Orange-red emitting praseodymium (Pr3+) activated yttrium molybdenum oxide (Y2MoO6) nanophosphors (NPs) were synthesized via low-temperature solution combustion method using Aloe vera gel as surfactant and fuel. The synthesized NPs were subjected to structural, morphological, optical, and electrical studies. The powder X-ray diffraction (PXRD) study reveals that the Y2MoO6 composites belong to monoclinic

The photocatalytic antibacterial activity of a nickel-doped titanium dioxide nanoparticle mesh (Ni-TiO2 mesh) against Escherichia coli was investigated in chlorinated water under ultrashort-term dual ultraviolet (UV) irradiation. Ni-TiO2 nanoparticles (NPs) were prepared via Ni doping to TiO2 NPs and uniformly distributed on the mesh via electrospraying and hot-pressing, of which the morphology and

This work demonstrates the fabrication of a highly selective ammonia (NH3) gas sensor based on Graphene/Silver-Silver Oxide/Polypyyrole (Gr/Ag-Ag2O/PPy) nanocomposite. To archive this objective, a cost-effective, room temperature mediated solution-based synthesis of Gr/Ag-Ag2O/PPy nanocomposite exploited as an efficient performance NH3 gas sensor through combining the exceptional electrical characteristics

In the present paper, various fluxes assisted Eu3+ doped SrTiO3 nanophosphors were prepared via a solution combustion route. Among all fluxes, NH4F was found to be an appropriate one, which can reduce the forming temperature, improve morphology and enhance the luminescence intensity by two-fold to that of without added flux. Hence, NH4F assisted with SrTiO3:Eu3+ nanophosphor was utilized to fabricate

This work describes the synthesis of sebacic acid capped silver nanoparticles (SA-AgNPs) by the wet chemical method for the detection of l-Histidine in blood serum and urine samples. The synthesized SA-AgNPs were characterized by several techniques. The obtained particles were spherical in shape and the average diameter was calculated by HR-TEM images to be 11 nm. Moreover, the synthesized SA-AgNPs

The ternary nanocomposite of Ag@WO3@rGO was synthesized via a two-step hydrothermal method in which the binary composite of the Ag-doped WO3 (Ag@WO3) prepared by the 1st hydrothermal step was combined with the reduced graphene oxide (rGO) via the ultrasonic-assisted 2nd hydrothermal step. The composition with Ag and rGO helped to reduce the optical bandgap energy of WO3, and thereby to enhance the

Recently developed ingenious devices fabrication, van der Waals (vdW) heterojunction integration, and characterization techniques of the novel two-dimensional layered materials (2DLMs) have profoundly promoted the in-depth research in terms of the extraordinary properties of 2DLMs, which are conducive to the precise manipulation of thin atomical layer materials. It is possible to realize the fabrication

This is the first report on the optical and resistance properties of copper aluminum oxide thin films for applications as thermal infrared imagers. The deposition of these thin films was investigated under three series of reactive magnetron sputtering conditions. Structural characterization identified the P63mmc hexagonal crystalline structure of CuAlO2 although the 150- to 350-nm films were in a non-stoichiometric

The heterostructure of TiO2 and macroporous silicon of this work may represent the simplest relaxation oscillation ever reported, consisting of macroporous Si with TiO2 grown on its pore walls, and metallic contacts. This is also the first relaxation oscillator of TiO2 and Si. Such oscillators are commonly formed by a capacitor or an inductor and a feedback loop with a switching device operating with

We developed a novel BW-CS/ZnHA biocomposite utilizing Beeswax-Chitosan and Zinc-hydroxyapatite nanoparticles (ZnHAP). The uniformed mixture of beeswax-chitosan and ZnHAP was freeze-dried to get a porous biocomposite. The fabricated biocomposite was characterized using FTIR, XRD, and SEM. Moreover, the antibacterial, swelling, biodegradations, viability, and cell proliferation capacity of the fabricated

Dielectrophoresis (DEP) is known as an attractive and frugal technique to manipulate biological particles in microfluidics. This study presents the advanced solution strategy of a DEP-based microfluidic channel for focusing and separating cancerous cells in continuous flow. Theoretical calculations were carried out to define the favorable parameters in the electric field operation of the microchip

