Ameer Azam

Ameer Azam
Aligarh Muslim University | AMU · Department of Applied Physics

M.Sc. M.Phil. Ph.D.

About

217
Publications
115,607
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8,102
Citations
Citations since 2017
73 Research Items
5876 Citations
201720182019202020212022202302004006008001,0001,200
201720182019202020212022202302004006008001,0001,200
201720182019202020212022202302004006008001,0001,200
201720182019202020212022202302004006008001,0001,200
Additional affiliations
November 2010 - present
King Abdulaziz University
April 1984 - November 2010
Aligarh Muslim University

Publications

Publications (217)
Conference Paper
Full-text available
In this paper, we report, synthesis of Zinc Sulphide (ZnS) Quantum Dots and its properties which were assessed through various characterization methods. Sol-Gel method using Zinc Nitrate and Sodium Sulphide was used to synthesizeZnS Quantum Dots. X-ray diffraction (XRD was used to assess the optical properties of ZnS Quantum Dots and UV-VIS spectro...
Article
Full-text available
Herein, we report the synthesis of Ce-Al (1 : 1, 1 : 3, 1 : 6, and 1 : 9) binary oxide nanoparticles by a simple co-precipitation method at room temperature to be applied for defluoridation of an aqueous solution. The characterization of the synthesized nanomaterial was performed by XRD (X-ray diffraction), FTIR (Fourier transform infrared) spectro...
Article
This paper presents a practical, reusable and stable photocatalyst, CuFe0.9Ti0.1O2/GO, for the degradation of toxic organic dyes in water. The photocatalyst is visible light-driven, and magnetically separable which makes the photocatalyst unique and novel. The photocatalyst was successfully synthesized by a sonochemical method and post-treated with...
Article
In the present study, synthesis of a novel Mn-Mg binary metal oxide was carried out using facile co-precipitation method for the possible adsorption of copper and zinc from aqueous medium. The prepared adsorbent was characterised to explore the morphology and structure using XRD and SEM. Experimental studies at batch scale were carried out examinin...
Article
Pollution of water due to excessive lead and chromium levels in groundwater and wastewater has contributed to severe health issues, which has increased concern over the provision of clean water. There is a dire need for successfully eliminating these pollutants through the use of low-cost and ecosystem-friendly materials. This paper reports the syn...
Article
Full-text available
Nanotechnology has received much attention in treating contaminated waters. In the present study, a facile co-precipitation method was employed to synthesize a novel iron and magnesium based binary metal oxide using a stoichiometrically fixed amount of FeNO3.9H2O and MgNO3.6H2O in a proportion of molar concentration 1:1 and was later evaluated in r...
Article
Full-text available
Nanotechnology has received much attention in treating contaminated waters. In the present study, a facile co-precipitation method was employed to synthesize a novel iron and magnesium based binary metal oxide using a stoichiometrically fixed amount of FeNO3.9H2O and MgNO3.6H2O in a proportion of molar concentration 1:1 and was later evaluated in r...
Chapter
The rapid developments in the field of nanotechnology have spurred interest in many metal nanoparticles. Among many other uses, these nanoparticles are increasingly providing helpful ways to tackle-resistant bacteria. This research was aimed to identify the effect of biologically synthesized Au-NPs on bacteria Pseudomonas aeruginosa and Staphylococ...
Article
Full-text available
The contribution of nanoparticles (NPs) in physiology of the plants became the new area of interest for the physiologists; as it is very much cost effective compared to the phytohormones. Our present investigation was also based on this interest in which the same doses (50 mg/L) of four different NPs were sprayed on stressed and non-stressed foliag...
Article
Full-text available
In this work, the co-precipitation method was used to prepare copper oxide nanoparticles, which were found 21.6 nm in size, as calculated from the Debye-Scherrer equation. The prepared material was characterized using XRD and UV-Visible spectroscopy and further evaluated for its efficiency in adsorptive removal of Pb(II). To optimize the adsorption...
Article
Full-text available
Aims Globally Scientists are working to find more efficient antimicrobial drugs to treat microbial infections and kill drug-resistant bacteria. Background Despite the availability of numerous antimicrobial drugs bacterial infections still poses a serious threat to global health. Due to a constant decline in the effectiveness of antibiotics owing t...
