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8. Modification of cotton yarns utilizing graphene ink to functionalized as conductivity.

Author

Alahmar, Maisam, Younes, Basel, and Alghoraibi, Ibrahim

Subjects
COTTON yarn, SCANNING electron microscopes, ELECTROTEXTILES, GRAPHENE oxide, X-ray spectrometers, YARN
Abstract

In this study, the oxidation and reduction method was combined with chemical and hydrothermal method to prepare graphene ink for high electrical conductivity. The prepared ink samples were subsequently analyzed using a scanning electron microscope (SEM) and an X-ray dispersion spectrometer (EDS). The resulting samples displayed a deposition of extremely thin slices and consistent geometric shapes with a thickness from 3 to 1 nm. Moreover, the weighty and atomic ratios of carbon and oxygen in the samples were 48.75 and 36.59%, respectively; the carbon ratio was higher than the oxygen ratio. Open-end, carded, and combed cotton yarn samples were coated using the surface coating technique. The tensile strength of the treated cotton yarns was tested and analyzed. On the open-end yarn sample's surface, thin slices of graphene were densely present. Additionally, the open-end yarn's atomic ratios of carbon and oxygen were 5.4 and 7.3%, respectively. Sample's electrical resistance was constant even after 12 washes; the open-end yarn had the lowest electrical resistance. The suitability of the treated yarns for use in heat generation applications was studied. As a result, by increasing the applied voltage and the number of graphene ink layers, the open-end yarn temperature rises to 55 °C. The open-end yarn temperature was increased by increasing the number of applied graphene layers. This finding suggests that these yarns could be used in wearable smart textiles that generate heat. [ABSTRACT FROM AUTHOR]

Published
2024
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17. Improving the Photo Electro Catalytic Degradation of Methylene Blue by Modified TiO2/ITO Photo Anodes

Author

Alsaleh Almohammad, Jihad, Hashem, Mohammad, Alchaghouri, Hanan, and Alghoraibi, Ibrahim

Abstract

TiO2 photoanodes have gained significant attention for the removal of organic pollutants through photoelectrocatalytic processes, with the aim of developing a cost-effective and efficient method for improving the degradation of pollutants in surface water. This study investigated the effects of adding titanium nanooxide (Degussa P25) containing 70% anatase and 30% rutile phases on the properties of nanostructured TiO2 photoanodes prepared on glass substrates (indium tin oxide (ITO)) using sol–gel/dip coating techniques The results obtained from ultraviolet–visible transmittance spectroscopy, electrochemical (EC) impedance spectroscopy, photocurrent, and atomic force microscopy analyses revealed that the addition of Degussa P25 improved the electrical conductivity of the TiO2/ITO anode and reduced the optical bandgap from 3.50 to 3.35 eV, while the size of the titanium oxide particles decreased to about 75 nm. The EC impedance spectra measurement confirms that the addition of titanium nanooxide Degussa P25 improved the electrical conductivity for TiO2/ITO anode. The photoelectrocatalysis (PEC) performance of the TiO2 photoanodes was investigated via the degradation of methylene blue (MB) under UVA light irradiation. The AB photoanode (with the addition of Degussa P25) exhibited excellent PEC performance, with 95.9% color removal efficiency and 63% total organic carbon (TOC) removal efficiency, compared to 92% color removal efficiency and 56% TOC removal efficiency for the A photoanode (without the addition of Degussa P25). The kinetic constants (k) were 134 × 10−4, 110 × 10−4 (min−1) for A and AB anodes, respectively, and the degradation of MB followed first-order kinetics for all anodes. The A and AB anodes were compared as electrodes for the degradation of MB using PEC, photocatalysis (PC), and EC technologies. Subsequently, The A and AB anodes were utilized as electrodes to compare the performance of PEC, PC, and EC technologies for the degradation of MB. The results showed that the AB anode exhibited higher efficiency in all PC technologies, with color removal (%) efficiencies of 95.9% (PEC), 33% (PC), and 21% (EC) compared to 92% (PEC), 28% (PC), and 19% (EC) for the A anode. Additionally, the photooxidation process had a 2.1% effect on the degradation of the initial MB concentration.

