Zehra Durmus

Zehra Durmus
Biruni University · Department of Biomedical Engineering

PhD

About

94
Publications
37,200
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
3,218
Citations
Introduction
Dr. Durmus works on the synthesis and characterization of functional nanoparticles and nanocomposites including ferrites, carbon-based hybrids (graphene, carbon nanotube, carbon nanofiber, etc.), metal and metal oxides, and also utilization of these materials in various applications.
Skills and Expertise
Additional affiliations
February 2021 - January 2023
Martin Luther University Halle-Wittenberg
Position
  • Postdoctoral Fellow
July 2013 - September 2017
Bezmialem Vakıf Universty
Position
  • Professor (Assistant)

Publications

Publications (94)
Article
Full-text available
In this investigation, thin films of YbFeO3, both in its pure form and doped with 10% Co, were fabricated on a p-Si substrate at 500 °C through the radio-frequency magnetron sputtering method. Examination via Scanning Electron Microscopy demonstrated a porous texture for the pure sample, contrasting with a smooth and crack-free surface post-Co dopi...
Article
Full-text available
The solid-state reaction technique was employed to synthesize compounds of YMnO3 (YMO) and YMn1-xCoxO3 (YMCO) with various Co doping levels (x = 0.01, 0.10, 0.20, and 0.40), where Co atoms partially substituted Mn sites. XRD studies confirmed the presence of two phases, YMO and Y0.98CoO3 (YCO), for doping ratios above x = 0.10. Additionally, an inc...
Article
Due to its electrical, magnetic, and optical characteristics, LuFeO3 (LFO) has caught the scientific community's interest. In this study, the powders of LFO, LuFe0.95Co0.05O3, and LuFe0.90Co0.10O3 samples were prepared by using the well-known solid-state approach. The crystalline structure of the fabricated samples was examined by an X-ray diffract...
Article
Full-text available
LuFe1−xOsxO3 (x = 0, 0.05, and 0.10) compounds were synthesized and their resistivity, real and imaginary portion of the impedance and frequency-dependent loss tangent were examined at varied temperature settings (from − 100 °C to 100 °C by 20 °C step). Impedance and resistivity values increased as a result of the doping procedure, whereas activati...
Article
Full-text available
In this work, we carefully examined how Ir substitution into Fe sites can change the band of the LuFeO 3 (LFO) material. LFO and Ir-doped LFO (LuFe 1−x Ir x O 3 or LFIO for short, where x = 0.05 and 0.10) thin films were synthesized by utilizing magnetron sputtering techniques. The films were grown on silicon and indium tin oxide (ITO) substrates a...
Article
Full-text available
In this study, unique hybrid structures were constructed between a Ce-based metal-organic framework (Ce-MOF) and graphitic carbon nitride (g-C3N4) materials. In addition, the g-C3N4 materials used for these heterostructures were prepared by five different methods, namely the conventional pyrolysis method, chemical exfoliation by a strong acid, acti...
Article
Graphitic carbon nitride (g-C3N4)-based heterostructured photocatalysts have recently attracted significant attention for solar water splitting and photocatalytic hydrogen (H2) evolution, because of their alterable physicochemical, optical and electrical properties, such as tunable band structure, ultrahigh specific surface area and controllable po...
Article
Solid-state technique was utilized to obtain the LuFeO3 (LFO) and LuFe1-xOsxO3 (LFOO) compounds having x = 0.05 and 0.10. The orthorhombic structure and the presence of secondary phases in the studied samples have been unveiled by X-ray diffractometer (XRD) investigations. The scanning electron microscope (SEM) examinations have unveiled that not o...
Article
Full-text available
Hybrid nanostructures decorated with glycopolymers are appropriate for biomedical applications. In this paper, the results are obtained from nanographene (NG) decorated with glycoblock copolymer to increase their potential in use in therapies and in examining lectin interactions. A pyren-1-ylmethyl 4-cyano-4-((phenylcarbonothioyl)thio)pentanoate (C...