Article
Full-text available
3D hierarchical graphitic carbon nanowalls encapsulating cobalt nanoparticles HPC-Co were prepared in high yield from solid-state pyrolysis of cobalt 2,2′-bipyridine chloride complex. Annealing of HPC-Co in air gave HPC-CoO, which consists of a mixture of crystallite Co3O4 nanospheres and nanorods bursting out of mesoporous carbon. Both nanocomposi...
Article
Full-text available
The main aim of this study was to investigate the effect of 1%, 3% and 5% content of ethanolamine (EA) and nano-TiO2 (NT) on the corrosion resistance properties of ferrocement composites exposed under tap water, saline water and sulphuric acidic solution environments. The corrosion behaviour composites were assessed through potentiodynamic polariza...
Article
Sol–gel method was used to synthesize pure and doped (Ni, Co, and Fe) Cr2O3 nanoparticles (NixCr2-xO3, CoxCr2-xO3, and FexCr2-xO3, where x = 0.00, 0.01, 0.03, 0.05, and 0.07). The structural properties of the prepared samples were determined using x-ray powder diffraction (XRD) with an aim to investigate the influence of doping concentration on the...
Article
Magnesium Ferrite (MgFe2O4) spinel structures prepared by a solid-state reaction was used as an anode modifier in the microbial fuel cell (MFC) treatment of Congo red dye. The performance of the reactors with unmodified stainless-steel mesh anode (CR-1) and MgFe2O4 coated stainless steel mesh anode (CR-2) were tested and compared followed by aerobi...
Article
Full-text available
The aim of the present study was to assess the effect of diethylcarbamazine (DEC), siver nanoparticles (AgNPs), nitazoxanide (NTZ), and a combination of nitazoxanide with silver nanoparticle (NTZ+AgNPs) against the microfilariae of Setaria cervi in experimentally infected albino rats. The NTZ+AgNPs was synthesized and subsequently characterized by...
Article
Full-text available
In this research work, SnO2, NiO and SnO2/NiO nanocomposites were synthesized at low temperature by modified sol–gel method using ultrasonication. Prepared samples were investigated for their properties employing various characterization techniques. X-ray diffraction (XRD) patterns confirmed the purity and phase of the samples as no secondary phase...
Conference Paper
Full-text available
In this paper Ce-Mg binary oxide nanoparticles were synthesized by simple co-precipitation method at room temperature for removal of lead from aqueous solution. The prepared material was characterized by XRD and TGA/DTA. Batch experiments was carried out to study the effects of the important parameters such as contact time, initial concentration of...
Article
Full-text available
In this research work, delafossite oxide CuCrO2 and its different Co doped compositions CuCr1-xCoxO2 (x = 0.05, 0.1, 0.15) were successfully synthesized by low temperature hydrothermal method. X-ray diffraction (XRD) confirmed the formation of CuCrO2 nanostructures with hexagonal structure having crystallite size less than 100 nm. The XRD peaks als...
Article
Functionalized graphene oxide nano-sheets (PAni-Ag-GONC) were prepared and employed as carrier for covalent immobilization of trypsin. This low cost setting, which involves loading of high amount of enzyme on matrix, displayed significantly enhanced thermo-stability and pH resistance. The nano-composite (NC) bound trypsin preserved 90% of activity...
Article
Full-text available
The influence of 1%, 3% and 5% content of ethanolamine (EA) and nano-TiO2 (NT) on the fresh, hardened, microstructural and corrosion resistance properties of cementitious composites under different exposure environments (tap water, saline water and acidic solution) had been investigated. The setting time test confirmed that the EA acts as a retarde...
Article
Full-text available
The present paper discusses the synthesis and characterization of Sodium Hexatitanate (NHT) and Sodium-Potassium Hexa-titanate (NKHT) by solid state reaction method. The phase of the synthesized material was confirmed by XRD and the particle size has been calculated using Debye-Scherrer relation. Morphology of the surface and dimensions of the crys...
Chapter
Discharging of organic and inorganic contaminants to water bodies has became a serious issue. Directly and indirectly it is affecting the environment as well as all living beings. This chapter deals with the fabrication of PANI/CNT-supported nanocomposite electrodes and their possible applications in the detection of organic pollutants. Polyaniline...
