- Conducting polymers and applications
- Analytical Chemistry and Sensors
- Electrochemical sensors and biosensors
- Advanced Sensor and Energy Harvesting Materials
- Gas Sensing Nanomaterials and Sensors
- Supercapacitor Materials and Fabrication
- Electrospun Nanofibers in Biomedical Applications
- Advancements in Battery Materials
- Polymer Nanocomposite Synthesis and Irradiation
- Luminescence Properties of Advanced Materials
- ZnO doping and properties
- Advanced Battery Materials and Technologies
- Electromagnetic wave absorption materials
- Advanced Chemical Sensor Technologies
- Magnetic Properties and Synthesis of Ferrites
- Dielectric materials and actuators
- Lanthanide and Transition Metal Complexes
- Organic Electronics and Photovoltaics
- Copper-based nanomaterials and applications
- Transition Metal Oxide Nanomaterials
- Chalcogenide Semiconductor Thin Films
- Electrochemical Analysis and Applications
- Quantum Dots Synthesis And Properties
- Advanced Battery Technologies Research
- Luminescence and Fluorescent Materials
Rashtrasant Tukadoji Maharaj Nagpur University
2015-2024
Nagpur Institute of Technology
2003-2014
Shivaji University
2006-2009
In this paper we report the highly sensitive at low temperature and concentration of liquefied petroleum gas (LPG) sensor based on D-Camphor-10-Sulphonic acid (CSA) doped Polyaniline/Polyethylene Oxide (PANI/PEO) PANI/ZnO/PEO nanofibers fabricated by electrospinning technique. Nano-sized particles zinc oxide (ZnO) were synthesized using sol-gel method. The emeraldine base form polyaniline (PANI) PANI/ZnO chemical oxidative polymerization treated with CSA for better solubility conductivity...
Tin oxide (SnO2) nanoparticles have been synthesized by simple route of sol-gel method. Polyaniline-tin (PANI/SnO2) nanocomposite (sample A) was prepared an in-situ polymerization aniline in the presence as-synthesized SnO2 nanoparticles. Similarly, tin oxide-intercalated polyaniline B) using chloride (SnCl4.5H2O) as precursor during aniline. Morphology and structure both nanocomposites studied XRD pattern, FTIR spectra SEM images which reveals that uniformly mixed within PANI matrix. In...
Polyaniline (PANI)/graphene (GN) nanocomposites were synthesized by in-situ chemical oxidative polymerization method. A series of have been varying the concentration functionalized graphene (1%, 3% and 5%). The as-prepared characterized XRD SEM. results showed favorable interaction between PANI GN. electrical conductivity was found to be drastically increased as compared that pure at room temperature. Further also with increase in weight % Nanocomposites semiconducting nature improved...
Intrinsically conducting polymers have been studied extensively due to their intriguing electronic and redox properties numerous potential applications. To improve extend functions, the fabrication of multifunctional polymer nanocomposites has attracted a great deal attention with advent nanoscale dimension. In this paper we report comparative study nanocomposite synthesized by an in-situ oxidative polymerization aniline monomer in presence functionalized multiwall carbon nanotubes (MWCNT)...
Nickel oxide (NiO) nanoparticles were prepared by the simple approach of co-precipitation method using nickel carbonate as precursor.Novel electrically conducting composite materials consisting dispersed in a polyaniline (PANI) are an in-situ polymerization presence different weight percentage NiO (5, 10, 15 and 20%) at room temperature ammonium persulphate (NH4)2S2O8 oxidant acidic medium.The synthesized PANI/NiO nanocomposites have been characterized means XRD, FTIR, UV-VIS, TEM VSM for...
Conducting polyaniline/silver nanoparticles (PANI-Ag) nanocomposite was synthesized by in-situ polymerization of aniline in the presence silver nitrate as precursor. Nanocomposite characterized UV-VIS, PL, XRD, FTIR, SEM and TGA to study effect embedded into PANI on morphology, structure, crystalline thermal stability conducting polyaniline. The optical studies show that absorption edge PANI-Ag exhibits significant blue shift. photoluminescence emission peak shifted towards when compared...