Article
Rare-earth ferrites have been intensively investigated owing to their magnetic, electrical, and optical features in the literature. The present quest goals to examine the electrical properties of LuFeO3 (LFO) and LuFe1−xIrxO3 (LFIO) ceramics with different mol%, x = 0.05 and 0.10. X-ray diffractometer (XRD) method was utilized to identify the cryst...
Article
Rare-earth ferrites have been intensively investigated owing to their magnetic, electrical, and optical features in the literature. The present quest goals to examine the electrical properties of LuFeO3 (LFO) and LuFe1−xIrxO3 (LFIO) ceramics with different mol%, x = 0.05 and 0.10. X-ray diffractometer (XRD) method was utilized to identify the cryst...
Article
Enhanced methods of drug monitoring are required to support the individualization of therapeutic drug dosing. Clozapine is one of the most important medications for managing schizophrenia, and timely measurement of serum clozapine levels has been identified as a barrier to the broader use of clozapine. The electrochemical behavior and influence of...
Article
The LaCr0.99Pd0.01O3 compound has been synthesized with solid-state reaction method. The microstructure, crystalline structure, chemical composition, and oxidation states of elements were investigated via SEM, Raman and XPS analysis techniques. SEM has revealed that particles have various sizes. XPS investigation has unveiled the oxidation states o...
Article
The LaCr0.99Pd0.01O3 compound has been synthesized with solid-state reaction method. The microstructure, crystalline structure, chemical composition, and oxidation states of elements were investigated via SEM, Raman and XPS analysis techniques. SEM has revealed that particles have various sizes. XPS investigation has unveiled the oxidation states o...
Article
Carbon-based nanomaterials (CNMs) have attracted great attention in biomedical applications such as cancer imaging and therapy. CNMs, which are currently used in a wide range of applications, suffer from drawbacks...
Article
We synthesized LaCr1-xCoxO3 (x ¼ 0, 0.01, 0.10, 0.15, 0.20, 0.30) compounds by solid-state reaction method. SEM and EDX analyses were carried out to study their structural and chemical properties. Furthermore, their electrical/dielectric properties including real and imaginary part of dielectric function, real and imaginary part of impedance, condu...
Article
This study aims to investigate the electrical properties of LCO compound under Os doping into Cr sites with different substitution levels. The crystalline structure of LaCrO3 and LaCr1-xOsxO3 (LCOO) (x = 0.01, 0.03, 0.05) was inspected with X-ray diffractometer (XRD). Scanning electron microscope (SEM) was utilized to observe the particle/powder mo...
Article
Full-text available
MIL53(Al)-SiO2@Fe3O4 composite was prepared by co-precipitation route with a typical Stöber synthetic process and ultrasonic-agitation, then subsequently utilized as a multi-component novel sorbent in solid-phase microextraction (SPME) of aflatoxin B1 in winter herbal teas. Microstructural properties of MIL53(Al)-SiO2@Fe3O4 composite was characteri...
Article
Full-text available
In this study, YbFe1−xIrxO3 (x = 0, 0.01, 0.10) compounds were synthesized by solid-state reaction method. Chemical and structural analyses of studied compounds were carried out by XPS, SEM and EDX methods. SEM and STEM studies have shown that the particle size shrinks as doping ratio increases. Electrical/dielectric properties of the synthesized c...
Article
The reduction of graphene oxide (GO) was examined by using the extracts of different plants; cloves, white mulberry, black cumin seed, blackthorn, dark grape, and rosehip. The reduction efficiency of extracts was confirmed by XRD and spectroscopic analysis. The layered structure of reduced graphene and graphene nanocomposite decorated with palladiu...
Article
We synthesized the undoped lanthanum chromium oxide, LaCrO3 (LCO), and cobalt (Co) doped LaCr1−xCoxO3(LCCO), (x=0.01, 0.10, 0.15, 0.20, 0.30) perovskite compounds using solid-state reaction method. Electrical modulus of the samples was investigated at a wide range frequency and temperature using precision temperature controlled dielectric/impedance...