Conference Paper
Full-text available
The embedment of barium titanate nanoparticles (BaTiO 3 NPs) in the polyaniline (PANI) matrix play a significant role in enhancing the properties of nanocomposites. In this research work BaTiO 3 @PANI polymer nanocomposites were well synthesized by the in-situ polymerization by embedding different concentrations of BaTiO 3 NPs (1wt%, 3wt%, 5wt%, 7w...
Article
Full-text available
The fabrication of composite proton exchange membrane from the sulfonated polyether ether ketone (SPEEK) and sulfonated SiO 2 (S-SiO 2 ) have been investigated for energy production. In this work, inorganic fillers have been incorporated successfully in the organic polymer matrix. The degree of sulfonation (DS) and ion exchange capacity (IEC) were...
Article
Full-text available
Abstract. Sodium borohydride has been utilized to synthesize Au-NPs as stabilizing agents. The characterization of Au-NPs have been done by different techniques. X-ray diffraction machine has been used to study the structural properties of Au-NPs, which shows that the Au- NPs were in spherical and cubic structure. The surface morphology and the ele...
Article
Full-text available
Magnesium nitrate hexahydrate Mg (NO 3 ) 2 .6H 2 O, ammonia and distilled water were used for preparation magnesium oxide (MgO) via a precipitation method, where magnesium nitrate is used as a precursor, distilled water as a solvent and ammonia is used to maintain pH of the sample. The MgO was characterized by an X-ray diffractometer microscopy and...
Article
Full-text available
This article presents the effect of 1%, 3% and 5% content of nano-TiO2 (NT) on the fresh, hardened, microstructural and corrosion resistance properties of cementitious composites under different exposure environments (tap water, saline water and acidic solution). Various investigations such as setting time, compressive strength, scanning electron m...
Article
This paper reports the synthesis of pure and doped lanthanum nickel oxide (LaNiO3) nanoparticles (NPs) using auto-combustion route. Various characterization techniques were employed for the investigation of the effect of transition metal doping on the structural, optical, magnetic and frequency dependent dielectric properties of this system. X-ray...
Conference Paper
The nanoparticles of indium oxide have been synthesized through the sol-gel method. Indium Oxide in the nanoparticles form is expected to offer greater sensitivity and also greater response time owing to the enhanced surface-to-volume ratios. The structural analysis of indium oxide has been done through X-ray diffraction studies (XRD). The conseque...
Conference Paper
Full-text available
Nanoparticles of pure and Mn doped SnO2 of the composition MnxSn(1-x)O2 where (x=0.0, 0.03, 0.05, 0.07) were successfully synthesized by sol gel auto combustion method. Morphological analyses were performed by SEM and TEM. The spherical-shape in the TEM micrograph clearly show that the nanostructure arrange itself in minimum potential energy state....
Article
The nanoparticles of indium oxide have been synthesized through the sol-gel method. Indium Oxide in the nanoparticles form is expected to offer greater sensitivity and also greater response time owing to the enhanced surface-to-volume ratios. The structural analysis of indium oxide has been done through X-ray diffraction studies (XRD). The conseque...
Article
Full-text available
Nanomaterials have been widely studied for many years and they have also generated an intense scientific interest due to a wide variety of potential applications in biomedical, optical, and electronic fields. Nanomaterials have drawn attention based on the few properties they exhibit like their surface to mass ratio and the reactivity of their surf...
Poster
Full-text available
XRD : The XRD pattern of the CuAlO2 and CuFeO2 synthesized by the hydrothermal and combustion method. All the peaks were matched well with the literature, which confirmed the synthesis of the materials. The crystallite size of the delafossites were calculated with the help of Debye Scherrer's formula and the crystallite size was found to be in the...
Conference Paper
The Ca and Cr doped cobalt ferrite nanoparticles (Co0.8Ca0.2) (Fe0.8 Cr0.2)2O4 were synthesized by auto combustion method. Microstructural studies were carried out by X-ray diffraction (XRD). The crystalline size of synthesized nanoparticles as determined by the XRD was found to be 17.6 nm. These structural studies suggest that the crystal system r...
