Leila Hasniou

Centre de Recherche sur l'Information Scientifique et Technique

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Belkacem Nessark

University Ferhat Abbas of Setif

K. Lmimouni

Centre National de la Recherche Scientifique

Ahmed Madani

Cairo University

Leila Lamiri

Research Center in Industrial Technologies

Khadidja Daideche

University Ferhat Abbas of Setif

L Djaouane

Djahida Lerari

Centre de Recherche sur l'Information Scientifique et Technique

F Habalhames

Delloula Lakhdari

Higher National Veterinary School

Naima Maouche

University Ferhat Abbas of Setif

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University Ferhat Abbas of Setif

Laboratoire d'Electrochimie Moléculaire

Centre de Recherche sur l'Information Scientifique et Technique

Research Center in Industrial Technologies

Centre National de la Recherche Scientifique

Université de Lille

École Centrale de Lille

Institut d'électronique de microélectronique et de nanotechnologie

Université Polytechnique Hauts-de-France

IMT Nord Europe

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Synthèse caractérisation structurale et électrochimique d’un nouveau ligand et ses complexes des métaux de transition

Leila Hasniou

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Electrosynthesis, characterization and photoconducting performance of copolymer poly(terthiophene + sexithiophene + TiO2)/ITO composite material

Russian Journal of Applied Chemistry (2017)

Leila Hasniou Belkacem Nessark Naima Maouche

Photocurrent

Titanium Dioxide

Electrosynthesis

10.1134/s1070427217040206

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Citations (1)

Electrosynthesis and analysis of the electrochemical properties of a composite material: polyterthiophene + titanium oxide

nano Online (2018)

Leila Hasniou Belkacem Nessark Ahmed Madani K. Lmimouni

Electrosynthesis

Titanium oxide

10.1515/nano.0013.00115

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Photoelectrochemical Characterization of (P3T+6T) Composite Film Doped with TiO2 Nanoparticles

Leila Hasniou

In recent years, the composite materials have attracted interest as inorganic semiconducting nanoparticles owing to their small size and novel properties and the conjugated polymers for their attributes as easily processed semiconductor materials with a great potential in optoelectronic applications [1, 2]. The composites are usually prepared in the form of bilayers of conducting polymer/semiconductor. In the present work, a composite material was electrochemically synthesized. This composite material was containing the monomers (terthiophene, sexithiophene) and semiconductor (TiO 2 ) particles, films obtained from (3T+6T ) and titanium dioxide (TiO 2 ) at a platinum electrode or ITO glass electrodes (SOLEMS) .The so obtained films were Characterized using cyclic voltamperometry (CV), impedance spectroscopy measurement (SIE), EDX, SEM to study their electrochemical properties. These modified electrodes can be used in various applications, such as light emitting diodes (LEDs) and photovoltaic cells. Keywords: electrosynthesis, composite materials, polyterthiophene, sexithiophene, titanium dioxide (TiO 2 ).

Electrosynthesis

Titanium Dioxide

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PHYSICOCHEMICAL AND MORPHOLOGICAL PROPERTIES OF NOVEL COPOLYMERS FOR APPLICATION IN PHOTOVOLTAIC ENERGY

Leila Lamiri Belkacem Nessark F Habalhames Leila Hasniou L Djaouane

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Electro Synthesis and Characterization of PANI and PANI/ZnO Composites Films

The 17th International Electronic Conference on Synthetic Organic Chemistry (2020)

Khadidja Daideche Leila Hasniou Djahida Lerari

The polyaniline (PANI) and ZnO doped polyaniline composite (PANI/ZnO) films were synthesized by electrochemical polymerization on transparent ITO glass substrate using cyclic voltammetry for 10th cycle by potential sweep from −200 to 900 mV vs.SCE in sulfuric acid medium with aniline monomer precursor and LiClO4supporting salt at room temperature. The doping effects of ZnO on PANI properties were studied; electrical properties of PANI and PANI/ZnO composite were estimated from Mott–Schottky analysis which demonstrated an n-type conductivity for all films with carrier concentrations in order of 1017and 1019 for PANI and PANI/ZnO composite respectively. The effect of the concentration of ZnO dopant in the electrolyte on the morphology and the composition of the PANI were investigated from scanning electron microscopy coupled Energy Dispersive Spectroscopy analysis (SEM+EDS). UV-VIS was investigated to study the optical characteristics of the films such as transmittance and band gap energy. The characteristics of the films were found to be depending on the concentration of ZnO particles in the electrolyte during electrochemical polymerization. Fourier transform infrared (FTIR) confirms the links and the interaction between PANI and ZnO dopant.

10.3390/ecsoc-24-08328

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Electrosynthesis and analysis of the electrochemical properties of a composite material: polyterthiophene + titanium oxide

e-Polymers (2017)

Leila Hasniou Belkacem Nessark Ahmed Madani K. Lmimouni

Abstract A polyterthiophene-titanium oxide (P3T+TiO 2 ) composite material was electrochemically synthesized in dichloromethane-tetrabutylammonium perchlorate CH 2 Cl 2 /TBAP containing a monomer (terthiophene) and semiconductor (TiO 2 ) nanoparticles. The obtained material was characterized using electrochemical methods (cyclic voltammetry and electrochemical impedance spectroscopy) and spectrometry analysis [scanning electron microscopy (SEM), spectrophotometer ultraviolet (UV)-visible, energy dispersive X-ray spectroscopy (EDX) and force atomic microscopy (AFM)]. The effect of TiO 2 nanoparticles on the photoelectrochemical and optical characteristics of P3T composite films was also studied. The results confirmed the presence of TiO 2 nanoparticles in the polyterthiophene matrix. The surface morphology of the (P3T+TiO 2 ) composite films revealed that adding TiO 2 nanoparticles increase the film’s roughness values. The addition of TiO 2 nanoparticles improve the absorbance of P3T composite films. Moreover, the photocurrent of the composite increased with the TiO 2 nanoparticles concentration and showed that this composite material could be used in photoelectrochemical applications such as photovoltaic cells.

Electrosynthesis

Titanium oxide

Photoelectrochemistry

10.1515/epoly-2017-0046

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Citations (3)