Article
Full-text available
The magnetic and electrical features of rare-earth orthoferrites, RFeO3, can be modified via substitution of different elements into R and/or Fe sites. In the present investigation, the electrical properties of YbFeO3 (YbFO) were inspected with cobalt (Co) doping into Fe sites by various mole %. The crystalline morphology of the obtained YbFeO3 and...
Article
Full-text available
We have synthesized YbFe1−xCoxO3 (x = 0, 0.01, 0.05, 0.10) compounds by the conventional solid-state method. Structural and chemical analysis of the synthesized compounds have been carried out by XPS, SEM and EDX techniques. Frequency dependent (1–10⁷ Hz) electrical properties including the loss tangent, real and imaginary part of impedance and res...
Article
Full-text available
Sample preparation procedures are essential for drug analysis in biological fluids, tissues, pharmaceutical preparations, food and environmental matrices. For this purpose different techniques have been used like protein precipitation, liquid liquid extraction (LLE) and solid phase extraction (SPE). Magnetic solid phase extraction (MSPE) has become...
Article
Among the multiferroics, yttrium manganite YMnO3 (YMO) is one of the most frequently studied magnetic ferroelectric oxides and has attracted a great deal of concern, thanks to its potential magnetoelectric features. Furthermore, it has been reported in the literature that yttrium manganite is a useful interface material in thin film devices. It has...
Article
The reverse and forward bias I-V characteristics of the Al/p-YMO/p-Si/Al heterojunction were measured at room temperature (RT) and over temperature range, from 50 to 320 K, and the I-V curves showed Schottky diode-like characteristics. The ideality factor and barrier height values were calculated as 0.81 and 2.62 from the forward bias I-V curve at...
Article
Full-text available
Aim:: Incomplete polymerization of a resin material used for dental restoration affects the properties of the restoration. We evaluated the structural and mechanical properties of three different colored compomers cured with three different LED units to observe the characteristic changes occurring in different matches. Methods:: Polytetrafluoroe...
Article
Due to their novel electrical, magnetic and optical features, many research groups have studied orthoferrites broadly in the literature. We have examined the electrical features of YbFeO3 (YbFO) and YbFe1-xIrxO3 (YbFIO) (x = 0.01 and 0.10) powders. The crystal structure of the synthesized powders was examined via X-ray diffractometer (XRD) and infr...
Article
In this study, YMnO3 (YMO) and osmium (Os) doped YMO (YMn1-xOsxO3) (x=0.01, 0.05, 0.10) compounds were synthesized via conventional solid-state reaction and their frequency and temperature depended electrical properties were investigated by wide range dielectric/impedance spectrometer. Structural and chemical analysis of YMO and Os doped YMO powder...
Article
Full-text available
Perovskite-oxide materials have grabbed enormous attention from various research groups all over the world due to their large application areas. The band-gap engineering of those materials are important for optoelectronic researches especially for ferroelectric (FE) solar cells that have unique features such as having higher open circuit voltages t...
Article
Full-text available
In this study, graphene oxide/zinc oxide (GO/ZnO) nanocomposite was prepared by the decoration of thermally expanded and chemically oxidized graphite oxide nanosheets with zinc oxide (ZnO) nanoparticles synthesized via two‐step sol‐gel deposition method and used as an effective photocatalyst for degradation of basic fuchsin (BF) dye. Structural pro...
Article
Full-text available
In the present study, the electrical properties of LCO were explored via substituting the Pd into Cr sites with various mol%. The crystalline morphology of synthesized LaCrO3 and LaCr1 − xPdxO3 (LCPO) (x = 0.05, 0.10, 0.20) ceramics were characterized via scanning electron microscope (SEM). Oxidation states of constituent elements have been examine...
Article
Previously, it has been demonstrated the electrical and magnetic properties of YMnO3 (YMO) can be tuned with substitution of different elements into Y and/or Mn sites. In this study, the electrical properties of YMO were explored via substituting osmium (Os) into Mn site with various mol %. The crystalline morphology of synthesized YMnO3 and YMn1-x...