Conference Paper
The nanoparticles of cerium oxide have been successfully synthesized by hydroxide mediated method, using cerium nitrate and sodium hydroxide as precursors. The microstructural properties were analyzed by X-ray diffraction technique (XRD). The X-ray diffraction results show that the cerium oxide nanoparticles were in cubic structure. The optical abs...
Conference Paper
Semiconductor nanoparticles of CdS are of great interest for both fundamental research and industrial development due to their unique size-dependent optical and electronic properties and their exciting utilization in the fields of light-emitting diode, electro-chemical cells, laser, hydrogen producing catalyst, biological label. We present a scheme...
Conference Paper
The Ca and Cr doped cobalt ferrite nanoparticles (Co0.9Ca0.1) (Fe0.8 Cr0.2)2O4 were synthesized by microwave gel combustion method. Microstructural studies were carried out by XRD and SEM. Structural studies suggest that the crystal system remains spinal even with the doping of calcium and chromium. The SEM image shows the spherical morphology of s...
Conference Paper
A nanocomposite material consisting of metal oxide and reduced graphene oxide was prepared via simple, economic, and effective chemical reduction method. The synthesis strategy was based on the reduction of GO with Sn²⁺ ion that combines tin oxidation and GO reduction in one step, which provides a simple, low-cost and effective way to prepare graph...
Conference Paper
Full-text available
Poly ether ether ketone (PEEK) was sulfonated with 1.0 M sulphuric acid for varying durations to have various degrees of sulfonation (DS) from 43 to 55%. The FT-IR spectra confirmed the successful sulfonation of PEEK. The sulfonated PEEK (sPEEK) membranes were prepared by a solvent casting method using dimethylacetamide (DMAc) as solvent and upon d...
Conference Paper
The nanoparticles of 5% Co doped NiO were synthesized by auto-combustion method in aqueous medium using NaOH as a fuel. The obtained particles were characterized using X-ray diffraction studies XRD. The results of structural characterization shows the formation of Co doped Nickel oxide nanoparticles in single phase without any impurity. The optical...
Conference Paper
Ni doped CdS nanoparticles have been successfully synthesized by sol-gel method. Nickel nitrate, cadmium nitrate, sodium sulfide has been used as precursors for the preparation of these Ni-doped CdS nanoparticles. The structural properties were studied by X-ray diffraction analysis. Surface morphology and the composition of the samples were studied...
Conference Paper
Full-text available
SnO2/NiO nanocomposite are prepared by using a simple cost effective and ecofriendly green soft template method followed by ultrasonication treatment further by calcination at 300 °C. The resulting nanocatalysts were characterized by X-ray diffraction (XRD), UV-Visible spectroscopy and transmission electron microscopy (TEM). The SnO2−NiO photocatal...
Conference Paper
Ca and Ni doped M type Barium ferrite of the composition ((Ba0.9Ca0.1) (Fe0.8 Ni0.2)12O19) were prepared by the traditional sol gel auto combustion method using citric acid as a fuel. Microstructural analyses were carried out with the help of XRD and SEM. XRD analysis is the evidence of nanometer regime along with crystalline planes of hexagonal st...
Conference Paper
Full-text available
In this research work we have reported the synthesis of two different delafossites, CuAlO2 and CuFeO2 by two different synthesis methods viz hydrothermal method and the combustion method. The effect of synthesis on structure, band gap and morphology of the synthesized delafossites was carried out using various techniques. The phase and structure of...
Article
Full-text available
Transition metal-doped lead sulfide nanoparticles (PbS-NPs) were synthesized by co-precipitation method. The crystallite phase and morphological studies were carried out by X-ray diffraction (XRD) and transmission electron microscopy (TEM). Optical studies were performed by UVeVisible absorption, fluorescence emission spectroscopy and Fourier trans...
Chapter
Full-text available
The wider applications of nanoparticles (NPs) has evoked a world-wide concern due to their possible risk of toxicity in humans and other organisms. Aggregation and accumulation of NPs into cell leads to their interaction with biological macromolecules including proteins, nucleic acids and cellular organelles, which eventually induce toxicological e...
Chapter
Microbial fuel cells (MFCs) have gained a recent attention as a mode of converting organic waste into electricity using variety of biodegradable substrate as fuel. Different designs of MFCs are available for different purposes, however dual and single chamber MFCs are common used for energy generation. Type of electrode materials, membrane, pH, ele...