Published
2023
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19. Preparation, Characterization, and Release Profile Study of Vincristine Sulfate-loaded Polycaprolactone Nanoparticles

Author

Fawaz, Walaa, Hasian, Jameela, and Alghoraibi, Ibrahim

Abstract

Background: Vincristine sulfate is commonly used to treat different types of cancers. However, its effectiveness is hindered by undesirable side effects, which significantly limit its applications in medicine.Objective: This study aims to prepare vincristine nanoparticles, in order to develop a promising approach for cancer therapy.Methods: Vincristine nanoparticles were prepared by utilizing polycaprolactone as a carrier through the double emulsion method. The morphological characteristics and particle size of the vincristine nanoparticles were examined. The surface charge and average dynamic size, encapsulation efficiency in addition to release profile study were also evaluated.Results: Dynamic Light Scattering confirmed the small size of nanoparticles (~200 nm). SEM showed spherical-shaped nanoparticles with smooth surfaces, and the polydispersity index values of the prepared nanoparticles were below 0.5 in all preparations. The zeta potential of the nanoparticles was found to be negative, which can be attributed to the presence of carboxylic groups in the PCL polymer, The encapsulation efficiency of Vincristine-loaded nanoparticles (NPs) varied from 36% to 57% for all the prepared NPs with varying amounts of PCL. The release profile demonstrated a prolonged release of Vincristine from the nanoparticles compared to the Vincristine solution.Conclusion: The double emulsion solvent evaporation method was used successfully to prepare vincristine- loaded PCL nanoparticles, which suggests that nanoscale carriers hold promise as effective vehicles for delivering chemotherapeutic agents in the treatment of cancer.

Published
2024
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23. Investigation of Cytotoxicity of Biosynthesized Colloidal Nanosilver against Local Leishmania tropica: In Vitro Study

Author

Zein, Raghad, Alghoraibi, Ibrahim, Soukkarieh, Chadi, Alahmad, Abdalrahim, Zein, Raghad, Alghoraibi, Ibrahim, Soukkarieh, Chadi, and Alahmad, Abdalrahim

Abstract

Leishmaniasis is one of the biggest health problems in the world. Traditional therapeutic methods still depend on a small range of products, mostly chemically. However, the treatment with these drugs is expensive and can cause serious adverse effects, and they have inconsistent effectiveness due to the resistance of parasites to these drugs. The treatment of leishmanial disease has always been a challenge for researchers. The development of nanoscale metals such as silver has attracted significant attention in the field of medicine. The unique characteristic features of silver nanoparticles (AgNPs) make them effective antileishmanial agents. In recent years, green nanotechnology has provided the development of green nanoparticle-based treatment methods for Leishmaniasis. Although there are many studies based on green nanoparticles against Leishmania parasites, this is the first study on the antileishmanial effect of biosynthesized AgNPs using an aqueous extract of Eucalyptus camaldulensis leaves (AEECL) as a reducing agent of silver ions. Different parameters such as AgNO3 concentration, AEECL concentration, and reaction time were studied to investigate the optimum factors for the preparation of stable and small-sized silver nanoparticles. The spherical shape of colloidal nanosilver (CN-Ag) was confirmed by atomic force microscope (AFM) and scanning electron microscope (SEM) images with sizes of 27 and 12 nm, respectively. A high density of nanoparticles with a small size of 10 nm has been confirmed from dynamic light scattering (DLS) analysis. The zeta potential value of 23 mV indicated that colloidal silver nanoparticles were stable. The nano-tracker analysis (NTA) showed the Brownian motion of silver nanoparticles with a hydrodynamic diameter of 31 nm. The antioxidant property of CN-Ag was determined using the stable radical 2,2-Diphenyl-1-picrylhydrazyl (DPPH) assay. In this study, a significant cytotoxic effect of biosynthesized CN-Ag has been shown against Lei

Published
2022

24. Influence of Polyvinylpyrrolidone Concentration on Properties and Anti-Bacterial Activity of Green Synthesized Silver Nanoparticles

Author

Zein, Raghad, Alghoraibi, Ibrahim, Soukkarieh, Chadi, Ismail, Mohammad Taher, Alahmad, Abdalrahim, Zein, Raghad, Alghoraibi, Ibrahim, Soukkarieh, Chadi, Ismail, Mohammad Taher, and Alahmad, Abdalrahim

