Shivaji B Sadale

• M.Sc. Ph.D.
• Professor at Shivaji University

This work investigates the complexity involved in extraordinary (E-mode) and ordinary (O-mode) mode in the presence of external magnetic field in self-focusing of higher-order mode of elegant Hermite–cosh-Gaussian laser beams within collisionless magnetized plasma medium. Specifically, complexity in beam width parameters is highlighted through the...

This work investigates the polarization modes i.e., Extraordinary (E-mode) and Ordinary (O-mode) on self-focusing of higher-order mode of elegant Hermite-cosh-Gaussian (EHChG) laser beams within collisionless magnetized plasma medium. In this study, the authors have taken transverse electromagnetic ([Formula: see text]) mode with mode indices (0, 4...

The Nickel tungsten (Ni-W) alloy was electrodeposited on stainless steel (SS) substrate using potentiostatic mode at room temperature. Potentiostatic electrodeposition was carried out by varying the deposition time. The physicochemical properties of Ni-W alloys were studied using X-Ray diffraction (XRD), Electron Microscopy and micro-Raman spectros...

In recent years, magnetorheological fluid dampers have been paid more attention because of their smart nature and properties. This paper presents the mathematical background of magnetorheological fluid dampers and their use in advanced technological applications. The main objective of this paper is to delineate how to find equations of motion for d...

In recent years, magnetorheological dampers have been paid more attention because of their smart nature. This paper explains in detail the mathematical background of magnetorheological fluids, their use in MR dampers, and its applications in vibration control. The purpose of this paper is to delineate how to derive equations of motion for dynamics...

The redox additive in an aqueous gel electrolyte is reported as one of the efficient methods to improve the electrochemical supercapacitor performance. Here, we report the role of redox additive, potassium ferricyanide((K3[Fe(CN)6]), referred to as KFCN) for improving the electrochemical performance of binder-free, CuCo2O4 (CCO) nanowire arrays (NW...

Inorganic cesium lead halide perovskites have gained increasing attention to boost photovoltaic performance and device stability.

Electrochromic devices are mainly investigated for energy harvesting and saving applications. Electrochromic supercapacitors (ECSC) attract smart electronics device applications by integrating electrochromic materials into energy storage devices. WO3 has been predominantly investigated materials for this application. Amorphous, transparent WO3 thin...

Photoreduction of carbon dioxide (CO2) in gas phase was investigated over composites of Cu2O nanoparticles (CNPs) and anodized TiO2 nanotube arrays (TNAs). CNPs with an average size of 90 nm were pulse-electrodeposited on vertically aligned hollow TiO2 nanotubes having average pore size of 90 nm. Radical trapping experiments with electron spin reso...

An electrochromic material is characterized by its ability to sustain reversible and persistent change in the optical properties when a suitable potential is applied to it. Nickel oxide (NiO) is a p-type semiconductor metal oxide with a wide bandgap of 3.6eV whose I-V characteristics, electrochromic and energy-storing properties have been widely i...

Transition metal chalcogenides are gaining attraction in the emerging energy-storing field owing to their captivating properties. Molybdenum disulfide (MoS2) was deposited on Ni foam by using a one-step electrodeposition method. X-ray diffraction study showed that the deposited MoS2 was amorphous, and X-ray photoelectron spectroscopy confirms the p...

The present investigation describes the effect of deposition potential and annealing on copper oxide (CuO) thin film as a supercapacitor electrode. CuO thin films were grown on conducting glass substrate (ITO) by electrodeposition at room temperature and annealed for 3 h at 300 °C. The formation of polycrystalline CuO was confirmed by X-ray diffrac...

Electrochromic materials are characterized by its ability to sustain reversible and persistent changes in the optical properties upon application of potential. Tungsten trioxide (WO3), an n-type, wide band gap semiconductor metal oxide remains the most promising candidate for electrochromism. Recently, electrochromic devices have been adopted to in...

Finding supercapacitive materials with high energy and power densities has attracted significant interest in recent years. Herein, we are reporting layered MnWO4 nanostructure for supercapacitor applications. MnWO4//AC asymmetric cell was fabricated by using hydrothermally synthesized MnWO4 nanostructure as a cathode and activated carbon as an anod...

