Yazar "Şahin, Yücel" için WoS İndeksli Yayınlar Koleksiyonu listeleme
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Electrochemical polymerization of acetylene with copper catalyst on platinum and copper electrodes
Şahin, Yücel; Pekmez, Kadir; Yıldız, Attila (Elsevier Science Sa, 2002)Acetylene was electrochemically polymerized cathodically at -0.60 V (versus Ag/AgCl) in the presence of copper(I)perchlorate catalyst in acetonitrile containing tetrabutylammonium perchlorate (TBAP) at room temperature ... -
Electrochemical preparation of a molecularly imprinted polypyrrole-modified pencil graphite electrode for determination of ascorbic acid
Özcan, Levent; Şahin, Mutlu; Şahin, Yücel (Molecular Diversity Preservation Int, 2008)A molecularly imprinted polymer (MIP) polypyrrole (PPy)-based film was fabricated for the determination of ascorbic acid. The film was prepared by incorporation of a template molecule (ascorbic acid) during the ... -
Electrochemical preparation of soluble sulfonated polymers and aniline copolymers of aniline sulfonic acids in dimethylsulfoxide
Şahin, Yücel; Pekmez, Kadir; Yıldız, Attila (John Wiley & Sons Inc, 2003)Fully sulfonated polyaniline was produced during the electrochemical polymerization of orthanilic, metanilic, and sulfanilic acids in dimethylsulfoxicle (DMSO). The dry conductivity values of the polymers obtained from the ... -
Electrochemical synthesis and characterization of a new soluble conducting polymer
Udum, Yasemin Arslan; Ergün, Yavuz; Şahin, Yücel; Pekmez, Kadir; Yıldız, Attila (Springer, 2009)Electroactive poly(4-methyl carbazole-3-carboxylic acid) (PMCCA) film was formed on Pt electrode surface by oxidative electropolymerization of a new carbazole derivative. The structure of the soluble polymer was elucidated ... -
Electrochemical synthesis of self-doped polyaniline in fluorosulfonic acid/acetonitrile solution
Şahin, Yücel; Pekmez, Kadir; Yıldız, Attila (Elsevier Science Sa, 2002)Electrochemical formation of self-doped sulfonated polyaniline (SPAN) was carried out in acetonitrile-containing anhydrous fluorosulfonic acid (FSO3H). Fluorosulfonic acid was used as both sulfonation reagent for aniline ... -
Electrochemical synthesis of sulfonated polypyrrole in FSO3H/acetonitrile solution
Şahin, Yücel; Aydın, A; Udum, Yasemin Arslan; Pekmez, Kadir; Yıldız, A (John Wiley & Sons Inc, 2004)The incorporation of SO3- groups into a polypyrrole backbone was successfully carried out using FSO3H/acetonitrile medium. The degree of sulfonation (sulfonation or sulfur-to-nitrogen ratio) of polymer was controlled by ... -
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 ... -
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 ... -
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 ... -
Highly Sensitive Electrochemical Determination of Acetaminophen in Pharmaceuticals by Poly[2, 5-di(2-Thiophenyl)-1-p-(Tolyl) Pyrrole] Modified Pencil Graphite Electrode
Görçay, Hakan; Çelik, İlhami; Yurdakul, Erman; Şahin, Yücel; Kökten, Şule (IEEE-Inst Electrical Electronics Engineers Inc, 2016)A novel and highly sensitive sensor based on poly[2, 5-di(2-thiophenyl)-1-p-(tolyl) pyrrole] was developed and successfully applied for the electrochemical determination of acetaminophen (AC) in pharmaceutical samples. The ... -
In situ electrochemical solid-phase extraction of anions and cations using polypyrrole and overoxidized sulfonated polypyrrole
Şahin, Yücel; Ercan, Betül; Şahin, Mutlu (Elsevier Science BV, 2008)A new method for the extraction of both anions and cations is proposed using electro-synthesized polypyrrole (PPy) and overoxidized sulfonated polypyrrole film (OSPPy). In situ anion (chloride, nitrate, sulfate) and cation ... -