The micro/nano surface structure of triboelectric layers possesses a critical impact on the performance of triboelectric nanogenerators (TENG). Here, we present a solution for the enhancement of the triboelectric performance by utilizing a Q-switched Pulsed Laser (QSL) that directly writes on an Aluminum surface in the net configuration. The crinkled nanostructure of the surface of Polytetrafluoroethylene

Novel and highly effective red emitting phosphor Pr3+ doped (1–11 mol %) Lanthanum Oxyfluoride (LaOF) nanoparticles were synthesized as part of solid state white light emitting diodes by a low temperature solution combustion method using Centella asiatica leaf extract as a reducing agent. The structural and optical characterization of the nanophosphor is described. The nanophosphor shows a prominent

We have synthesized BaWO4–MoS2 nanocomposites by the simple co-precipitation method and investigated their photocatalytic activities with Rhodamine-B as a test contaminant. The BaWO4/MoS2 photocatalyst was characterized by X-ray diffraction (XRD), Energy dispersive X-ray analysis (EDAX), Fourier Transform Infra-Red spectroscopy (FT-IR), and Scanning Electron Microscopy (SEM) and Brunauer–Emmett–Teller

The acellular adipose matrix (AAM) represents a promising source of biomaterial for applications in soft tissue regeneration. In this study, we aimed to prepare an injectable AAM to serve as a ready-to-use allograft. A fabrication procedure including harvesting, delipidating, and decellularizing was established. Accordingly, we proposed a mechanical disruption during delipidation and a final homogenization

Temperature dependent changes in the structural, nanomorphological and optical characteristics of the 2D layered molybdenum diselenide (MoSe2), processed by electrophoretic coating (EPC) method, were examined. EPC processed MoSe2 was subjected to Raman spectroscopy confirming distinct active modes of A1g, E11g and E22u at 240.9 cm−1, 282.53 cm−1 and 337.7 cm−1, respectively. The in- and out-of plane

In the present investigation, the wet chemical combustion method was used for the first time to prepare La10Si6O27 phosphors by incorporating Dy3+(1–11 mol %) cations (LNPs). The powder X-ray diffraction patterns of LNPs display the oxyapatite hexagonal phase. The estimated crystallite size, using Scherer's method, is between 20 and 30 nm and the same was confirmed via Transmission Electron Microscopy

ZrB2 matrix composites toughened with in-situ formed ZrC were fabricated by spark plasma sintering (SPS) utilizing ZrB2/ZrO2/graphite powder mixtures at 1900 °C for 7 min under 40 MPa load. Different amounts of graphite nano-flakes (3, 6, and 9 wt%) were added to ZrB2–20 vol% ZrO2 aiming in-situ formation of ZrC reinforcement. Clean ZrB2/ZrC interfaces were observed in the as-sintered microstructure

In this study, a preparation route of Co–Cu alloys with soft magnetic properties by high-pressure torsion deformation is introduced. Nanocrystalline, supersaturated single-phase microstructures are obtained after deformation of Co–Cu alloys, which are prepared from an initial powder mixture with Co-contents above 70 wt.%. Isochronal annealing treatments up to 400 °C further reveal a remarkable microstructural

In the present study, we have follwed the hydrothermal path for the synthesis of gold nanoparticles (Au NPs) from the biomaterial Elaeocarpus ganitrus seeds extract, which is a rapid, eco-friendly, non-chemical way. The prepared NPs were thoroughly analysed by powder x-ray diffraction and high resolution transmission electron microscopy studies and were also tested for anticancer studies. Besides,

We report a novel strategy to enhance the dielectric breakdown strength and the energy storage performance of lead-free relaxor ferroelectric ceramics through the fabrication of semiconductor/relaxor 0–3 type composites based on 0.6Ba(Zr0.2Ti0.8)O3-0.4(Ba0.7Ca0.3)TiO3 [BZCT] and ZnO. X-ray diffraction (XRD), Raman spectroscopy, and scanning electron microscopy (SEM) measurements confirm the formation

