Yazar "Anadolu Üniversitesi, Fen Fakültesi, Fizik Bölümü" için Fen Fakültesi listeleme
-
Electrochemical synthesis, characterization and capacitive properties of novel thiophene based conjugated polymer
Çelik, Burcu; Çelik, Ilharni; Dolas, Hacer; Görçay, Hakan; Şahin, Yücel; Sarac, A. Sezai; Pekmez, Kadir (Elsevier Science BV, 2014)In this paper, a novel thiophene based monomer, 1-(pyren-1-yl)-2,5-di(thiophen-2-yl)-1H-pyrrole, PThP, was synthesized and characterized by H-1 NMR and C-13 NMR spectroscopic methods. The electrochemical behavior and ... -
Electrochemical Treatment of the Antibiotic Sulfachloropyridazine: Kinetics, Reaction Pathways, and Toxicity Evolution
Dirany, Ahmad; Sires, Ignasi; Oturan, Nihal; Özcan, Ali; Oturan, Mehmet A. (American Chemical Society, 2012)The electro-Fenton treatment of sulfachloropyridazine (SCP), a model for sulfonamide antibiotics that are widespread in waters, was performed using cells with a carbon-felt cathode and Pt or boron-doped diamond (BDD) anode, ... -
Electrochemically synthesized Sn2+ doped poly(3-methylthiophene) and poly(3,4-ethylenedioxythiophene) for supercapacitors
Çağlar, Müjdat; Arslan, Andaç; Kılıç, Ramis; Hür, Evrim (Elsevier Science Sa, 2015)Electrochemically synthesized tin ion (Sn2+) doped poly(3-methylthiophene) (P3MeT:Sn) and poly(3,4-ethylenedioxythiophene) (PEDOT:Sn) on pencil graphite electrode (PGE) were prepared to utilize as the electrode materials ... -
Electrochemistry coupled to fluorescence spectroscopy: a new versatile approach
Dias, M; Hudhomme, P; Levillain, E; Perrin, L; Şahin, Yücel; Sauvage, FX; Wartelle, C (Elsevier Science Inc, 2004)The efficiency and versatility of a spectroelectrochemical cell was used in order to couple electrochemistry and fluorescence spectroscopy. This new tool was tested and validated through the study of the reduction steps ... -
Electrodeposited SnS film for photovoltaic applications
Kul, Metin (Pergamon-Elsevier Science LTD, 2014)SnS film has been produced by electrodeposition technique onto ITO (indium-tin-oxide) coated glass substrates using aqueous solution containing SnCl2 and Na2S2O3. The pH of the solution was adjusted to 1.8 by drop-wise ... -
Electrodeposition of polyaniline, poly(2-iodoaniline), and poly(aniline-co-2-iodoaniline) on steel surfaces and corrosion protection of steel
Bereket, G; Hür, Evrim; Şahin, Y (Elsevier Science BV, 2005)Polyaniline (PANi), poly(2-iodoaniline) (PIANi), and poly(aniline-co-2-iodoaniline) (co-PIANi) were synthesized using cyclic voltammetry in acetonitrile solution containing tetrabuthylammonium perchlorate (TBAP) and ... -
Electromagnetic energy conservation with complex octonions
Octonions are the eight dimensional hypercomplex numbers that form a noncommutative and nonassociative division algebra. In this study, a general framework for the real, complex octonions and their algebra are provided by ... -
Electron and hole energy relaxation rates in GaInNAs/GaAs quantum wells via deformation potential and piezoelectric scattering
Tıraş, Engin; Ardalı, Şükrü (Wiley-V C H Verlag GMBH, 2013)The two-dimensional (2D) electron and hole energy relaxation associated with acoustic phonon emission in n- and p-type modulation doped Ga0.7In0.3NyAs1y/GaAs quantum wells has been investigated experimentally using ... -
Electronic and optical properties of 4.2 mu m"N" structured superlattice MWIR photodetectors
Salihoğlu, Ömer; Hoştut, Mustafa; Tansel, Tunay; Kutluer, K.; Kılıç, A.; Alyörük, M.; Aydınlı, A. (Elsevier Science BV, 2013)We report on the development of a new structure for type II superlattice photodiodes that we call the "N" design. In this new design, we insert an electron barrier between InAs and GaSb in the growth direction. The barrier ... -
Electronic structure and optical properties of Schiff base hydrazone derivatives by solution technique for optoelectronic devices: Synthesis, experiment and quantum chemical investigation
Sidir, İsa; Sidir, Yadigar Gülseven; Berber, Halil; Demiray, Ferhat (Elsevier Science BV, 2019)In this study, electronic, optical and spectroscopic FT-IR, UV properties of new synthesized Schiff base hydrazone derivatives, 1-(4-nitrophenyl)-2-(4-phenoxybenzylidene)hydrazone and 1-(2,4-dinitropheny1)-2-(4-phenoxybe ... -
