Yazar "Şahin, Yücel" için listeleme
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Electrochemical Determination of Paracetamol by a Novel Derivative of Formazan Modified Pencil Graphite Electrode
Görçay, Hakan; Türkoğlu, Gülsen; Şahin, Yücel; Berber, Halil (IEEE-Inst Electrical Electronics Engineers Inc, 2014)A modified electrode, based on electrodeposition of 5,5'-(oxybis(4,1-phenylene))bis(3-(2-hydroxyphenyl)-1-phenylformazan (BF) onto pencil graphite (PG) electrode, was investigated for the determination of paracetamol in ... -
Electrochemical investigation of the effects of V(V) and sulfuric acid concentrations on positive electrolyte for vanadium redox flow battery
Gençten, Metin; Gürsu, Hurmus; Şahin, Yücel (Pergamon-Elsevier Science LTD, 2016)0 In this study, the concentration effects of sulfuric acid solution and V(V) on positive electrolyte component of vanadium redox batteries were investigated by cyclic voltammetry and electrochemical impedance spectroscopy ... -
Electrochemical oxidation of ds-DNA on polypyrrole nanofiber modified pencil graphite electrode
Özcan, Ali; Şahin, Yücel; özsöz, Mehmet; Turan, Servet (Wiley-V C H Verlag GMBH, 2007)Preparation of a polypyrrole nanofiber (PPyNF) modified pencil graphite (PG) electrode and its usage in the electrochemical DNA biosensors was investigated. The electrodes (PPyNF/PG1 and PPyNF/PG2) were prepared from a ... -
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 ... -
Elektrokimyasal yöntemlerle çinkometalinden çinko oksit ve çinko gliserat sentezi
İmamoğlu, Gamze (Anadolu Üniversitesi, 2013)Çinko(II)oksit (ZnO) saydam ve iletkenlik özellikler gösteren, oda koşullarında bant genişliği 3,37 eV ve 60 meV aktivasyon enerjisine sahip n-tipi bir yarıiletkendir. Birçok farklı nano malzeme arasında, nano yapıdaki ZnO ... -
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 ... -
INVESTIGATION OF THE TEMPERATURE EFFECT ON ELECTROCHEMICAL BEHAVIORS OF TiO2 FOR GEL TYPE VALVE REGULATED LEAD-ACID BATTERIES
Gençten, Metin; Dönmez, B. Koray; Şahin, Yücel (2016)In this study, the effect of temperature on the electrochemical behaviors of gel electrolyte systems was investigated for valve regulated lead-acid battery at 0<= T <=50 oC. Fumed silica and mixture of fumed silica ... -
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 ... -
Konjuge polimerlerin süperkapasitörlerde kullanımı
Görçay, Hakan (Anadolu Üniversitesi, 2017)Bu tez çalışmasında, 1-fenil-2,5-di(2-tiyenil)pirol, 9-fenantrenil-2,5-di(2-tiyenil)pirol, 1-pirenil-2,5-di(tiyenil)pirol ve 6-kraysenil-2,5-di(tiyenil)pirol olmak üzere dört farklı monomer kimyasal olarak sentezlenmiştir. ... -
Kurşun asit akülerde jel elektrolit kullanımı
Dönmez, Koray Bahadır (Anadolu Üniversitesi, 2013)Bu çalışmada kurşun asit aküler için kullanılabilecek yapıda polisiloksan sol-jel yöntemiyle sentezlenmiştir. Fumed silika temelli, sodyum silikat temelli ve polisiloksan temelli jel elektrolit sistemleri hazırlanarak ...