Abstract

Environmentally green synthesis of stable polyvinyl pyrrolidone (PVP)-capped silver nanoparticles (PVP-AgNPs) was successfully carried out. The present study focused on investigating the influence of adding PVP during the synthesis process on the size, optical properties and antibacterial effect of silver nanoparticles produced. An aqueous extract of Eucalyptus camaldulensis leaves was used as a reducing agent. The effects of different PVP concentrations and reducing time on the synthesis of nanoparticles (NPs) were characterized by UV–Vis spectrophotometry, scanning electron microscopy (SEM), energy dispersive spectrum (EDX), Fourier transform infrared spectroscopy (FTIR), dynamic light scattering (DLS) and nano tracker analysis (NTA). The addition of PVP was studied. The prepared PVP-AgNPs were spherical with an average size of 13 nm. FTIR analysis confirmed that PVP protects AgNPs by a coordination bond between silver nanoparticles and both N and O of PVP. DLS results indicated the good dispersion of silver nanoparticles. PVP-AgNPs were found to be stable for nearly 5 months. Antibacterial studies through the agar well diffusion method confirmed that silver nanoparticles synthesized using PVP had no inhibitor activity toward Gram-positive and Gram-negative bacteria as opposed to silver nanoparticles prepared without adding PVP, which showed a significant antibacterial activity towards some of the tested pathogens.

Published
2022

25. Identification of Major Constituents of Hypericum perforatum L. Extracts in Syria by Development of a Rapid, Simple, and Reproducible HPLC-ESI-Q-TOF MS Analysis and Their Antioxidant Activities

Author

Alahmad, Abdalrahim, Alghoraibi, Ibrahim, Zein, Raghad, Kraft, Sergej, Dräger, Gerald, Walter, Johanna-Gabriela, Scheper, Thomas, Alahmad, Abdalrahim, Alghoraibi, Ibrahim, Zein, Raghad, Kraft, Sergej, Dräger, Gerald, Walter, Johanna-Gabriela, and Scheper, Thomas

Abstract

Hypericum perforatum Linn (St. John’s wort) is a popular and widespread medicine in Syria, which is used for a wide range of conditions, including gastrointestinal diseases, heart disease, skin diseases, and psychological disorders. This widespread use prompted us to identify the main compounds of this plant from Syria that are responsible for its medicinal properties, especially since its components differ between countries according to the nature of the soil, climate, and altitude. This is, to the best of our knowledge, the first report in which St. John’s wort, a plant native to Syria, is extracted using different solvents and its most important compounds are identified. In this study, the dried above-ground parts, i.e., leaves, stem, petals, and flowers, were extracted using different solvents (water, ethanol, methanol, and acetone) and extraction protocols. By increasing the polarity of the solvent, higher yields were obtained, indicating that mainly hydrophobic compounds were extracted. Therefore, we conclude that extraction using the tea method or using a mixture of water and organic solvents resulted in higher yields compared with pure organic solvents or continuous boiling with water for long periods. The obtained extracts were analyzed using high-performance liquid chromatography equipped with a diode array detector (HPLC–DAD), coupled with UV–visible spectrophotometry at a full spectrum (200–800 nm). The HPLC spectra of the extracts were almost identical at three wavelengths (260 nm for phloroglucinols (hyperforin and derivates), 590 nm for naphthodianthrones (hypericins), and 350 nm for other flavonols, flavones, and caffeoylquinic acids), with differences observed only in the intensity of the peaks. This indicates that the same compounds were obtained using different solvents, but in different amounts. Five standards (chlorogenic acid, quercetin, quercitrin hydrate, hyperoside, and hypericin) were used, and a comparison with retention times and ultravio

Published
2022

26. Green Synthesis of Silver Nanoparticles Using Hypericum perforatum L. Aqueous Extract with the Evaluation of Its Antibacterial Activity against Clinical and Food Pathogens

Author

Alahmad, Abdalrahim, Al-Zereini, Wael A., Hijazin, Tahani J., Al-Madanat, Osama Y., Alghoraibi, Ibrahim, Al-Qaralleh, Omar, Al-Qaraleh, Samer, Feldhoff, Armin, Walter, Johanna-Gabriela, Scheper, Thomas, Alahmad, Abdalrahim, Al-Zereini, Wael A., Hijazin, Tahani J., Al-Madanat, Osama Y., Alghoraibi, Ibrahim, Al-Qaralleh, Omar, Al-Qaraleh, Samer, Feldhoff, Armin, Walter, Johanna-Gabriela, and Scheper, Thomas