Article
Perovskite oxide materials, especially perovskite lanthanum chromium oxide, LaCrO3 (LCO) have taken considerable attention among the scientists due to the changing optical, electrical, dielectric and magnetic properties depending on doping via various elements. In this study, the LCO and iridium (Ir) doped LCO (LaCr1-xIrxO3) (x = 0.10) compounds we...
Article
Full-text available
Exceptional properties such as dielectric, ferroelectric, piezoelectric, magnetic, catalytic, and photovoltaic of perovskite materials open new doors to many groundbreaking discoveries for unique device ideas. These materials properties are inherited from their crystal structures; therefore, the features can be tuned via varying details of the crys...
Article
Full-text available
We have prepared LaCrO3 (LCO) and 10% Ir doped LCO samples by the solid state reaction method and studied the electrical modulus and the other dielectric properties of the samples by means of the impedance spectroscopy in the −100 °C to 100 °C range, with steps of 20 °C. It has been clearly observed that the dielectric properties change due to Ir d...
Article
Full-text available
Objective The main goal of this study was to compare the polymerization degree of bulk-fill giomer resin cured with three different light-curing units (LCUs): a polywave third-generation (Valo); a monowave (DemiUltra: DU); and a second-generation LED (Optima 10: Opt) LCUs by using structural and mechanical properties. Material and methods Giomer s...
Article
Full-text available
A simple analytical procedure, magnetic solid phase extraction combination to HPLC, has been developed for the analysis of gemifloxacin in human plasma and breast milk. Before chromatographic separation, magnetic solid phase extraction has been applied for sample preparation which is currently preffered extraction technique accordingly its simple,...
Article
Magnetite nanoparticles (Fe <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> O <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">4</sub> NPs) were synthesized via reflux co-precipitation method and coated with various polymeric media of polypyrrole (P...
Article
Recently, protein purification methods have a very wide area of research. Many of these methods are both expensive and multi-stage methods, that are needed in specific equipment. In this study, biopolymer coated magnetic nanoparticles, carboxymethyl cellulose (CMC) and chitosan (CH) coated Fe3O4 (magnetite) nanocomposites, are used in a new purific...
Article
A simple and sensitive analytical procedure by solid phase extraction method combined with HPLC and using of graphene-magnetite nanomaterials as sorbent has been developed for determination of atorvastatin in human plasma. A magnetic solid phase extraction method as a simple, fast and efficient extraction technique has been used for sample preparat...
Article
Full-text available
In this study, mixed-structure carbon–magnetite nanocomposites were prepared by decorating of carbon nanofiber (CNF) surfaces with magnetite (Fe3O4) nanoparticles synthesized via reflux method and characterized. The compositions of CNF–Fe3O4 nanocomposites were varied using different amounts of CNF into the Fe3O4 synthesis medium as 25/75, 50/50, a...
Article
In this study, novel type carbon/ferrite nanocomposites were successfully prepared by decoration of graphene sheets with the magnetic strontium hexaferrite nanoparticles synthesized via the citrate sol-gel combustion method as microwave absorbing material. The microstructural features and physical properties of nanocomposites were characterized by...
Article
In this study, barium hexaferrite nanoparticles were synthesized via the citrate sol–gel combustion method in a reaction medium consisting of various forms of graphene nanosheet, such as expanded graphite, expanded graphite oxide, and reduced graphite oxide to prepare novel type graphene/hexaferrite nanocomposites as microwave-absorbing material. T...
Article
Full-text available
Nanocrystalline particles of barium hexaferrite were synthesized by a sol-gel combustion route using nitrate-citrate gels prepared from metal nitrates and citric acid solutions with Fe/Ba molar ratio 12. The present paper aims to study the effect of addition of polyethylene glycol (PEG) solutions with different molecular weights (MW: 400, 2000, and...
Article
This study investigates microwave absorption properties of Ba-hexaferrite (BaFe12O19) and titanium dioxide (TiO2) particles coated with conducting polymer (PANI) and BaFe12O19-TiO2 mixture in the frequency range of 8–18 GHz. Samples having different magnetic to dielectric mass ratios and various thicknesses from 1.5 to 4 mm have been prepared to in...