In this article, heterostructures from graphene (G) and molybdenum disulfide (MoS2) were used as electrode materials in a hybrid supercapacitor. A general and facile method for the preparation of a G/MoS2 hybrid supercapacitor has been developed. Using a slurry technique, the G/MoS2 hybrid supercapacitor electrode was fabricated and its electrochemical performances in aqueous solution were investigated

Iron oxide nanostructures have been studied extensively because of their excellent magnetic, optical, electrical, and catalytic properties. This work introduces a simple process to synthesize directly bi-phase α-/γ-Fe2O3 submicron flowers on a Fe foil in NH4OH. The flowers were assembled by using many nanoplates with an estimated thickness of 20–80 nm. The shapes and dimensions of the flowers can be

The evolution of next-generation neural interfaces toward high-density, high-fidelity, and long-term recordings coupled with the advent of complex fabrication techniques drives the development of 3D nanostructures to bridge the neuron-artificial device interface. This is largely due to several observations of high signal-to-noise ratios recorded from high-aspect-ratio 3D nanoelectrodes enabled by an

Microfluidics has demonstrated enormous potential through its role in recent advances in biological sciences. However, designing a new and customized microfluidic platform, gaining a better understanding of its function and the underlying physics still pose significant technical challenges. On the one hand, experimental approaches have been commonly used for the development of microfluidic devices

Diatomite is mined in Phu Yen province, Vietnam and the Fe2O3-diatomite materials are synthesized by a simple process for the photo-Fenton reaction of rhodamine B (RhB) degradation. The pure diatomite and Fe2O3-diatomite materials have large pore structures representing the high adsorption ability and efficient photocatalysis. Characterizations of diatomite-Fe2O3 materials were determined by X-ray

A dominant interfacial recombination pathway in the dye sensitized solar cell (DSSC) was suppressed by coating graphene oxide (GO) on the titanium dioxide (TiO2) nanoparticle layer via the electrophoretic deposition (EPD) method. DSSC utilizing 5 min coating of GO by EPD on TiO2 nanoparticle layer showed 5% enhancement in the photo-conversion efficiency (from 5.7% to 6.0%), and 5% enhancement in the

In this paper, we report on the synthesis of solid polymer electrolytes (SPEs) on the basis of 95 wt.% PEO and 5 wt.% of anhydrous cobalt (II) chloride hexahydrate (CoCl2·6H2O), hereafter called PCL5, by the spin-coating technique using different types of glass (normal, quartz, ITO) substrates. The PCL5 electrolyte exhibits the highest conductivity and the lowest optical bandgap and hence, it was selected

A manganese oxides mediator was electrodeposited onto a low-cost pencil graphite electrode (PE) from an easily available and affordable potassium permanganate precursor. The modified manganese oxides coated PE (MnOxides/PE) was previously utilized as a hydrogen peroxide sensor according to its electrocatalytic activity for hydrogen peroxide oxidation in an ammonium buffer (pH 9.0) medium. The amperometric

Suitable three-dimensional scaffolds showing controllable drug delivery properties, known as multifunctional scaffolds, have gained increasing interest for soft tissue engineering. Here, tetracycline hydrochloride-encapsulated polylactic acid (TCH-PLA) microparticles prepared by using the double emulsion/solvent evaporation method were incorporated into a gelatin matrix. Highly interconnected porous

The lithium titanate (LTO) nanoparticles have been prepared by a chemical and green synthesis method and characterized by XRD, FE-SEM, FTIR, Raman, CV and EIS analysis. The XRD result ensured that the LTO exhibits a cubic spinel structure with the space group of Fd3m. The surface morphology of the prepared anode materials has been studied by FE-SEM and TEM analysis. The LTO nano anode material prepared

To promote and enhance the biological responses of implant hydroxyapatite (HAP) coatings, these are modified by substitution with various ions for the development of bioactive bone implants. In the present work, we have fabricated a MgO/Tb,Eu-HAP dual substituted hydroxyapatite coating on borate passivated 316L stainless steel (316L SS) by the electrodeposition method. The MgO/Tb,Eu-HAP dual substituted

