Chemistry
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Electrochemical Investigation of PANI:PPy/AC and PANI:PEDOT/AC Composites as Electrode Materials in Supercapacitors
(2022-05)The electrochemical deposition of the composites polyaniline (PANI):polypyrrole (PPy)/ activated carbon (AC) and polyaniline (PANI): 3, 4-polyethylenedioxythiophene (PEDOT)/AC films is carried out in this work. The ... -
A Systemic Review on Single-Port and Multiport Laparoscopic Hernioplasty
(Canadian Center of Science and Education, 2018-06)Herniorrhaphy or Hernioplasty is the surgical treatment for hernia. This surgical procedure is mainly done using local or general anesthesia with laparoscope or conventional incision. Laparoscopic hernioplasty is the best ... -
Analysis of Schottky emission electric charge transport mechanism in Cu-Lu2O3-Cu MIM structure by temperature dependent current-voltage characteristics
(ELSEVIER, 2019-11)In this study, the Cu-Lu2O3-Cu metal-insulator-metal (MIM) structure was fabricated by electron beam evaporation method on the glass substrate with symmetric electrode configuration. The dominant conduction mechanism in ... -
Correlation of thermoelectric properties of Cu2ZnSnS4 thin films grown by the chemical solution method with sulfur concentration
(ELSEVIER, 2021-01)The current study focused on the improvement of thermoelectric properties of Cu2ZnSnS4 (CZTS) thin films grown by the chemical solution method by our engineering other secondary phases. The density of copper mono-sulfides ... -
Effect of Aluminum (Al) Concentration on the Thermoelectric Performance of Zinc Aluminum Selenium (ZnAlSe) Alloy
(Springer Link, 2022-01)In this manuscript, we have studied the effect of Al concentration on the thermoelectric performance of ZnAlSe alloy. ZnAlSe alloy with different concentrations of Al (0%, 1%, 2%, 3%, and 4%) were synthesized by simple ... -
Sulfurization temperature induced enhancement in thermoelectric properties of polycrystalline WS2 nanomaterials
(ELSEVIER, 2022-02)We have presented an interesting study about the evolution of vibrational modes in WS2 nanostructures and their effect on material thermoelectric performance. High purity polycrystalline nanostructures of WS2 were prepared ... -
Modulation of thermoelectric power generation performance of ZnO nanostructures by controlling the Mn atoms concentration
(ELSEVIER, 2022-02)In the present study, the thermoelectric power generation performance of ZnO nanostructures is improved by controlling the Mn doping concentration. For this purpose, Mn doped ZnO nanostructures (x = 0.1, 0.2, 0.3, 0.4& ... -
Effect of Al-doping on the thermoelectric properties of CZTS thin film grown by sol-gel method
(ELSEVIER, 2022-04)In this paper, thermoelectric (TE) properties of sol-gel grown Cu2-xAlxZnSnS4 thin films were investigated using Seebeck data. Several thermoelectric parameters such as Seebeck coefficient (71–110 μV/°C), electrical ... -
Modulation of structural, electrical, optical and thermoelectric properties of MOCVD grown GdN thin films by nitrogen environment annealing process
(ELSEVIER, 2020-03)This manuscript demonstrated the effect of nitrogen annealing on the structural, optical, electrical and thermoelectric properties of MOCVD grown GdN thin films. After growth a representative sample was cut into pieces and ... -
Tailoring of Structural and Magnetic Properties of Sputter-Deposited Terfenol-D Thin Films by Optimizing the Substrate Temperature
(Springer Link, 2021-07)In this paper, sputter-deposited Terfenol-D thin films were grown on MgO/Al2O3 substrates by DC-magnetron sputtering using single target having composition of Tb0.3Dy0.7Fe1.92. The temperature of substrate was purposefully ... -
Relationship of Various Structural Parameters with Magnetic Behavior of Stoichiometric Tb3+ and Dy3+ Co-substituted NiFe2O4 Nanostructures
(Springer Link, 2021-07)In this study, we have successfully controlled the structural parameters of NiFe2-x-y TbxDyyO4 (x + y = 0, 0.1, 0.15, 0.2) of nickel ferrites with the substitution of rare earth metal ions (RE3+ = Tb3+, Dy3+) in order to ... -
Successful growth of Zinc Nitride thin films by vacuum tube furnace using nitrogen as source gas
(ELSEVIER, 2021-07)We have successfully grown Zn3N2 thin films using a simple and cost effective approach. Growth was achieved in a vacuum tube furnace by evaporating Zinc powder at 850 OC and flowing nitrogen gas into the tube at the rate ... -
Band gap tailoring of hydrothermally synthesized WS2 nanoparticles by the sulfurization time duration