Article
Ba-hexaferrite (BaM) particles, synthesized by a sol–gel route, have been mixed with TiO2 powders with different mass ratios. The obtained BaMTiO2 composites have been coated with a conducting polymer layer of polypyrrole (PPy). Structural, magnetic and microwave absorption properties of the PPy-coated and uncoated BaMTiO2 composites have been inve...
Article
Ba-M- and Sr-M-type hexagonal ferrites have been prepared via a sol–gel route, and the effects of adding different amounts of polyvinyl pyrrolidone (PVP) into the sol solutions. The average crystallite, size, D and σ, was obtained as for Z13 = 22 ± 2 nm and Z13-2 = 16 ± 3 nm and for Z16 = 18 ± 7 nm and Z16-2 = 17± 5 nm by XRD. FT-IR and TG analysis...
Article
Manganese-substituted cobalt ferrite nanoparticles coated with triethylene glycol (TREG) have been prepared by the glycothermal reaction. The effect of Mn substitution and coating on temperature-dependent magnetic properties of the TREG-coated Mnx Co1−x Fe2O4 nanoparticles (0.0 ≤ x ≤ 0.8) with size of ~5–7 nm has been investigated in the temperatur...
Article
Full-text available
We report on the synthesis and detailed composition, thermal, micro-structural, ac–dc conductivity performance and dielectric permittivity characterization of triethylene glycol (TREG) stabilized CoFe2O4 nanoparticles synthesized by polyol method. XRD analysis confirmed the inorganic phase as CoFe2O4 with high phase purity. Microstructure analysis...
Article
Nanosized strontium hexaferrite (SrFe12O19) has been synthesized by citrate, urea, oxalic, and glycine precursor via a sol-gel route with poly(methyl methacrylate) (PMMA) as a templating agent. Crystal structure, morphology, and magnetic properties of as-synthesized nanoparticles were characterized by XRD, SEM, FT-IR, and VSM techniques. The format...
Article
Sr-M-type hexagonal ferrites have been prepared via a sol–gel route, and the effects of addition of different molecular weight polyethylene glycol (PEG) into the sol solutions on the static magnetic properties and particle morphology have been studied. Crystalline phases of the samples were determined by XRD analysis. FT-IR and TG analyses were use...
Article
BaFe12O19 particles have been synthesized by citrate sol–gel combustion route in a wide temperature range between 800 and 1200 °C with initial Fe/Ba molar ratios between 12 and 2. Structural, morphological and magnetic properties of the powders have been investigated by XRD, FT-IR, SEM and magnetization measurements. It was observed that both coerc...
Article
Full-text available
In this paper, a series of iron (Fe) containing nanoparticles were prepared by employing PAMAM (Poly(amidoamine), dendrimers with different generations (G0–G3) as templates and sodium borohydride as a reducing agent. The products have been characterized by TEM, FT-IR, XRD, VSM, TGA, and XPS. XRD analysis reveal low crystallinity of formed particles...
Article
We present a method for the fabrication of PVPA/BaFe12O19 nanocomposite by in-situ polymerization of vinyl phosphonic acid, VPA in the presence of synthesized BaFe12O19 NPs. Nanoparticles and the nanocomposite were analyzed by XRD, FTIR, TGA, SEM, TEM, VSM, and conductivity techniques for structural and physicochemical characteristics. Nanoparticle...
Article
We have synthesized strontium hexaferrite particles in an alkaline medium using a hydrothermal process at 180 °C. Crystalline phase of samples were determined by XRD and spectroscopic, morphological, and magnetic investigation of the sample were FT-IR, SEM, and TG analysis , respectively. XRD analysis revealed few impurity phases in the as-made pow...
Article
The production of PVTri–BaFe12O19 composites was carried out by in situ polymerization of PVTri in the presence of synthesized BaFe12O19 particles. Crystalline phase was determined as BaFe12O19 by XRD analysis and thermal analysis revealed an inorganic content of ∼45% in the composite. SEM and TEM analyses showed strongly agglomerated particles in...