Ion chromatography-potentiometric detection of inorganic anions and cations using polypyrrole and overoxidized polypyrrole electrode
Şahin, Mutlu; Şahin, Yücel; Özcan, Adnan (Elsevier Science Sa, 2008)Polypyrrole (PPy) and overoxidized polypyrrole (OPPy) films were used as a potentiometric detector in ion chromatography, in order to determine some anions and cations in water samples. Electrodeposition of PPy film was ... -
A new dioxime ligand and its trinuclear copper(II) complex: Synthesis, characterization and optical properties
Karipcin, Fatma; Dede, Bülent; Çağlar, Yasemin; Hür, Deniz; Ilıcan, Saliha; Çağlar, Müjdat; Şahin, Yücel (Elsevier Science BV, 2007)The synthesis and characterization of a new dioxime ligand, (H,L), (III) and its trinuclear copper(II) complex, [Cu3L2(H2O)(2)](ClO4)(2), (V) is described. IR spectra show that the ligand acts in a tetradentate manner and ... -
Non-enzymatic glucose biosensor based on overoxidized polypyrrole nanofiber electrode modified with cobalt(II) phthalocyanine tetrasulfonate
Özcan, Levent; Şahin, Yücel; Türk, Hayrettin (Elsevier Advanced Technology, 2008)An enzymeless biosensor, based on electrode position of overoxidized polypyrrole nanofiber onto pencil graphite electrode and modified with cobalt(II) phthalocyanine tetrasulfonate (CoPcTS), was investigated in this study. ... -
A novel approach for the determination of paracetamol based on the reduction of N-acetyl-p-benzoquinoneimine formed on the electrochemically treated pencil graphite electrode
Özcan, Ali; Şahin, Yücel (Elsevier Science BV, 2011)A novel approach was proposed for the simple and rapid electrochemical determination of paracetamol (PC) in the presence of uric acid in body fluids. The voltammetric determination of PC is based on the electrochemical ... -
A novel approach for the selective determination of tryptophan in blood serum in the presence of tyrosine based on the electrochemical reduction of oxidation product of tryptophan formed in situ on graphite electrode
Özcan, Ali; Şahin, Yücel (Elsevier Advanced Technology, 2012)In this study, a novel method was proposed for the selective determination of tryptophan (TRP) in blood serum in the presence of tyrosine. This method is based on the electrochemical reduction of 2-amino-3-(5-oxo-3,5-dih ... -
A novel polysiloxane-based polymer as a gel agent for gel-VRLA batteries
Dönmez, Koray B.; Gençten, Metin; Şahin, Yücel (Springer Heidelberg, 2017)In this study, a novel polysiloxane-based gel agent (PSGA) was synthesized by using poly(dimethylsiloxane-co-alkylmethylsiloxane) and used as a gel agent for gel-valve-regulated lead-acid batteries. A PSGA was characterized ... -
One-step electrochemical preparation of graphene-coated pencil graphite electrodes by cyclic voltammetry and their application in vanadium redox batteries
Gürsu, Hurmus; Gençten, Metin; Şahin, Yücel (Pergamon-Elsevier Science LTD, 2017)In this study, a novel technique was investigated for the one-step production of graphene layers on a pencil graphite electrode. To the best of our knowledge, this report is the first to describe the formation of graphene ... -
One-step potentiostatic codeposition and electrochemical studies of poly(1-pyrenyl)-2,5-di(2-thienyl)pyrrole-co-pyrrole) film for electrochemical supercapacitors
Görçay, Hakan; Çelik, İlhami; Şahin, Yücel (Scientific Technical Research Council Turkey-Tubitak, 2018)In this paper, we report a simple, low-cost, and environmentally friendly electrochemical method to obtain a novel copolymer consisting of l-pyrenyl-2,5-di(2-thienyl)pyrrole and pyrrole on a pencil graphite electrode (PGE). ...