Finding supercapacitive materials with high energy and power densities has attracted significant interest in recent years. Herein, we are reporting layered MnWO 4 nanostructure for supercapacitor applications. MnWO 4 //AC asymmetric cell was fabricated by using hydrothermally synthesized MnWO 4 nanostructure as a cathode and activated carbon as an...

We report a real-time investigation on the photocatalytic decomposition of methanol over Cu2O-loaded TiO2 nanotube arrays (TNAs) in high vacuum. Cu2O-loaded TNAs were fabricated using all-electrochemical processes. TNAs were prepared by anodizing Ti foils, and Cu2O nanoparticles (CNPs) were pulse-electrodeposited onto anodized TNA surfaces. The pho...

Polycrystalline, monoclinic, uniform WO3 films of up to 2.5 μm thickness were prepared by drop casting onto F:SnO2/glass using as precursor peroxo-tungstic acid and polyethylene glycol in water, and firing in air at 520 °C. The n-type WO3 layers produced photocurrents in junctions with aqueous electrolytes. Under depletion conditions, IPCEs (incide...

Objective: Nectar is a sweet sustenance substance which organization, shading, flavor, and kind of nectar depend primarily on the blossoms, land districts and atmosphere and bumble bee species. We analyzed physicochemical and sensorial qualities attributed to different honey bee species in western Maharashtra of India. Methodology: Apis dorsata, Ce...

An electrochromic material is characterized by its ability to sustain reversible and persistent changes of the optical properties when a potential is applied to it. Tungsten oxide is an n-type, wide bandgap semiconductor metal oxide whose I-V characteristics, electrochromic, gas sensing properties have been widely investigated, it remains the most...

Aims: The aim of this study was to optimize clarification process of the Aloe vera juice followed by its preservation by ohmic heating as no systematic study has been conducted on these aspects. Study Design: The enzymatic clarification method was used for clarification of Aloe vera juice by using the enzyme pectinase. The enzyme concentration, inc...

A Magnetorheological fluid belongs to a class of non-newtonian fluid. In MR fluids, the motion of particles is not free motion, but rather it is restricted by applying some action of internal and external forces on the motion of a particle or system of particles. The classical mechanics developed by D’Alembert, Lagrange, Hamilton and Jacobi, which...

Electrorheological fluid is a class of smart material. When subjected to a electric or magnetic field, the electrorheological fluid changes its rheological properties within millisecond. This rheological properties of ER fluid can be exploited in electrorheological damper. ER fluid dampers enables active and semi-active suspension with reaction tim...

Copper incorporated zinc oxide (Cu-ZnO) thin films were synthesized onto the glass and tin doped indium oxide (ITO) coated glass substrates at 450 degrees C by simple and cost-effective spray pyrolysis technique (SPT). The X-ray diffraction (XRD) patterns confirmed the polycrystalline nature of the films having hexagonal crystal structure. A compac...

The biggest challenges before the present world is about deflecting energy source and rising energy demand. Expiation of natural resource for making needs of energy is causing threat to the environment. There is immediate need of finding alternative energy source. Di-Methyl Ether (DME) has potential candidate for alternative fuel. In addition, sinc...

Here we report on our investigation on photocatalytic oxidation (PCO) of gaseous methanol with WO3–TiO2 composite films. WO3 and WO3–TiO2 composite thin films were prepared by drop casting method. PCO of gaseous methanol and hydrogen generation process on platinum loaded WO3–TiO2 composite thin films in high vacuum were investigated using a home-ma...

Polycrystalline, monoclinic, uniform WO3 films of up to 2.5 μm thickness were prepared by drop casting onto F:SnO2/glass using as precursor peroxo-tungstic acid and polyethylene glycol in water, and firing in air at 520°C. Under illumination of such n-type semiconducting electrodes in junctions with aqueous electrolytes, photocurrents were produced...

Thin films of titanium dioxide were deposited onto optically transparent, electrically conducting substrates (fluorine doped tin oxide on glass). The two oxide layers, SnO2 and TiO2, were deposited sequentially by spray pyrolysis. TiO2 films of up to 800 nm thickness were prepared by varying the quantity of sprayed solution (titanyl acetylacetonate...