Zinc oxide (ZnO) nanoparticles were synthesized by simple route of sol-gel method and nanofibers polyaniline (PANI) PANI/ZnO nanocomposites prepared using the electrospinning technique. Electrospun PANI collected on aluminum substrate for characterization Cu-interdigited electrodes to prepare chemiresistor sensor. have been characterized UV-Visible (UV-Vis), Fourier transform infrared (FTIR), X-ray diffraction (XRD) Scanning Electron Microscopy (SEM). spectra show hypsochromic shift as that...
In this paper we report the synthesis and characterization of nanofibers titanium-dioxide (TiO2) intercalated polyaniline (PANI) nanocomposites at room temperature in air relative humidity 60% by electrospinning technique. The as-prepared were characterized using UV-VIS, FTIR, SEM XRD. Optical absorbance revealed shifting characteristic peaks for PANI, which may be due to presence titanium dioxide PANI matrix. FTIR spectra show Ti-O-Ti vibrational peak indicating interaction TiO2 particles...
ZnO in different nanostructures were synthesized by microwave assisted hydrothermal route. Different experimental conditions such as irradiation power, exposure time have been investigated to reveal the process of formation nanostructures. It was revealed that plays a vital role determining diameter rods. The interaction microwaves with growth units systematically explain structural geometry on nanoscale. consisted flower-like, sword-like, needle-like and rods-like structures prepared at...
Fabrication of nanofibrous polymer electrolyte membranes poly(vinylidene fluoride) (PVdF) and poly(methyl methacrylate) (PMMA) in different proportion (PVdF:PMMA = 100:0, 80:20 50:50) by electrospinning is reported to investigate the influence PMMA on lithium ion battery performance PVdF membrane as separator. As-fabricated electrospun were characterized SEM, FTIR, XRD, TGA DSC for morphology, structure, crystallinity thermal stability. PVdF–PMMA (50:50) showed ionic conductivity 0.15 S/cm...
In this paper, we report the synthesis and characterization of composites polyaniline aluminum doped tin oxide (Al-SnO2/PANI) nanofibers for hydrogen gas sensing application. Al-SnO2/PANI composite have been fabricated via electrospinning technique subsequent calcination procedure. The as-prepared were investigated structural characterizations by means SEM, FTIR, UV-VIS XRD. SEM revealed with diameter around 200-300 nm formed a non-woven material highly porous agglomerated structure. FTIR...
Photoactive rare-earth (RE) complex electrospun nanofibers possess improved photoluminescence properties, thermal stability and mechanical flexibility with large surface area to volume pore size within nano range. In this paper, we report the fabrication of europium Eu(TTA)3phen using electrospinning technique. Europium (TTA=thenoyltrifluoroacetone, phen=1,10-phenanthroline) was synthesized by solution technique then used for preparation different polymers such as PMMA, PVdF PS study...
Supercapacitors are recognized as one of the most promising energy storage devices for a wide range civilian and military applications in electric vehicles, uninterruptible power supplies. Conducting polymer nanocomposites new functional materials suitable supercapacitors due to synergistic effect individual components. In present work, polypyrrole/CNT have been prepared by an in-situ chemical polymerization method studied supercapacitor. CNTs were well functionalized using 3:1 ratio H2SO4...
Copolymerization of self doping monomer aniline and oxalic acid (OA)/ acetic (AA) in different molar ratio via the self-assembly process were conducted to prepare self-doping polyanilines (SD-PANIs). In this polymerization process, AA or OA plays roles surfactant dopant for PANIs. The morphology, UV–Vis absorption behaviour, crystalline density electrical conductivity self-doped PANIs are investigated. Depending on OA/AA, nanotubes structure polyaniline (PANI) can be formed. Higher...
Nanocrystalline cobalt oxide (Co 3 O 4 ) was synthesized by sol–gel method using chloride as precursor. Conducting polyaniline-cobalt (PANI/Co nanocomposites were in situ polymerization of aniline (monomer) the presence as-synthesized nanocrystalline Co . The characterized XRD, FTIR, UV-VIS and TEM analysis. images show that PANI has been coated on , which confirms formation nanocomposites. XRD pattern embedded into polycrystalline to form crystalline Fourier transform infrared ultraviolet...