-assisted route and triethylenetetramine (TETA) was used as a capping and precipitation agent.

Ultrasound-accelerated synthesis of uniform DyVO nanoparticles as high activity visible-light-driven photocatalyst.

In order to obtain a highly efficient photocatalyst for water treatment, the sonochemical procedure applied to fabrication of excellent DyVO nanoparticles. A comparative study between two different synthesis routes (precipitation and sonochemical) was investigated in this work. Also, the influence of anionic, cationic and nonionic surfactant was studied on the formation of uniform particles.

Utilizing of neodymium vanadate nanoparticles as an efficient catalyst to boost the photocatalytic water purification.

Neodymium Vanadate (NdVO) nanostructures were successfully synthesized via a modified solid state method in the presence of ligand. These nanoparticles were further used as a photocatalyst. Primarily the best structural formations and smallest crystallite sizes of the systems were identified and optimized by changing the calcination time, calcination temperature and molar ratio of the ligand.

Application of ultrasound-aided method for the synthesis of NdVO nano-photocatalyst and investigation of eliminate dye in contaminant water.

This paper presents a new approach to preparation of neodymium vanadate nanostructures via facile sonochemical route. Several parameters were compared to reach optimum size and uniformity of as-made samples. These factors include sonication time, sonication power, solvent and using ethylenediamine as alkaline and capping agent, for the first time.