(ELSEVIER, 2021-09)In current study, WS2 nanoparticles were systematically synthesized by hydrothermal method. After successful growth, the effect of sulfurization time duration on various optical parameters such as band gap, absorbance, ... -
Structural, Spectroscopic, Dielectric, and Magnetic Properties of Cu-Co–Co-substituted Manganese Soft Ferrites
(Springer Link, 2020-10)A series of Cu-Co-substituted manganese ferrites (Mn1-xCuxFe2-yCoyO4; x = 0.0–0.1, y = 0.00–0.25) were synthesized via microemulsion method. The values of structural parameters, i.e., lattice constant and crystallite size, ... -
Effect of sulfur amount during post-growth sulfurization process on the structural, morphological and thermoelectric properties of sol-gel grown quaternary chalcogenide …
(ELSEVIER, 2021-02)In this work, the CZTS thin films (TFs) have been grown using sol-gel spin coating method on Si substrate. The effect of sulfur concentration on the structural, morphological and thermoelectric properties was investigated ... -
Synthesis and characterization of Zn–Mn–Fe nano oxide composites for the degradation of reactive yellow 15 dye
(ELSEVIER, 2020-07)This study has been demonstrated the potential use of Zn–Mn–Fe metal nano oxide composites for the degradation of reactive yellow 15 dye. The nanocomposites ZnO– Fe2O3–MnO2 photo-catalysts with different molar compositions ... -
Structural elucidation and dielectric behavior evaluation of Dy–Ni substituted manganese ferrites
(ELSEVIER, 2021-02)Dy–Ni substituted Mn1-xNixFe2-yDyyO4 (x = 0.0–0.1 and y = 0.0–0.2) soft magnetic oxides were synthesized using a size controlled micro-emulsion method. X-ray diffraction (XRD) analysis was employed to confirm the spinel ... -
Simultaneous enhancement of Seebeck coefficient and electrical conductivity in ZnSnO by the engineering of grain boundaries using post annealing
(ELSEVIER, 2021-02)In this manuscript, we have reported the simultaneous enhancement in Seebeck coefficient and electrical conductivity by controlling the density and size of the grains. The grain boundaries are acting as barriers for the ... -
Growth of ZnSnO nano structures for thermopower applications by thermal evaporation with and without oxygen precursor
(ELSEVIER, 2021-05)In this manuscript, we have reported the crystal quality control of ZnSnO nanostructures during thermal evaporation growth in the presence and absence of oxygen gas during the growth process. To test this hypothesis, we ... -
Role of rare earth metal ions doping on structural, electrical, magnetic, and dielectric behavior of spinel ferrites: A comparative study
(Springer Link, 2021-07)In current studies, we have compared the doping effect of different rare earth metal ions on structural, electrical, magnetic, and dielectric properties in three different series of spinel ferrites. The cubic spinel structure ... -
Modulation of thermoelectric properties of bulk ZnAlO by annealing in oxygen environment
(ELSEVIER, 2019-11)This manuscript reported the modulation of thermoelectric properties of ZnAlO by thermal annealing technique. The ZnAlO pellets were prepared by mixing of 99% Zinc (Zn) and 1% Al powders using hydraulic press and then ... -
Smooth growth, characterization and optical properties of Cu2SnS3 thin film via spray pyrolysis method
(ELSEVIER, 2021-02)Simple, low cost spray pyrolysis technique is implemented herein to deposit thin film of Cu2SnS3 on a glass substrate for photovoltaic applications. Structural, physical, chemical and optical properties of the thin film ... -
Optimizing the structural, morphological and thermoelectric properties of zinc oxide by the modulation of cobalt doping concentration
(ELSEVIER, 2021-08)A study is conducted to determine the effects of cobalt doping concentration on structural, morphological and thermoelectric properties of Zinc Oxide (ZnO). To test this hypothesis, cobalt doped zinc oxide nano-particles ... -
Modulation of thermoelectric properties of GeSeIn thin films by annealing in oxygen environment
(ELSEVIER, 2019-11)The manuscript demonstrated an annealing technique to modulate the thermoelectric properties of GeSeIn thin films grown on Si substrate by thermal evaporation. The grown samples were annealed at various temperatures from ... -
Effect of annealing temperature on thermoelectric properties of zinc nitride thin films grown by thermal evaporation method
(ELSEVIER, 2020-11)In this manuscript, we have successfully grown the Zinc Nitride (Zn3N2) thin films for thermoelectric power generation applications using thermal evaporation method. Zinc powder (0.1 g) was evaporated in vacuum tube furnace ... -