Abstract

The rapid development of nanotechnology and its applications in medicine has provided the perfect solution against a wide range of different microbes, especially antibiotic-resistant ones. In this study, a one-step approach was used in preparing silver nanoparticles (AgNPs) by mixing silver nitrate with hot Hypericum perforatum (St. John’s wort) aqueous extract under high stirring to prevent agglomeration. The formation of silver nanoparticles was monitored by continuous measurement of the surface plasma resonance spectra (UV-VIS). The effect of St. John’s wort aqueous extract on the formation of silver nanoparticles was evaluated and fully characterized by using different physicochemical techniques. The obtained silver nanoparticles were spherical, monodisperse, face-centered cubic (fcc) crystal structures, and the size ranges between 20 to 40 nm. They were covered with a capping layer of organic compounds considered as a nano dimension protective layer that prevents agglomeration and sedimentation. AgNPs revealed antibacterial activity against both tested Gram-positive and Gram-negative bacterial strains causing the formation of 13–32 mm inhibition zones with MIC 6.25–12.5 µg/mL; Escherichia coli strains were resistant to tested AgNPs. The specific growth rate of S. aureus was significantly reduced due to tested AgNPs at concentrations ≥½ MIC. AgNPs did not affect wound migration in fibroblast cell lines compared to control. Our results highlighted the potential use of AgNPs capped with plant extracts in the pharmaceutical and food industries to control bacterial pathogens’ growth; however, further studies are required to confirm their wound healing capability and their health impact must be critically evaluated

Published
2022

27. Green Synthesis of Silver Nanoparticles Using Hypericum perforatum L. Aqueous Extract with the Evaluation of Its Antibacterial Activity against Clinical and Food Pathogens

Author

Alahmad, Abdalrahim, primary, Al-Zereini, Wael A., additional, Hijazin, Tahani J., additional, Al-Madanat, Osama Y., additional, Alghoraibi, Ibrahim, additional, Al-Qaralleh, Omar, additional, Al-Qaraleh, Samer, additional, Feldhoff, Armin, additional, Walter, Johanna-Gabriela, additional, and Scheper, Thomas, additional

Published
2022
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35. Transition fils boites dans le système InAs/InP (100)

Author

Lu, Wei, Alghoraibi, Ibrahim, Elias, Georges, Nakkar, Abdulhadi, Létoublon, Antoine, Rohel, Tony, Folliot, Hervé, Bertru, Nicolas, Le Corre, Alain, Loualiche, Slimane, Fonctions Optiques pour les Technologies de l'informatiON (FOTON), Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne, Boyer, Soline, Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), and Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne-Centre National de la Recherche Scientifique (CNRS)

Subjects
stomatognathic diseases, [SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic
Abstract

Oral; National audience

Published
2009

36. Improvement of 1.55 µm InAs QD laser using vicinal (001)InP substrate

Author

Elias, Georges, Letoublon, Antoine, Piron, Rozenn, Alghoraibi, Ibrahim, Tavernier, Karine, Chevalier, Nicolas, Bertru, Nicolas, Le Corre, Alain, Loualiche, Slimane, Fonctions Optiques pour les Technologies de l'informatiON (FOTON), Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne, Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), and Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne-Centre National de la Recherche Scientifique (CNRS)

Subjects
[SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2009
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37. Self-organized growth of InAs quantum dots on InP(001)

Author

Elias, Georges, Létoublon, Antoine, Bertru, Nicolas, Le Corre, Alain, Alghoraibi, Ibrahim, Nakkar, Abdulhadi, Chevalier, Nicolas, Loualiche, Slimane, Fonctions Optiques pour les Technologies de l'informatiON (FOTON), Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne, Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne-Centre National de la Recherche Scientifique (CNRS), and Boyer, Soline

Subjects
stomatognathic diseases, [SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic, health care facilities, manpower, and services, education, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, health care economics and organizations
Abstract

Oral; International audience

Published
2008

38. Epitaxie des boites quantiques hautes performances InAs/InGaAsP/InP(100) pour des applications laser

Author

Elias, Georges, Bertru, Nicolas, Le Corre, Alain, Letoublon, Antoine, Alghoraibi, Ibrahim, Nakkar, Abdulhadi, Chevalier, Nicolas, Loualiche, Slimane, Fonctions Optiques pour les Technologies de l'informatiON (FOTON), Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne, Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne-Centre National de la Recherche Scientifique (CNRS), and Boyer, Soline

Subjects
[SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic
Published
2008

39. Optical properties and morphology of the quantum dots InAs/InP (311)B characterized by photoluminescence

Author

Nakkar, Abdulhadi, Folliot, Hervé, Le Corre, Alain, Alghoraibi, Ibrahim, Labbé, Christophe, Lamy, Jean-Michel, Cornet, Charles, Loualiche, Slimane, Fonctions Optiques pour les Technologies de l'informatiON (FOTON), Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne, Sandie european network of excellence, European Project: 26449,SANDIE, Boyer, Soline, Self-Assembled semiconductor Nanostructures for new Devices in photonics and Electronics - SANDIE - 26449 - OLD, Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), and Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne-Centre National de la Recherche Scientifique (CNRS)