The electronic structure, solvatochromism, and electric dipole moments of new Schiff base derivatives using absorbance and fluorescence spectra
Sidir, Yadigar Gülseven; Aslan, Cebrail; Berber, Halil; Sidir, İsa (Springer/Plenum Publishers, 2019)The electronic structure and electronic transitions of four new mono Schiff base derivatives are interpreted by using absorption and fluorescence spectra including 28 different solution medium. Electrical dipole moments ... -
Electropolymerization and in situ sulfonation of aniline in water-acetonitrile mixture containing FSO3H
Şahin, Yücel; Pekmez, Kadir; Yıldız, Attila (Elsevier Science Sa, 2002)In situ sulfonation reaction of aniline was carried out in water and water-acetonitrile mixture by changing both aniline and fluorosulfonic acid (FSO3H) concentrations. The optimum conditions for the polymer formation was ... -
Electropolymerization of m-aminophenol on mild steel and its corrosion protection effect
Hür, Evrim; Bereket, Gözen; Duran, Berrin; Özdemir, Derya; Şahin, Yücel (Elsevier Science Sa, 2007)Poly-m-aminophenol (PMAP) films were synthesized using cyclic voltammetric (CV), chronoamperometric (CA) and chronopotentiometric (CP) methods in basic hydro-alcoholic medium on mild steel (MS). The structure and properties ... -
Elektromagnetik teorinin kuaternionlarla incelenmesi
Candemir, Nuray; Özdaş, Kudret (2003)Bu çalışmada, reel ve kompleks sayılar gibi bir sayı sistemi olan kuaternion ve kompleks kuatemionların tanımı yapılmıştır. Daha sonra kuaternion ve kompleks kuartenion cebirleri kullanılarak Maxwell denklemlerinin,süreklilik ... -
Emerging ground and excited state dipole moments and external electric field effect on electronic structure. A solvatochromism and theoretical study on 2-((phenylimino)methyl)phenol derivatives
Sidir, İsa; Sidir, Yadigar Gülseven; Berber, Halil; Demiray, Ferhat (Elsevier Science BV, 2015)The absorption and fluorescence spectra of three 2-((phenylimino)methyl)phenol derivatives have been evaluated in a series of organic solvents. The ground state (mu(g)) and excited state (mu(e)) dipole moments are determined ... -
Emulsifier-free cationic latexes based on vinylbenzyl chloride and 2-(dimethylamino)ethyl methacrylate with adjusted hydrophilic-hydrophobic properties
Türk, Hayrettin; Karabacak, R. Bengü; Erdem, Murat (Wiley-Blackwell, 2015)Functional emulsifier-free cationic latexes based on styrenic monomer vinylbenzyl chloride (VBC) and acrylic monomer 2-(dimethylamino)ethyl methacrylate (DMA) were successfully prepared with dual quaternary ammonium ions ... -
Emulsifier-free poly[2-(diethylamino) ethyl methacrylate] microgels with cationic quaternary ammonium monomers
Karabacak, R. Bengü (Wiley-Blackwell, 2016)Although poly[2-(diethylamino) ethyl methacrylate] (PDEA) microgels are biocompatible and show potential in drug delivery, little research exists with respect to their preparation. Therefore, emulsifier-free PDEA microgels ... -
Energetic trinuclear Ni-II-Ni-II-Ni-II complexes at high temperature
Çakırer, O.; Eker, E.; Ergün, U.; Gökçınar, E.; Yıldırım, L. Tatar; Dal, Hakan; Atakol, O. (Springer, 2010)Two ONNO type naphtaldehyde derivative Schiff base compounds were reduced and two symmetric phenol-amine ligands containing naphthalene groups were obtained; bis-N,N'[(2-hydroxy-1-naphtyl) methyl]-1,3-propanediamine (NAFL(H)) ... -
Energy relaxation of hot electrons by LO phonon emission in AlGaN/AlN/GaN heterostructure with in situ Si3N4 passivation
Atmaca, G.; Ardalı, Şükrü; Narin, P.; Kutlu, E.; Lisesivdin, Sefer Bora; Malin, T.; Tıraş, Engin (Elsevier Science Sa, 2016)In this study, energy relaxation mechanisms of electrons in AlGaN/AlN/GaN High Electron Mobility Transistor (HEMT) structures with and without in situ Si3N4 passivation were investigated. Although the physical parameters ... -
Energy Relaxation Rates in AlInN/AlN/GaN Heterostructures
Tıraş, Engin; Ardalı, Şükrü; Arslan, E.; Özbay E. (Springer, 2012)The two-dimensional (2D) electron energy relaxation in Al0.83In0.17N/AlN/GaN heterostructures has been investigated experimentally. Shubnikov-de Haas (SdH) effect measurements were employed in the investigations. The ...