This study deals with the fabrication and tribo-mechanical characterization of magnesium (Mg)-silicon carbide (SiC)- graphite (Gr) hybrid metal matrix composites (MMCs). The hybrid MMCs were fabricated by a mechanical alloying process and their mechanical and tribological properties were investigated as well as compared with those of the base material and the Mg-Gr composite. The morphology analysis

Micro-nanoscale core–shell particles are distinguishable from other particle types because of their unique composition. Core-shell particles combine the features of both the core and shell materials, while exhibiting smart properties resulting from their materials. In the past few years, the research community has paid increasing attention to the generation and application of core–shell structures

Human-pathogenic viruses are still a chief reason for illness and death on the globe, as epitomized by the COVID-19 pandemic instigated by a coronavirus in 2020. Multiple novel sensors have been invented because diseases must be detected and diagnosed as early as possible, and recognition methods have to be carried out with minimal invasivity. Sensors have been particularly developed focusing on miniaturization

Flexible electronics are excepted to be an important support for the next electronic age, and their quick, cost-effective, and easily realized fabrication is a key motivating factor to the on-going and future applications. The fabrication technique derived from day-to-day handwriting has prompted the advancement of producing flexible electronics with readily available, low-cost and user-friendly tools

In this work, for the first time, we report a novel method on the fracture toughness enhancement of 3 mol % yttria-stabilized tetragonal zirconia polycrystalline (3Y-TZP) ceramics through the incorporation of 8 mol % magnesia-partially stabilized zirconia (8 Mg-PSZ) powders having high fracture toughness. Highly densified composites (x3Y-TZP/y8Mg-PSZ; where x and y vary between 0.25 and 0.75 wt. %)

The current study reports on the electroanalysis of Riboflavin (RF) on the surface of a poly dl-phenylalanine modified carbon paste sensor (PDLPAMCPS). The developed sensor caused a noticeable electrocatalytic action for the redox activity of RF in a phosphate buffer solution (PBS) of pH 6.5. This analysis was evaluated using differential pulse voltammetry (DPV) and cyclic voltammetry (CV) techniques

Al doped zinc oxide (AZO) thin films are attempted to be formed on glass substrates via solution processing with 0, 0.5, 1, 2, 3, and 4 at% Al doping concentrations. Analysis of X-ray diffraction patterns and scanning electron microscopy micrographs indicate that the AZO thin films belong to the wurtzite hexagonal structure with (100), (002), (101), (102), (110), (103), (112) and (201) orientations

Amorphous lithium niobate (LiNbO3) films were deposited onto silicon substrates by the radio-frequency magnetron sputtering method in a pure Ar environment and an Ar + O2 gas mixture with various oxygen contents. The oxide charge existing in as-grown films has two components: the positive +Qox distributed in the bulk of a film and the negative −Qox located at the film/substrate interface with a maximum

This study aims to explore the potential of layered double hydroxides (LDHs) materials for the treatment of contaminated waters by organic pollutants, using a combined dual process, namely adsorption-photocatalysis. A series of LDHs of ZnCr-X where (X = Cl, SO4 and CO3) were synthesized and characterized by several techniques such as DRX, FTIR, BET, TEM, and UV-Visible spectrophotometry. The pollutant

Herein, a series of SrTiO3:Nd3+ (1–11 mol %) nanophosphors has been prepared via a conventional hydrothermal route. Their anti-counterfeiting and latent fingerprint visualization applications are reported, which show important level-III features and unclonable tags. The cubic structure was confirmed by powdered X-ray diffraction studies with space group Pm-3m (No-221). The photoluminescence (PL) characterization

It is noticed that the buoyantly convective flow of non-Newtonian fluids equipped in the closed cavities is not investigated at the large frame in comparison with the viscous fluids. This is because of the complication of computational boundaries. Therefore, the present analysis is a notable attempt to examine the non-Newtonian fluid equipped in a rhombus-shaped enclosure. The heated T-shaped fin is

