19 Result(s)
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Article
Khuram Ali
English
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Article
Boosting solar cell performance: optimization of WS2 absorber with Cu2O HTL & ZnSe ETL using SCAPS-1D simulation
Thin-film photovoltaic materials like WS2 offer abundant, low-cost, transparent energy sources. WS2 boasts high carrier mobility, a superior optical absorption coefficient over 105 cm− 1, a favorable band gap of ...
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Cs+ substituted SrZnFe2O4 nanoparticles: analysis of structural, morphological and electrical behavior
The effect of Cs+ substitution on strontium zinc ferrites was reported. The cubic spinel phase of $${{\text{Sr}}}_{0.5}{{\text{Zn}}}_{0.5}{{\t...
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Optimization of CdS-free non-toxic electron transport layer for Sb2S3-based solar cell with notable enhanced performance
In this investigation, we develop CdS-free non-toxic thin-film solar cell structure with antimony sulfide (Sb2S3) as an absorber material. Sb2S3 has found to be a promising candidate for production of renewable e...
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Synthesis of green magnetic hybrid adsorbents and their application for reactive red methyl 4 BL dye removal
Hybrid adsorbents banana peels potassium–barium (BK–Ba), orange peels bismuth–cobalt (ORBi–Co), potato peels sodium–strontium (PPNa–Sr), the mixture of potato, orange, and banana peels (MBi–Fe) were prepared a...
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Synthesis of Metal Hydroxyapatite Nanoparticles and Their Application, Behavior, and Mechanism in the Removal of Cationic Dye Red 3R from Aqueous Media
About 80% of wastewater is discarded into the environment without any treatment. In this research work, the metal hydroxyapatite nanoparticles had been synthesized by a wet chemical approach and applied in wat...
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Impact of Amorphous and Crystalline Tungsten Trioxide (WO3) Thin Films as an Antireflection Material for Silicon (c-Si) Solar Cells
The effects of single-layer antireflection coatings (SLARCs) on the performance of crystalline silicon (c-Si)-based solar cells have been analyzed numerically. In this study, amorphous (a-WO3) and crystalline (c-...
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Modeling of improved efficiency and spectral response of a Si-based heterojunction solar cell by using CeO2 as a buffer layer
In the present work, a silicon-based single heterojunction solar cell is analyzed for its potentially low cost and high efficiency. To obtain an optimal device structure of CeO2/p-Si, SCAPS 1D was used to perform...
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Comparative study of UV-ZnO NRs photodetectors based on seeded porous silicon by RF-sputtering and drop-casting methods
Photodetectors (PDs) play a fundamental role in the advancement of modern optical communication technologies. Utilising the simple methodology to develop metal–semiconductor-metal (MSM) PDs based on zinc oxide...
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Nonreciprocal wave transmission through discrete complex saturable Ginzburg–Landau dimer
The asymmetric diode-like response of a dimer described by discrete Ginzburg–Landau equation with saturable nonlinearity is investigated. The lattice under probe is one dimensional and linked to linear side ch...
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Retraction Note to: Effect of Zn substitution on the structural, magnetic, optical, and electrical properties of low-temperature-synthesized cobalt ferrites
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Effect of binary mixture of Nd–Zn ions on the electrical, structural and dielectric behavior of calcium-barium M-type hexaferrite nanoparticles
This study reports the synthesis and characterization of Nd–Zn-doped nanocrystalline Ca0.5Ba0.5-xNdxZnyFe12-yO19 (x = 0.00–0.10; y = 0.00–1.00) hexaferrites prepared by sol–gel auto combustion method. Do** of t...
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Enhanced structural and dielectric properties of calcium and chromium based M-type hexagonal ferrites
M-type hexaferrites with composition Ca1−xCrxFe12O19 were synthesized by the sol–gel auto-combustion method. Structural, morphological and dielectric properties were explored. Annealing of the samples was done at...
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RETRACTED ARTICLE: Effect of Zn substitution on the structural, magnetic, optical, and electrical properties of low-temperature-synthesized cobalt ferrites
Nano-crystalline particles of zinc-doped cobalt ferrite having chemical formula Co1−xZnxFe2O4 (x = 0.01, 0.02, 0.03, 0.04 and 0.05) were successfully synthesized via co-precipitation technique. Phase identificati...
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Detailed analysis of structural and optical properties of spinel cobalt doped magnesium zinc ferrites under different substitutions
Spinel ferrites nanoparticles have complex considerable interest in several technical applications because of their different magnetic behavior. These magnetic nanoparticles obtain finite size and surface effe...
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Enhancement of multiferroic characteristics in the Al and Pr co-doped BiFeO3 nanocrystalline
We investigate and enhance the multiferroic characteristics of BiFeO3 by do** Al3+ and Pr3+ cations simultaneously. Bi1-xAlxFe1-xPrxO3 (x=0.00, 0.04, 0.08, 0.12, 0.16) was prepared by sol–gel or auto-combustion...
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Photocatalytic Investigation of Cadmium Oxide Nanosheets Prepared by Hydrothermal Method
In the present study, the hydrothermal method is successfully used to prepare cadmium oxide (CdO) nanosheets. X-ray diffraction pattern of powder confirmed the pure CdO with hexagonal crystal structure, and no...
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Article
Structural, Electrical, and Magnetic Properties of Ferrite–Polymer Composites
Six samples consisting of polypyrrole (PPy), pure NiFe2O4 ferrite, and their composites at ratio of 1:4 (PF1), 1:2 (PF2), 3:4 (PF3), and 1:1 (PF4) have been prepared by a coprecipitation method and their structur...
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Electric and dielectric properties of ytterbium substituted spinel ferrites
Ytterbium (Yb) substituted magnesium ferrite materials (MgYbxFe2−xO4 with x = 0.00, 0.025, 0.050, 0.075, 0.10) have been prepared by the Sol–gel method. XRD analysis revealed that the prepared samples are cubic s...
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Open AccessStructural and optical properties of ITO/TiO2 anti-reflective films for solar cell applications
Indium tin oxide (ITO) and titanium dioxide (TiO2) anti-reflective coatings (ARCs) were deposited on a (100) P-type monocrystalline Si substrate by a radio-frequency (RF) magnetron sputtering. Polycrystalline ITO...