Article
We report on the synthesis of Mn3O4 nanoparticles via a polyethyleneglycol (PEG)-assisted hydrothermal route. Crystalline phase was identified as Mn3O4. The crystallite size from X-ray Diffraction (XRD) pattern and particle size from transmission electron microscopy (TEM) micrographs were calculated as 23 ± 1 nm and 24.5 ± 0.5 nm, respectively. Nan...
Article
Full-text available
We present a comparison for the effect of condensation on the morphology and magnetic properties of oleic acid modified BaFe12O19 nanoparticles. Two different samples of BaFe12O19 nanoparticles were synthesized by dehydration (Z1) and rotary evaporation (Z2) method, respectively. Oleic acid was used as the surface modification agent to observe the...
Article
Full-text available
We present a method for the fabrication of PVTri–BaFe12O19 nanocomposites by in-situ polymerization of PVTri in the presence of synthesized BaFe12O19 nanoparticles. Nanoparticles, polymer and nanocomposite were analyzed by XRD, FTIR, TGA, TEM, NMR, GPC and conductivity techniques for structural and physicochemical characteristics. Crystallographic...
Article
By using Co2+ and Co3+ salts, and freshly extracted ovalbumin, Co3O4 nanocrystals have been synthesized successfully. The pH of the solution was self-regulated for the hydrolysis of metal ions as the ovalbumin-water mixture was highly basic. Water soluble ovalbumin proteins served as a perfect matrix for entrapment of Co2+ and Co3+ ions thus formin...
Article
We have presented a method for the fabrication of poly(3-thiophenyl acetic acid) (P3TAA)–BaFe12O19 nanocomposites by the in situ polymerization of P3TAA in the presence of synthesized BaFe12O19 nanoparticles. The nanoparticles and the nanocomposite were analyzed by XRD, FTIR, TGA, TEM, VSM and conductivity techniques for structural and physicochemi...
Article
Polyaniline (PANI)–Mn3O4 nanocomposite was synthesized by a combination of sonochemical synthesis of Mn3O4 NP's and in-situ polymerization of aniline. Structural characteristics were evaluated by XRD, FT-IR, TGA, VSM, TEM and SEM analysis, and conduction characteristics were evaluated by total conductivity measurements in the temperature range of 2...
Article
l-Carnosine coated iron oxide nanoparticles (CCIO NPs) have been prepared via co-precipitation of iron oxide in the presence of l-carnosine. Crystalline phase was identified as magnetite with an average crystallite size of 8nm as estimated from X-ray line profile fitting. Particle size estimated from TEM by log-normal fitting was ∼11nm. FTIR analys...
Article
We have reported the synthesis of water dispersible alginic acid (AA)–Fe3O4 nanocomposites. The crystallite size was obtained as 9±2nm from X-ray line profile fitting. As compared to the particle size of 9.2nm obtained from TEM analysis, these particles show dominantly single crystalline nature. Dielectric analysis show that the real and imaginary...
Article
Poly(vinyl phosphonic acid) (PVPA)–Fe3O4 nanocomposite is synthesized by the precipitation of Fe3O4 in the presence of PVPA. Structural, surface, morphological, thermal properties and conductivity characterization/evaluation of the nanocomposite were performed by XRD, FT-IR, TEM, TGA and conductivity measurements respectively. The capping of PVPA a...
Article
Full-text available
We report on the synthesis of Mn3O4 nanoparticles via a two-step hydrothermal route by using Mn(CH3COO)2 as the only starting material and TMAOH and NaOH as hydrolysing agents. XRD and FT-IR analyses confirmed the composition and structure of Mn3O4. TEM images showed that spheroid Mn3O4 nanostructures obtained by this method have average particle s...
Article
Alginic acid–Fe3O4 nanocomposite is synthesized by the precipitation of Fe3O4 in the presence of alginic acid (AA). Structural, surface, morphological, thermal and electrical transport properties of the nanocomposite were performed by XRD, FT-IR, TEM-SEM, TGA and conductivity measurements respectively. FT-IR analysis revealed that Fe3O4 NPs are str...