Chapter
Full-text available
The potential use of carbon nanotubes, SiO2, TiO2, Fe2O3, CuO, ZrO2, ZnO2, Al2O3, CaCO3, Cr2O3 and Ag nanoparticles in the civil engineering has been explored in this article. Most of the studies showed that addition of nanomaterials in appropriate quantity improved the strength and durability properties but decreased setting time as well as workab...
Article
Novel bio-nanocomposites containing biodegradable polymer and graphene oxide (Cellulose/Polypyrrole-graphene oxide or C/Ppy-GO) were prepared by chemical in-situ polymerization and the materials were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), transmission electron mi...
Chapter
Full-text available
Many serious threats due to infectious diseases laid serious threats to the public health worldwide. This is particularly with the outgrowth of bacterial strains due to antibiotic-resistant. In recent advances, nanotechnology has provided its huge potential effect on public health care and plays a significant role in controlling the infectious dise...
Conference Paper
Full-text available
The stabilized pure CdSnanoparticles were synthesized using chemical precipitation method in aqueous medium using cadmium acetate and sodium sulphide with (CTAB) as a capping agent and their effect on surface morphology of nanoparticles. The obtained particles were characterized using X-ray diffraction studies (XRD and FTIR. The X-ray diffraction p...
Article
Full-text available
Nanosheets of SnO produced by the chemical microwave assisted route were found to have attractive structural and electrical properties. The present work describes the thermoelectrical performance of this nanomaterial under annealing at different temperatures. The obtained results showed a systematic oxidation from SnO to SnO2 by annealing in the ra...
Article
The present work focuses on the synthesis, characterization and photocatalytic activity of a nanosized Fe-doped TiO2 photocatalyst. The samples were synthesized by the sol-gel method and characterized by using techniques such as x-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive x-...
Article
Full-text available
Large-scale synthesis and release of nanomaterials in environment is a growing concern for human health and ecosystem. Therefore, we have investigated the cytotoxic and genotoxic potential of zinc oxide nanoparticles (ZnO-NPs), zinc oxide bulk (ZnO-Bulk), and zinc ions (Zn²⁺) in treated roots of Allium cepa, under hydroponic conditions. ZnO-NPs wer...
Article
Full-text available
Enzymes perform an essential role in catalysing extensive reactions. Yet, their instability upon repetitive use, as well as their activity inhibition by different solvent remains a cumbersome task. We present here a simple method to immobilize Aspergillus niger lipase (ANL) onto polyaniline–silver functionalized graphene oxide nanocomposites (PANI/...
Article
This paper reports the efficiency enhancement in dye-sensitized solar cells (DSSCs) by incorporation of silver nanoparticles (AgNPs) in Titanium dioxide (TiO2) and using it as anode. Further enhancement in DSSC parameters was observed after TiCl4 treatment on TiO2Ag anode. It was observed that the short circuit current density Jsc was increased fro...
Article
Full-text available
Dilute magnetic semiconductors at the nanoscale size are of great importance for different applications. However, their performance depends on several factors including the synthesis route and type of dopants. In this work tin dioxide (SnO2) nanoparticles (NPs) doped with different transition metals (TM) were synthesized by the microwave method and...
Article
Pure and Mn doped SnO2 nanoparticles of the composition MnxSn(1-x)O2 where (x = 0.0, 0.03, 0.05, 0.07) were synthesized by sol gel auto combustion method. Structural studies performed by XRD and EDS suggest that the crystal system remains pure rutile with a tetragonal structure even after the doping of Mn. The EDS analysis reveals that both Sn and...
Article
Nanoparticles of Co doped NiO of the composition CoxNi1-xO(x = 0, 0.03, 0.07, 0.10, 0.13, 0.15) have been successfully synthesized by microwave gel combustion method using citric acid as a chelating agent. The microstructural and compositional analyses have been carried out by XRD, TEM, FESEM and EDAX. The results of structural characterization sho...
Article
Full-text available
In this work, large-scale and single-crystalline ZnO nanotubes were fabricated by a simple technique from an aqueous solution at a low temperature of 65 °C. According to detailed morphology, structural and compositional analyses showed that the ZnO nanotubes [diameter ~200 nm (wall thickness ~50 nm); length ~1 µm] have single-crystallite with wurtz...