The nucleation and growth mechanism of the electrodeposited zinc oxide thin films on fluorine-doped tin oxide (FTO) coated (10–20 Ω/cm2) glass substrates from acetate solution, without and with ex situ oxygen bubbling, has been studied by cyclic voltammetry (CV), chronoamperometry (CA) and scanning electron microscopy (SEM) techniques. Ethylene dia...

Highly textured tungsten disulfide (WS2) thin films have been obtained by sulfurization of tungsten trioxide. The properties of WS2 thin films prepared with bismuth interfacial layer as texture promoter has been studied. The WS2 thin films were found to have predominant type-II orientation. The stacking of 2H-WS2 crystallites observed with scanning...

Molybdenum-doped iridium oxide thin films have been deposited onto corning glass- and fluorine-doped tin oxide coated corning glass substrates at 350 °C by using a pneumatic spray pyrolysis technique. An aqueous solution of 0.01 M ammonium molybdate was mixed with 0.01 M iridium trichloride solution in different volume proportions and the resultant...

Tungsten disulfide (WS2) films were obtained by solid state reaction of spray deposited WO3 with gaseous sulfur i.e. solid gas phase reaction (SGP). The XRD and SEM studies revealed the formation of WS2 thin films on quartz substrate with a mixed type-I and type-II texture. The WS2 thin films prepared with a controlled heating/cooling rate of 323 K...

TiO2 doped WO3 thin films were deposited onto glass substrates and fluorine doped tin oxide (FTO) coated conducting glass substrates, maintained at 500 °C by pyrolytic decomposition of adequate precursor solution. Equimolar ammonium tungstate ((NH4)2WO4) and titanyl acetyl acetonate (TiAcAc) solutions were mixed together at pH 9 in volume proportio...

Electrochromic iridium oxide thin films were prepared by using a simple and inexpensive spray pyrolysis technique onto fluorine doped tin oxide (FTO)-coated glass substrates, from iridium chloride solution. The substrate temperature was varied between 250 and 400 °C. The as-deposited samples were amorphous. The electrochromic properties of thin fil...

TiO2-doped WO3 thin films were deposited onto fluorine-doped tin oxide coated conducting glass substrates using spray pyrolysis technique at 525°C. The volume percentage of TiO2 dopant was varied from 13% to 38%. The thin film samples were transparent, uniform and strongly adherent to the substrates. Electrochromical properties of TiO2-doped WO3 th...

Electrochromic iridium oxide thin films were deposited onto fluorine doped tin oxide coated glass substrates from an aqueous iridium chloride solution by pneumatic spray pyrolysis technique. The as-deposited samples were X-ray amorphous. The electrochromic properties of thin films were studied in an aqueous electrolyte (0.5N H2SO4) using cyclic vol...

Niobium Oxide (Nb2O5) thin films were deposited on the glass substrates, using spray pyrolysis technique. During deposition the preparative parameters like nozzle to substrate distance, spray rate, concentration of the sprayed solution were kept constant at optimized values. The effect of substrate (deposition) temperature (varied between 250 to 45...

The thin films of undoped tin oxide were deposited using organotin compound tri-n-butyltin acetate onto the amorphous glass substrates at 673 K by spray pyrolysis technique. The spraying solution concentration of tri-n-butyltin acetate was varied from 12.5 to 100 mM to deposit thin films of tin oxide and their structural, electrical and optical pro...

Iridium oxide thin films with variable thickness were deposited by spray pyrolysis technique (SPT), onto the amorphous glass substrates kept at 350 °C. The volume of iridium chloride solution was varied to obtain iridium oxide thin films with thickness ranging from 700 to 2250 Å. The effect of film thickness on structural and electrical properties...

Photoactive thin films of tungsten disulphide (WS2) have been prepared by sulphurization of tungsten trioxide (WO3) thin films. WO3 films have been deposited in an inert atmosphere onto the pre-deposited Ni coated quartz substrates by using an ultrasonic spray pyrolysis technique (USP). Subsequently, the WO3 films have been treated at 700°C in a se...