Article
Full-text available
We report on the synthesis of water dispersible salicylic acid –Fe3O4 nanocomposites via a co-precipitation route by using Fe(III) and Fe(II) chloride salts, and salicylic acid. Crystalline phase was identified as Fe3O4 and the crystallite size was obtained as 13±6nm from X-ray line profile fitting. As compared to the particle size of 20nm obtained...
Article
Full-text available
l-Histidine capped iron oxide nanoparticles (HCIO) have been synthesized in one pot in the presence of l-histidine. The final product was analyzed for composition, microstructure, ac–dc conductivity performance as well as dielectric permittivity. Results revealed that magnetic nanoparticles are maghemite (or magnetite) and l-histidine is covalently...
Article
We report on the synthesis of (polyvinylpyrrolidone) PVP–Mn3O4 nanocomposite via a polyol route. Crystalline phase was identified as Mn3O4 and the crystallite size was obtained as 6 ± 1 nm from X-ray line profile fitting. Average particle size of 6.1 ± 0.1 nm obtained from TEM analysis reveals nearly single crystalline nature of these nanoparticles...
Article
Full-text available
We report on the synthesis of Mn3O4 nanoparticles (NPs) using a novel sonochemical method without requiring any pH adjustment. Synthesized material was identified as tetragonal hausmannite crystal structure model of Mn3O4 from XRD analysis. Crystallite size was estimated from x-ray line profile fitting to be 17±5 nm. FTIR analysis revealed stretchi...
Article
Poly(1-vinyl-1,2,4-triazole) (PVTri)–Fe3O4 nanocomposite with conducting character was synthesized by a wet chemical process. PVTri has been freshly synthesized and coated/adsorbed on magnetite nanoparticles that are synthesized via a sonochemical route. The structure, morphology and electrical properties of the products were characterized by X-ray...
Article
We are reporting on the synthesis of Mn3O4 nanoparticles and CTAB-Mn3O4 nanocomposites via a sonochemical route using MnCl2, ethanol, NaOH and CTAB. The crystalline phase was identified as Mn3O4. The crystallite size of the CTAB-Mn3O4 nanocomposite was identified as 13±5nm from X-ray line profile fitting and the particle size from TEM was 107.5±1.4...
Article
l-lysine coated iron oxide (LCIO) nanoparticles were synthesized by a co-precipitation method in the presence of amino acid. XRD analysis confirmed the presence of cubic magnetite phase with an average crystallite size of 8 ± 4 nm. Particle size estimated from TEM, by log-normal fitting, is ∼114 nm. The difference between the crystallite size from...
Article
By using Mn2+ and Mn3+ salts, and freshly extracted ovalbumin, Mn3O4 nanocrystals have been synthesized successfully. The X-ray diffraction results indicated that the synthesized nanoparticles have only the spinel structure without the presence of any other phase impurities. As the ovalbumin–water mixture was highly basic, the process did not requi...
Article
Co3O4 nanoparticles have been prepared for the first time via reflux method, as an alternative low-temperature high-yield process, starting from one single precursor. A plausible mechanism is suggested for the synthetic process. XRD, TEM, FTIR and VSM were used for the structural, morphological, spectroscopic, and magnetic characterization of the p...
Article
Full-text available
A novel environmental friendly, room temperature route using an ionic liquid 1-n-butyl-3-methylimidazolium hydroxide ([BMIM]OH) for the synthesis of Mn3O4 nanoparticles is presented. The product was characterized using Fourier transform infrared spectroscopy, X-ray powder diffraction, and transmission electron microscopy. Phase purity was confirmed...
Article
Full-text available
Nickel ferrite, NixCo1-x Fe2O4, NPs (where x = 0.0, 0.6 and 1.0) were successfully synthesized by a rapid and reproducible CTAB-assisted hydrothermal route. The influence of different hydrolyzing agents on the particle size and magnetic behavior of NixCo1-x Fe2O4 NPs was investigated. Particles showed very high phase purity and crystallinity in pow...

Network

Cited By