A5041633615- Chalcogenide Semiconductor Thin Films
- Quantum Dots Synthesis And Properties
- Copper-based nanomaterials and applications
- Corrosion Behavior and Inhibition
- Conducting polymers and applications
- 2D Materials and Applications
- MXene and MAX Phase Materials
- Glass properties and applications
- Concrete Corrosion and Durability
- ZnO doping and properties
- Phase-change materials and chalcogenides
- Bone Tissue Engineering Materials
- Advanced Semiconductor Detectors and Materials
- Metal and Thin Film Mechanics
- Advanced Sensor and Energy Harvesting Materials
- Electrodeposition and Electroless Coatings
- Collagen: Extraction and Characterization
- Calcium Carbonate Crystallization and Inhibition
- Advanced Thermoelectric Materials and Devices
- Advanced Photocatalysis Techniques
- Hydrogen embrittlement and corrosion behaviors in metals
- Transition Metal Oxide Nanomaterials
- Electrochemical Analysis and Applications
- Mineralogy and Gemology Studies
- TiO2 Photocatalysis and Solar Cells
National Institute of Materials Physics
2021-2024
Université Ibn-Tofail
2018-2021
In this work, electrochemical deposition (galvanostatic and potentiostatic) techniques were used to obtain of new composite polymer: 3-methylpyrrole - sodium dodecyl sulfate/poly 2-methythiophene (P3MPY-SDS/P2MT) coatings on cobalt -based alloy sample for anticorrosion protection. The sulfate as a dopant ion in electropolymerization practice can have relevant effect at the protection polymer layer by blocking entry aggressive ions. substrate had an important influence performance coating...
In the quest for advanced materials suitable next-generation electronic and optoelectronic applications, tungsten disulfide (WS2) ultrathin films have emerged as promising candidates due to their unique properties. However, obtaining WS2 directly on desired substrate, eliminating need transfer, which produces additional defects, poses many challenges. This paper aims explore synthesis of via physical vapor deposition (PVD) followed by sulfurization in a confined space, addressing challenge...
Cu2ZnSnS4 (CZTS) is regarded as one of the emerging materials for next-generation thin film solar cells. However, its synthesis complex, and obtaining a single-phase CZTS difficult. This work reports elaboration films by sequential magnetron sputtering deposition Cu2SnS3 (CTS) ZnS stacked films. Initially, CTS were prepared on soda lime glass substrate annealing Cu SnS2 layers. Second, was deposited The CTS\ZnS stacks then annealed in Sn + S or atmospheres. tetragonal structure obtained...
Abstract Cu 2 SnS 3 (CTS) is emerging as a promising absorber for the next generation thin film solar cells (TFSC) due to its excellent optical and electronic properties, earth-abundance eco-friendly elemental composition. In addition, CTS can be used precursor films ZnSnS 4 (CZTS) synthesis. The properties of are influenced by stoichiometry, crystalline structure, secondary phases crystallite size. Routes obtaining with optimized TFSC still being sought. Here, synthesized magnetron...
This work involves the synthesis and characterization of (CZTS) layers. The films were prepared on Mo/glass substrates by single-step electrodeposition method followed sulfurization at 500 °C under argon flow. effect boric acid concentration crystallographic structure, compositional morphological properties CZTS was investigated, with objective to understand growth behavior enhance film properties. Cyclic Voltammetry used in order estimate adequate deposition potential for CZT alloy. x-ray...
Cu2ZnSnS4 (CZTS) is a complex quaternary material, and obtaining single-phase CZTS with no secondary phases known to be challenging dependent on the production technique. This work involves synthesis characterization of absorber layers for solar cells. Thin films were deposited Si glass substrates by combined magnetron sputtering (MS) pulsed laser deposition (PLD) hybrid system, followed annealing without sulfur powder at 500 °C under argon (Ar) flow. Three different Cu2S, SnS2, ZnS targets...
Cu2ZnSnSe4 thin films have been synthesized by employing two magnetron-sputtering depositions, interlaced with sequential post-deposition heat treatments in low vacuum, Sn+Se and Se–rich atmospheres at 550 °C. By successive structural analysis methods, namely Grazing Incidence X–Ray Diffraction (GIXRD) Raman Spectroscopy, secondary phases such as ZnSe coexisting the main kesterite phase identified. SEM peered into surface morphology of samples, detecting defects grain profiles, while EDS...
Considering the increasing need for sustainable and economical energy storage solutions, integration of layered materials such as MoS2 into these systems represents an important step toward enhancing sustainability efficiency. Exploring environmentally responsible fabrication techniques, this study assesses wrinkled thin films synthesized from distinct Mo targets, followed by sulfurization conducted in a graphite box. We utilized magnetron sputtering to deposit precursor on Si substrates,...
Cu2ZnSnSe4 (CZTSe) is a promising material for thin-film solar cells due to its suitable band gap, high absorption coefficient, and composition of earth-abundant nontoxic elements. In this study, we prepared CZTSe thin films from Cu/SnSe2 ZnSe stacks using two-step annealing process. Initially, Cu–Sn–Se (CTSe) were synthesized by sequential deposition Cu SnSe2 precursors in either selenium (Se) or tin–selenium (Sn+Se) atmosphere. After the layer on top CTSe films, stack underwent second...
In this work, electrochemical deposition techniques (galvanostatic and potentiostatic) were used to obtain coatings of a new composite polymer, 3-methylpyrrole—sodium dodecyl sulfate/poly 2-methythiophene (P3MPY-SDS/P2MT), on cobalt-based alloy samples for anti-corrosion safety. The use sodium sulfate as dopant ion in electrosynthesis can have relevant effect the anticorrosive property polymer layer by blocking entry corrosive ions. cobalt specimen had an important impact performance coating...
The corrosion protection property of three Brij-type surfactants, namely, Brij 35, 56 and 58P, was considered on OLC 45 carbon steel in a 0.5 M H2SO4 medium. efficacy for these organic compounds examined using potentiodynamic polarization electrochemical impedance spectroscopy (EIS) methods, scanning electron microscopy (SEM) procedures, Fourier transform infrared (FT-IR) spectroscopy. We hypothesized that surfactants hinder the samples through protecting mechanism owing to adsorption...
The development of kesterite (Cu2ZnSn(S,Se)4, CZTSSe) thin films for photovoltaic applications is highly necessary, given their composition Earth-abundant, environmentally friendly elements and compatibility with established technologies. This study presents a novel synthesis approach CZTSSe varied S/(S+Se) ratios, ranging from 0.83 to 0.44, by two-step magnetron sputtering deposition/annealing process. first step consists in an initial deposition stacked Mo/SnS2/Cu layers, which, upon...
Cu2SnS3 thin films emerged as promising materials for sustainable photovoltaics due to their earth-abundant constituents and great optoelectronic properties.The formation of secondary phases during synthesis poses challenges achieving efficient performances.This study investigates the impact on properties CTS films.
Cu 2 SnSe 3 (CTSe) is a polyvalent material that can be used as an absorber layer for thin film solar cells or starting the synthesis of CZTSe CZTSSe compounds. Obtaining CTSe single phase films with optimized properties difficult task. A systematic study using both metallic and binary chalcogenides precursors formation was not performed. The consisting four different stacks (Sn\Cu, \Cu, Sn\Cu Se, \Cu Se) were prepared by magnetron sputtering on soda lime glass (SLG) molybdenum (Mo) coated...