Subjects
[SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2007

40. Study of InAs/InP(311)B stacked quantum dots for laser emission at 1.55 µm

Author

Elias, Georges, Létoublon, Antoine, Caroff, Philippe, Alghoraibi, Ibrahim, Bertru, Nicolas, Dehaese, Olivier, Rohel, Tony, Le Corre, Alain, Ponchet, Anne, Ulloa, J.-M., Koenraad, Paul, Gapihan, E., Fonctions Optiques pour les Technologies de l'informatiON (FOTON), Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne-Centre National de la Recherche Scientifique (CNRS), Centre d'élaboration de matériaux et d'études structurales (CEMES), Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut de Chimie de Toulouse (ICT), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS), Cobra (COBRA), Eindhoven University of Technology [Eindhoven] (TU/e), Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne, Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie de Toulouse (ICT-FR 2599), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie du CNRS (INC)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut de Chimie du CNRS (INC)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), and Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)

Subjects
[SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2007

41. Stransky-Krastanow Gas Source MBE growth and optical properties of InAs/GaP quantum dots

Author

Cornet, Charles, Dehaese, Olivier, Pedesseau, Laurent, Alghoraibi, Ibrahim, Rohel, Tony, Létoublon, Antoine, Even, Jacky, Bertru, Nicolas, Le Corre, Alain, Loualiche, Slimane, Fonctions Optiques pour les Technologies de l'informatiON (FOTON), Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne, projet CPER PONANT, Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne-Centre National de la Recherche Scientifique (CNRS), and Boyer, Soline

Subjects
[SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2007

42. Boîtes quantiques InAs/InP(113) pour l'émission à 1.55 µm : contrôle de la croissance et caractérisation Structurale

Author

Létoublon, Antoine, Caroff, Philippe, Bertru, Nicolas, Rohel, Tony, Le Corre, Alain, Alghoraibi, Ibrahim, Simon, A., Celebi, C., Ulloa, J.-M., Koenraad, Paul, Fonctions Optiques pour les Technologies de l'informatiON (FOTON), Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne, Cobra (COBRA), Eindhoven University of Technology [Eindhoven] (TU/e), Boyer, Soline, Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), and Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne-Centre National de la Recherche Scientifique (CNRS)

Subjects
[SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, ComputingMethodologies_GENERAL
Abstract

poster

Published
2006

43. Low threshold current density (311)B QD lasers

Author

Bertru, Nicolas, Alghoraibi, Ibrahim, Caroff, Philippe, Paranthoën, Cyril, Folliot, Hervé, Le Corre, Alain, Boyer, Soline, Fonctions Optiques pour les Technologies de l'informatiON (FOTON), Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne-Centre National de la Recherche Scientifique (CNRS), Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), and Université de Rennes (UNIV-RENNES)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne

Subjects
[SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2006

44. Self-Organization in Growth of InAs quantum dot and quantum dash lasers on InP for 1,55 µm optical telecommunications

Author

Alghoraibi, Ibrahim, Joulaud, Laurent, Paranthoën, Cyril, Le Corre, Alain, Dehaese, Olivier, Bertru, Nicolas, Loualiche, Slimane, Boyer, Soline, Fonctions Optiques pour les Technologies de l'informatiON (FOTON), Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne, Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), and Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne-Centre National de la Recherche Scientifique (CNRS)

Subjects
[SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic
Published
2006

45. First observation of wavelength greater than 2 microns photoluminescence of quantum dots on InP (100) substrate

Author

Doré, François, Cornet, Charles, Caroff, Philippe, Ballestar, A., Even, Jacky, Bertru, Nicolas, Dehaese, Olivier, Alghoraibi, Ibrahim, Folliot, Hervé, Piron, Rozenn, Le Corre, Alain, Loualiche, Slimane, Fonctions Optiques pour les Technologies de l'informatiON (FOTON), Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne, Boyer, Soline, Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), and Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne-Centre National de la Recherche Scientifique (CNRS)

Subjects
[SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2005

46. First observation of 2.4 microns photoluminescence of InAsSb/InP quantum dots on (100) InP substrate

Author

Doré, François, Cornet, Charles, Ballestar, A., Even, Jacky, Dehaese, Olivier, Alghoraibi, Ibrahim, Folliot, Hervé, Piron, Rozenn, Le Corre, Alain, Loualiche, Slimane, Fonctions Optiques pour les Technologies de l'informatiON (FOTON), Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Institut National des Sciences Appliquées (INSA)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne, Boyer, Soline, Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), and Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Télécom Bretagne-Centre National de la Recherche Scientifique (CNRS)

Subjects
[SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2005

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