Search Results - "Haj Said, A."

Photo-physical effects of the chemical insertion of the dimethyl-amine moiety on the newly synthesized oligophenylene (OMPA) by Chemek, M., Ben Amor, S., Taouali, W., Faulques, E., Bourass, M., Khlaifia, D., Haj Said, A., Alimi, K.

“…•Knoevenagel condensation of OMPA with dimethylformamide dimethyl acetal (DMF-DMA).•The chemical modification induce a high changes on the photophysical…”
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Submicron Particles of Metal–Organic Framework HKUST-1 with Negative Surface Charge and Their Electrophoretic Deposition on ITO by Mahfoudh, M., Khenoussi, N., Haj Said, A.

“…Negatively charged submicron-sized metal organic framework crystals (HKUST-1) were prepared using the 4-sulfobenzoic acid potassium salt as a crystal growth…”
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Functionalization of MWCNTs with Ferrocene-poly(p-phenylene) and Effect on Electrochemical Properties: Application as a Sensing Platform by Bizid, S., Mlika, R., Haj Saïd, A., Chemli, M., Korri Youssoufi, H.

“…MWCNTs have been dispersed with modified ferrocene‐poly(para‐phenylene) by π staking interaction to improve dispersion of MWCNTS in organic solution. Such…”
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Theoretical investigation of oligomer structure and optoelectronic properties for [4-(methoxyphenyl)acetonitrile]n (n=1-5) by Taouali, W., Casida, M. E., Chemek, M., Haj Said, A., Alimi, K.

“…Experimental measurement on oligomeric 4-(methoxyphenyl)acetonitrile (OMPA) synthesized via an electrochemical method indicated that the average chain length…”
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Optical and vibrational studies on single walled carbon nanotubes/short oligo-para-methoxy-toluene composite by Said, A. Haj, Ayachi, S., Chefia, I., Wéry, J., Alimi, K.

“…In a solution state, an oligophenylene prepared by electrochemical oxidation of para‐methoxy‐toluene exhibited luminescence in the violet‐to‐blue region…”
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On the photo-physical properties of soluble oligomer from anodic oxidation of chlorine-substituted anisole (OPClAn) by Ayachi, S., Bergaoui, S., Ben Khalifa, I., Haj Said, A., Chemek, M., Massuyeau, F., Wéry, J., Faulques, E., Alimi, K.

“…The DFT//B3LYP/3-21G* electronic structures of neutral and radical cation (RC) of oligomers as well as the PL decay dynamics in chloroform solution and in…”
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Investigations of poly(p-phenylene) modified with ferrocene and their application in electrochemical DNA sensing by Bizid, S., Mlika, R., Haj Said, A., Chemli, M., Korri Youssoufi, H.

“…•Synthesis of soluble poly(p-phenylene) modified in side chain by ferrocene was described.•The effect of the functionalization of poly(p-phenylene) on…”
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About some properties of electro-synthesized short Oligo(Para-Fluoro-Anisole) (OPFA): A combined experimental and theoretical study by Ben Khalifa, I., Bargaoui, S., Haj Said, A., Ayachi, S., Zaidi, B., Wéry, J., Alimi, K.

“…► Use of DFT to predict the oligomerization mechanism of fluoro-anisole. ► Optical and vibrational properties are reproduced based on model compound. ► Excited…”
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Molecular structure–optical property relationships of 1,3-bis (4-methoxyphenyl) prop-2-en-1-one: A DFT and TD-DFT investigation by Ghomrasni, S., Aribi, I., Ayachi, S., Haj Said, A., Alimi, K.

“…Some fundamental properties of the 1,3-bis (4-methoxyphenyl) prop-2-en-1-one, as functional monomer, are measured as well as calculated. The combined results…”
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Interferometric Data Analysis of Convective Heat Transfer under a Downward-Facing Horizontal Circular Plate by Said, A. Ait Haj, Elfagrich, M., Dahani, Y.

“…Interferometric data are analyzed to investigate heat transfer under a heated horizontal circular plate suspended in air at ambient temperature. To achieve an…”
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Third order nonlinear optical properties of oligophenylene dyads by open-aperture Z-scan technique by Guezguez, I., Hjiri, M., Haj Said, A., Boughaleb, Y., Belmabrouk, H.

“…The third order nonlinear optical response of some oligophenylene dyads were obtained at 30 ps, 532 nm using the Z-scan technique. The large nonlinearity of…”
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Electrosynthesis and characterization of a poly(paraphenylene) deriving from p-fluoroanisole by Bergaoui, S., Saîd, A. Haj, Roudesli, S., Matoussi, F.

“…The electrochemical oxidation of p-fluoroanisole ( p-FA) in the solvent acetonitrile leads to oligomers and polymers of poly(paraphenylene) type. The…”
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Structural and electronic properties of poly(meta/para phenylene) by Dridi, C, Haj. Said, A, Ouerghi, O, Chikhi, M, Legrand, A.P, Gamoudi, M, Davenas, J, Maâref, H

“…We have recently synthesised a random poly(meta/para phenylene) (PMPP) by an electrochemical method from p-methoxytoluene and fractionated on three-chain…”
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Some photophysical properties of new oligomer obtained from anodic oxidation of 4,4′-dimethoxychalcone by Ghomrasni, S., Aribi, I., Chemek, M., Said, A. Haj, Alimi, K.

“…Some photopysical properties of a new oligomer obtained from the anodic oxidation of the 4,4′-dimethoxy-chalcone were investigated using different and…”
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Electrochemical synthesis of a polyphenylene deriving from p-methoxytoluene by Haj Saı̈d, A, Dridi, C, Roudesli, S, Matoussi Mhalla, F

“…Polymerization of p-methoxytoluene by anodic oxidation in dry acetonitrile with an ultrasonic stirring has given a soluble polyphenylene. The obtained polymer…”
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The DLR-ORECOP real-time replication control protocol by Haj Said, A., Sadeg, B., Ayeb, B., Amanton, L.

“…Many real-time applications need data services in distributed environments. Providing such data services is a challeging task due to long remote data accessing…”
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Electrical properties of poly( meta/ para)phenylene by Besbes, S., Bouazizi, A., Ben Ouada, H., Maaref, H., Haj Said, A., Matoussi, F.

“…In this study, we investigate the ac electrical response of the ITO/PMPP/Al devices for medium- and short-chain lengths. From the conducting mechanisms and the…”
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Spectroscopic investigations on hybrid nanocomposites: CdS : Mn nanocrystals in a conjugated polymer by Dridi, C., Haouari, M., Ouada, H. Ben, Legrand, A.-P., Davenas, J., Bernard, M., André, J.-J., Saïd, A. Haj, Mattoussi, F.

“…We have used electron paramagnetic resonance (EPR) spectroscopy for investigating the properties of spins, such as those carried by polarons which carry both…”
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