Improvement of thermoelectric properties of sol gel grown Cu2Zn1-xSnS4 thin films with the incorporation of Cd atoms
(ELSEVIER, 2021-03)In this manuscript, we have reported the thermo-electric (TE) properties of Cu2Zn1-xCdxSnS4 thin films grown by a sol - gel method. Various thermoelectric properties such as Seebeck coefficient, electrical conductivity and ... -
Effect of annealing temperature on the thermoelectric properties of ZnInO thin films grown by physical vapor deposition
(ELSEVIER, 2021-04)This research work has been demonstrated the growth of ZnInO thin films using thermal evaporation technique for thermoelectric power generation applications. The pure zinc powder and indium metal were evaporated on the ... -
Length dependent performance of Cu2O/ZnO nanorods solar cells
(ELSEVIER, 2019-02)Cu2O/ZnO heterojunction is one of the potential candidates in solar cell's applications due to its non-toxic and easy fabrication process. Here we report the synthesis of ZnO nanorods (1–3 μm long) via solution method to ... -
Growth of Mg2GeO4 nano-crystals on Si substrate and modulation of Seebeck coefficient by post growth annealing technique
(ELSEVIER, 2019-09)We have reported the successful growth of Mg2GeO4 nano-crystals by simple thermal evaporation technique. The Mg and Ge metal powders were evaporated on the Si substrate and kept the oxygen flow rate of 100 sccm. The ... -
A novel approach to simultaneously enhance the Seebeck coefficient and electrical conductivity in rutile phase of TiO2 nanostructures
(ELSEVIER, 2020-08)In the present study, we have used a novel technique to simultaneously enhance the Seebeck coefficient and electrical conductivity of Titanium Dioxide (TiO2) nanostructured by grown by a simple sol-gel method. X-Ray ... -
Thermoelectric properties of Zn2GeO4 nano-crystals grown on ITO and Au coated Si substrates by thermal evaporation
(ELSEVIER, 2019-10)We have reported the comparison of thermoelectric properties of Zn2GeO4 samples grown on ITO and Au coated Si substrates. Mixed powder of Zn and Ge with 1:1 ratio was evaporated in the tube furnace on ITO and Si substrates ... -
Modulation of thermoelectric properties of Mg2GeO4 thin films by controlling the growth process
(ELSEVIER, 2019-10)The aim of present study is to enhance the thermoelectric properties of Mg2GeO4 thin films via controlling the growth mechanism by varying the source-substrate distance during the thermal evaporation process in tube furnace. ... -
Enhancement of thermoelectric properties of sulphurized CZTS nano-crystals by the engineering of secondary phases
(ELSEVIER, 2020-05)In this manuscript, we have explored the potential of Copper Zinc Tin Sulfide (CZTS) nano-crystals for thermoelectric power generation application by the engineering of secondary phases. CZTS nano-crystals were grown on ... -
A Kinetic study of Tb3+ and Dy3+ co-substituted CoFe2O4 spinel ferrites using temperature dependent XRD, XPS and SQUID measurements
(ELSEVIER, 2020-07)In this research work, we have investigated the structural development of Tb3+ and Dy3+ co-substituted CoFe2O4 ferrites using temperature and time dependent XRD measurements. Sol-gel auto combustion technique was used to ... -
Modulation of secondary phases in hydrothermally grown zinc oxide nanostructures by varying the Cu dopant concentration for enhanced thermo power
(ELSEVIER, 2020-11)In this study, we have successfully controlled the number of secondary phases in Zinc Oxide (ZnO) nano-structures by changing the concentration of Copper (Cu) atoms. Zinc Copper Oxide (Zn1-xCuxO) nanostructures with x = ... -
Designing of See beck coefficient and electrical conductivity in CZTS thin films for giant power factor
(ELSEVIER, 2020-05)In this work, we develop a new technique to simultaneously increase the Seebeck coefficient and electrical conductivity in order to achieve a giant power factor. 16 samples of CZTS thin films (TFs) are synthesized using ... -
Improved thermoelectric performance of Al and Sn doped ZnO nano particles by the engineering of secondary phases
(ELSEVIER, 2020-07)Controlling the generation of secondary phases is crucial to enhance the thermoelectric performance of any material. In this manuscript, we have demonstrated the modulation of thermoelectric properties of Al and Sn doped ... -
Improving the thermoelectric performance of hydrothermally synthesized FeS2 nanoparticles by post sulfurization
(ELSEVIER, 2020-08)In this manuscript, we have synthesized the FeS2 nanoparticles by a simple hydrothermal method. Post sulfurization of the synthesized nanoparticles for different time durations (30, 60, 90 & 120 min) was performed to obtain ... -
