- Conducting polymers and applications
- Luminescence Properties of Advanced Materials
- Analytical Chemistry and Sensors
- Gas Sensing Nanomaterials and Sensors
- Supercapacitor Materials and Fabrication
- Luminescence and Fluorescent Materials
- Transition Metal Oxide Nanomaterials
- Forensic Fingerprint Detection Methods
- Advanced Sensor and Energy Harvesting Materials
- Biometric Identification and Security
- Dielectric materials and actuators
- Nanoparticles: synthesis and applications
- Glass properties and applications
- Advanced Photocatalysis Techniques
- Polymer Nanocomposite Synthesis and Irradiation
- Lanthanide and Transition Metal Complexes
- Nanotechnology research and applications
- Electrochemical sensors and biosensors
- ZnO doping and properties
- Advanced Battery Materials and Technologies
- Polydiacetylene-based materials and applications
- Chemistry and Chemical Engineering
- Radiation Detection and Scintillator Technologies
- Nanoplatforms for cancer theranostics
- Quantum Dots Synthesis And Properties
Gulbarga University
2016-2020
Tumkur University
2018
We have prepared Eu3+ activated phosphor from the host CaSc2O4 (CSO) via high-temperature facial solid-state route and characterized by various spectral techniques. Surface morphology composition was determined scanning electron microscope (SEM) X-ray energy dispersive spectroscopy (EDAX). The crystal structure refinements show Pnam 62 space group with two active centres for in CSO:Eu3+ phosphor. Additionally, first time detailed investigation of intermolecular interactions through Hirshfeld...
The polymer composites of polyaniline (PANI) with PVDF have been synthesized by polymerization method. different PANI are obtained adding 0.5, 1, 1.5, 2 and 2.5 N solutions during the to get PANI/PVDF composites. samples composite were characterized using X-Ray diffraction (XRD). dielectric properties such as constant, loss AC conductivity for at weight percentages studied a function frequency in range 5 Hz–35 MHz ambient temperature. It is found that permittivity decreased exponentially...
This study reports the synthesis of polypyrrole/NiO doped nanocomposites (NCs) as a shielding pigment in organic coatings. Polypyrrole/NiO NCs were prepared by in-situ chemical oxidative polymerization pyrrole monomer. Here dopant NiO nanoparticles (NPs) synthesized solution combustion method using <i>Aloe vera</i> gel fuel with ammonium per sulphate (APS) oxidant. Different concentrations (10-50 wt%) NPs incorporated into polypyrrole. The characterized means powder X-ray diffraction (PXRD),...
The main challenge in achieving high reliability while using a small portion of fingerprint for matching is that there may not be sufficient number minutiae but the uniqueness pore configurations provides powerful means to compensate this insufficiency. In paper pilot study was performed test presented approach confirms efficacy pores addition traditionally used fragmentary comparison. A simple efficient sweat mapping method based on TiO2:Ce3+ nanopowders (NPs) were developed analysis....
The polymer blend composites of PANI with PVDF/KDP have been synthesized by polymerization method. different are obtained adding 10, 20, 30, 40 and 50 wt% KDP were added PVDF 1N concentration during synthesis to get the composites. samples characterized using X-Ray diffraction (XRD). dielectric properties such as constant, loss AC conductivity for at weight percentages studied a function frequency in range 5 Hz–35 MHz room temperature. It is found that permittivity decreased exponentially...
Polyaniline (PANI)/Cobalt oxide (Co3O4) hybrid nanocomposites (NCs) were synthesized by means of in-situ polymerization using Cobalt nitrate as metal precursor, polymerizing agent and Aloe-Vera (A.V.) gel a fuel. The prepared nano composites characterized different characterization techniques such Powder XRD, SEM TEM. electrical properties PANI/Co3O4 NCs are very unique in comparison to the pure phases, PANI Co3O4 nanoparticles (NPs), which ascribed interaction between particles. DC...
This study reports the synthesis of Polyaniline/Cu-doped nanocomposites (NCs).Polyaniline/CuO -doped NCs were prepared by in situ polymerization Aniline monomer presence CuO-doped NPs synthesized solution combustion method using Aloe-vera gel as fuel with ammonium per sulfate (APS) oxidant.Different concentrations CuO (10-50 wt %) ncorporated into Polyaniline.The obtained final product was well characterized means PXRD, UV-Vis Spectroscophy , SEM, and transmission electron microscopy...
For the first time green route method was used to synthesize pure and Mg<sup>2+ </sup>(1-11 mol%) doped Y<sub>2</sub>O<sub>3</sub> nanophosphors by using <i>Aloe vera </i>leaves extract as a fuel. The final product well characterized powder X-ray diffraction (PXRD), scanning electron microscopy (SEM), transmission (TEM) diffuse reflectance spectroscopy (DRS). PXRD pattern reveal that formation of single phase, cubic structure with crystallite sizes ~25 nm. SEM results showed porous...
CaTiO3:Eu3+ luminescent nanoparticles (NPs) and Ppy/CaTiO3:Eu3+ nanocomposites (NCs) are synthesized via combustion solution casting techniques respectively their structural optical properties investigated. The powder X-ray diffraction patterns of the as-formed products show single orthorhombic phase. crystallite size measurement is assessed utilizing Scherrer's technique observed to be in range 40-45 nm. impact Eu3+ ions on luminescence produced nanophosphors examined outcomes given detail....
Polymers with metal oxide materials constitute a new class of polymer composite materials, that integrates science and technology. Chemical oxidation aniline is carried out for PANI (PANI) in-situ polymerization PANI/AgO nanocomposite materials. Characterization tools such as XRD SEM were used. The AC conductivity dielectric behavior are investigated in the frequency range 100 to 2MHz at room temperature. It observed that, AgO nanoparticles matrix have greater influence on dielectrics.