The bioreduction of Zinc nitrate hexahydrate using crude leaf extract of Gulmohar, by a combustion method at 400 °C was carried out to form the ZnO nanostructures. The structural, morphological and optic properties of the nanostructures were characterized by UV- Visible spectroscopy, XRD analysis, FTIR spectroscopy, SEM, and TEM. The antibacterial activity of pure wurtzite ZnO NPs was carried out by

To ensure the magnetostrictive softness, the homogeneity, the decrease of the shear-lag effect and the space-saving construction of narrowed longitudinal-transverse L-T magnetoelectric (ME) composites, a novel parallel-connected-multi-bars (PCMB) geometry of PZT/Metglas is proposed and investigated by simulation and experiment. In this case, Metglas layers are structured in different geometries from

NASICON-type electrolyte is one of the possible solid-state electrolytes to be employed in solid-state energy devices. The Li1+xAlxSn2-xP3O12 NASICON-based solid electrolyte materials were fabricated using a mechanochemical milling method at 650 °C for 8 h, where x is from 0 to 0.8. From the X-ray diffraction (XRD) analysis, the crystallographic phases of the parent material and the partial aluminium

Electrochemical hydrogen evolution reaction (HER) using non-precious compounds has gained substantial interest in the development of water electrolyzers. Herein, we report the synthesis of Copper sulfide (Cu2S) micro-hexagons via a hydrothermal method, followed by some of the important physiochemical characterizations and electrochemical measurements towards the HER. Cu2S micro-hexagons could catalyze

The structural, electronic, magnetic, thermoelectric and thermodynamic properties of Ba3MnNb2O9 have been investigated using the full-potential linearized augmented plane wave method. Besides, the thermodynamic properties of the materials of interest have been studied using the quasi-harmonic Debye model accommodating the lattice vibrations effects. A comparison between the computed crystal structure

A colorimetric chemosensor for hydrogen peroxide (H2O2) and biosensor for cholesterol is developed in this work following a ‘label-free and reagentless’ concept. In this strategy, silver nanoparticles (AgNPs) are used as a bifunctional probe, namely, a chemical capture probe for H2O2 recognition and a signal probe for displaying detection results. The working principle of these colorimetric sensors

The monitoring and classification of different gases using a single resistive semiconductor sensor are challenging because of the similar response characteristics. An array of separated sensors can be used as an electronic nose, but such arrays have a bulky structure and complex fabrication processes. Herein, we easily fabricated a gas-sensor array based on edge-grown SnO2 nanowires for the real-time

Excellent conducting solid polymer electrolyte films were prepared by using Polyvinyl alcohol (PVA) and Iron alum through a reactive blending process. The effect of the concentration of the iron alum on the conducting behavior was studied in detail by varying the concentration of the alum in the PVA matrix. The functionality was studied using the Infrared (FT-IR) spectroscopic technique. A thermal

In this study, carbon-encapsulated hematite nanocubes with an edge length of ~20 nm (α-Fe2O3@C) were prepared by a two-step hydrothermal method using glucose as a carbon source. The α-Fe2O3@C nanocomposite was found to exhibit enhanced adsorption efficiency for inorganic chromium (VI) ions as compared to bare α-Fe2O3 nanocubes. At optimized conditions, the maximum adsorption capacity and removal efficiency

In this article, we provide an in-depth review of important works on phase segregation which occurs as a result of mixing organic semiconductors with polymeric additives. Throughout the discussion, the indispensable correlations among phase segregation, crystal growth, layer structure and film morphology are showcased using specific examples that mainly entail small-molecule organic semiconductors

3D lion's mane like AlV3O9 microspheres deposited on the well-exfoliated graphene were successfully synthesised through a facile solvothermal method where the graphene sheet was prepared solely via the liquid phase exfoliation process. The highly electrical conductive graphene was introduced as a conductive substrate or a backbone to support the diffusion of the electrolyte ions (OH−). In order to

We report on a controlled process of atomic-scale material design based on calcination-temperature-induced structural variation and its influence on capacitive energy storage characteristics of spinel-structured NiCo2O4 rods (NCOR). Precisely, morphology-tuned NCOR were grown through a facile solvothermal process followed by a controlled calcination. The meticulous thermal-kinetics study revealed that