Effect of tin concentration on the structural, optical and thermoelectric properties of CZTS thin films gown by chemical solution method
(ELSEVIER, 2019-12)In this work, we have modulated the structural, morphological, optical and thermoelectric properties of CZTS thin films (TFs) by controlling the concentration of tin atoms. The CZTS TFs were grown by simple chemical solution ... -
Direct growth of ZnSnO nano-wires by thermal evaporation technique for thermoelectric applications
(ELSEVIER, 2019-10)In this research, we have successfully grown the ZnSnO nano-wires by simple thermal evaporation technique and reported the highest Seebeck coefficient and power factor for first time. The ZTO nano-structures were grown by ... -
Influence of Ce3+ substitution on the structural, electrical and magnetic properties of Zn0. 5Mn0. 43Cd0. 07Fe2O4 spinel ferrites
(ELSEVIER, 2020-03)In this paper, the effect of Ce3+ ions addition on the microstructure, electrical and magnetic behaviour of Cadmium doped Mn–Zn ferrites was investigated. A series having composition Zn0·5Mn0·43Cd0·07Fe2-yCeyO4 (y = 0.0–0.7) ... -
Impact of Co and Mn substitution on structural and dielectric properties of lithium soft ferrites
(ELSEVIER, 2019-08)Co2+ and Mn2+ co-doped lithium spinel ferrites with the chemical composition Li0.5Fe2.5-0.5xCoxMnxO4 (x = 0.0–0.5) were fabricated by micro-emulsion method. The spinel structure with face centered the cubic phase was ... -
Growth of Cu2InO4 thin films on Si substrate by thermal evaporation technique and enhancement of thermoelectric properties by post-growth annealing
(ELSEVIER, 2019-06)Thin films of Cu2InO4 were grown by thermal evaporation on Si substrate using tube furnace. Cu and In metals were evaporated in the tube furnace having pressure 0.2 × 10−2 Torr and the oxygen gas flow rate was set 60 ... -
Effect of secondary phases on the thermoelectric properties of Zn2GeO4 nano-crystals grown by thermal evaporation on Au coated Si substrate
(ELSEVIER, 2019-06)This study reported the growth of Zn2GeO4 nano-crystals on Au coated Si substrate by thermal evaporation technique using vacuum tube furnace for thermoelectric power generation applications. The thermoelectric properties ... -
A two step technique to remove the secondary phases in CZTS thin films grown by sol-gel method
(ELSEVIER, 2019-06)In this study, we have used a two step method to eliminate the secondary phases in the CZTS thin films grown by sol-gel technique. In the first step, CZTS thin films were grown on different substrates [ITO coated glass ... -
Modulation of structural, optical and thermoelectric properties of sol-gel grown CZTS thin films by controlling the concentration of zinc
(ELSEVIER, 2019-07)In this manuscript, we have demonstrated the effect of Zinc concentration on the structural, optical and thermoelectric properties of CZTS thin films (TFs) grown by sol-gel technique. We have deliberately changed the mole ... -
Tailoring the Structural, Magnetic and Dielectric properties of Ni-Zn-CdFe2O4 spinel ferrites by the substitution of Lanthanum ions
(ELSEVIER, 2018-11)In this paper, we have tailored the structural, magnetic and dielectric properties of Ni0.5Zn0.3Cd0.2Fe2-yLayO4 (y = 0.0–0.21) nano-structured spinel ferrites by the substitution of La3+ ions. The investigated samples were ... -
Bismuth-, Tin-, and Lead-Containing Metal-Organic Materials: Synthesis, Structure, Photoluminescence, Second Harmonic Generation, and Ferroelectric Properties
(Doctoral dissertation, University of South Carolina, 2011)Metal-Organic Materials (MOMs) contain metal moieties and organic ligands that combine to form discrete (e.g. metal-organic polyhedra, spheres or nanoballs, metal organic polygons) or polymeric structures with one-, ... -
Solvent-free maleic anhydride grafted cellulose acetate butyrate(MA-g-CAB): synthesis and characterization
(2004-03)Our initial work has proven that cellulose esters (particularly plasticized cellulose acetate (CAP) and cellulose acetate butyrate (CAB) are much better matrix in terms of mechanical and damping properties as compared to ... -
A new synthetic approach for substitutional solid solutions in a 3D coordination polymer: Cation vacancy, and tunable photoluminescence
(Elsevier, 2004-03)Eco-friendly green/biocomposites were fabricated from chopped hemp fiber and cellulose ester biodegradable plastic through two process engineering approaches: powder impregnation through compression molding (process I) and ...
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