Yayıncı "Elsevier Science Sa" Fen Fakültesi için listeleme
Toplam kayıt 70, listelenen: 21-40
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Electrochemically synthesized Sn2+ doped poly(3-methylthiophene) and poly(3,4-ethylenedioxythiophene) for supercapacitors
(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 ... -
Electropolymerization and in situ sulfonation of aniline in water-acetonitrile mixture containing FSO3H
(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
(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 ... -
Energy relaxation of hot electrons by LO phonon emission in AlGaN/AlN/GaN heterostructure with in situ Si3N4 passivation
(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 ... -
Evaluation of mineralization kinetics and pathway of norfloxacin removal from water by electro-Fenton treatment
(Elsevier Science Sa, 2016)The development of antibiotic resistance in bacteria, which arises from the presence of antibiotics in wastewater systems, is one of the most important problems of human beings nowadays. In this study, the removal of ... -
Facile two-step preparation of polystyrene/anatase TiO2 core/shell colloidal particles and their potential use as an oxidation photocatalyst
(Elsevier Science Sa, 2014)Titania and materials containing titania have received considerable attention due to their technological importance in many areas. In this study, anatase crystalline titania (TiO2) coated polystyrene (PS) colloidal particles ... -
Frequency and temperature dependent electrical and dielectric properties of LaCrO3 and Ir doped LaCrO3 perovskite compounds
(Elsevier Science Sa, 2018)Perovskite oxide materials, especially perovskite lanthanum chromium oxide, LaCrO3 (LCO) have taken considerable attention among the scientists due to the changing optical, electrical, dielectric and magnetic properties ... -
Graphite-supported TiO2 for 4-nitrophenol degradation in a photoelectrocatalytic reactor
(Elsevier Science Sa, 2009)Amorphous TiO2, prepared at room temperature through a sol-gel method implementing hydrolysis of TiCl4, has been supported on graphite rods and then annealed at 673 K. In this way graphite was completely covered by a porous ... -
Improved mobility of the copper phthalocyanine thin-film transistor
(Elsevier Science Sa, 2010)Copper phthalocyanine (CuPc) organic thin-film transistor (OTFT) was fabricated by thermal evaporation deposition on p-SiO2 dielectric layer. Organic thin-film transistors used in large display areas need the enhancement ... -
Influence of dopant concentration on the optical properties of ZnO: In films by sol-gel method
(Elsevier Science Sa, 2009)Undoped and in doped ZnO films have been deposited by sol-gel spin coating method. The effect of indium, incorporation on structural and optical properties of ZnO films has been investigated. X-ray diffraction patterns of ... -
Influence of heat treatment on the nanocrystalline structure of ZnO film deposited on p-Si
(Elsevier Science Sa, 2009)The influence of heat treatment on the crystal structure, grain growth kinetics, orientation, and refractive index properties of the ZnO film deposited onto p-type single-crystalline Si substrate by sol-gel method has been ... -
Influence of the deposition temperature on the physical properties of high electron mobility ZnO films by sol-gel process
(Elsevier Science Sa, 2015)Influence of the deposition temperature on the structural, morphological and electrical properties of the sol gel derived nanostructure Zinc Oxide (ZnO) films on p-type Silicon (p-Si) substrates were investigated. X-ray ... -
Investigation of structural, morphological and optical properties of nickel zinc oxide films prepared by sol-gel method
(Elsevier Science Sa, 2011)NiZnO films have been prepared on glass substrates by sol-gel spin coating method. Nickel (II) nitrate hexahyrate and zinc acetate dihydrate were used as precursors. Surface morphology and crystalline structure of the films ... -
Ion chromatography-potentiometric detection of inorganic anions and cations using polypyrrole and overoxidized polypyrrole electrode
(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 ... -
Molecularly imprinted ligand-exchange recognition assay of DNA by SPR system using guanosine and guanine recognition sites of DNA
(Elsevier Science Sa, 2008)Molecular imprinting polymer (MIP) as a recognition element for sensors are increasingly of interest and MIP-SPR have started to appear in the literature. In this Study, we have proposed a novel surface imprinting method ... -
N-acylbenzotriazole mediated microwave assisted synthesis of protected and novel unprotected ferrocenoylamidoamino acids
(Elsevier Science Sa, 2011)In this study, crystalline and chirally stable carboxyl-protected and novel unprotected N-ferrocenoyl amino acid derivatives of Ser, Cys, Ala, Phe, Trp, Asp and Asn have been prepared. These amino acids undergo substitution ... -
N-ferrocenoyl benzotriazole: A convenient tool for the synthesis of ferrocenoyl esters
(Elsevier Science Sa, 2010)A new synthesis methodology has been presented for the preparation of the ferrocenoyl esters. Ferrocene carboxylic acid was derivatized using direct 1H-benzotriazole/SOCl(2) methodology to prepare N-ferrocenoyl benzotriazole ... -
Nano anti-tumor necrosis factor-alpha based potentiometric sensor for tumor necrosis factor-alpha detection
(Elsevier Science Sa, 2015)Tumor necrosis factor (TNF)-alpha promotes rheumatoid arthritis (RA) symptoms, including inflammation and bone erosion. The role of TNF-alpha. in RA is considered to be complex because cytokine is responsible for a wide-range ... -
Novel boron compounds of 2,3-and 2,5-pyridinedicarboxylic acids
(Elsevier Science Sa, 2012)The (Hea)[B(ph)(2)(2,3-pydc)] (1) and (Hea)[B(ph)(2)(2,5-pydc)] (2) boron compounds (2,3-H(2)pydc = 2,3-pyridinedicarboxylic acid, 2,5-H(2)pydc = 2,5-pyridinedicarboxylic acid, Hea = ethanolammonium) were synthesized and ... -
On the structural characterization of InAs/GaSb type-II superlattices: The effect of interfaces for fixed layer thicknesses
(Elsevier Science Sa, 2013)We report on the detailed epitaxial growth conditions for type-II InAs/GaSb superlattice (SL) structures designed for mid-wave infrared detection. The mismatch between the GaSb buffer and the SL is precisely controlled by ...