Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 1058, listelenen: 681-700
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A New Application Area for Ag-NHCs: CO2 Fixation Catalyst
(Wiley-V C H Verlag GMBH, 2012)The first example of the silver-NHC catalyzed cycloaddition of CO2 to terminal epoxides is reported. The choice of NHC substituents, halides and the nature of additives were determined to be important. Ionic [(Cnmim)2Ag]2[Ag2Br4] ... -
Mn(II) complexes with bipyridine, phenanthroline and benzoic acid: Biological and catalase-like activity
(Indian Acad Sciences, 2016)Five mononuclear Mn(II) complexes, [Mn(phen)(2)(ClO4)(2)] (1), [Mn(phen)(3)](ClO4)(2)(H2CO3)(2)(2), [Mn(bipy)(2)(ClO4)(2)] (3), [Mn(bipy)(3)](ClO4)(2)) (4), and Mn(phen)(2)(ba)(H2O)](ClO4)(CH3OH) (5), where bipy = ... -
Effective catalytic oxidation of alcohols and alkenes with monomeric versus dimeric manganese(II) catalysts and t-BuOOH
(Wiley, 2016)Two new Mn(II) complexes, [Mn(C6H5COO)(H2O)(phen)(2)](ClO4)(CH3OH) (1) and [Mn-2(-C6H5COO)(2)(bipy)(4)]2(ClO4) (2) (phen = 1,10-phenanthroline; bipy = 2,2-bipyridine), were synthesized and characterized using UV-visible ... -
Dielectric behavior of the catalyst zeolite NaY
(Scientific Technical Research Council Turkey-Tubitak, 2007)Zeolites are crystalline hydrated aluminosilicates of alkaline and alkaline earth metals. The basic zeolite structure is an anionic frame of Si and Al T-atoms, which are tetrahedral and coordinated with oxygen atoms. The ... -
Infrared spectrum and STM images of cyclohexene-2-ethanamine: First principle investigation
(Elsevier Science BV, 2008)The vibrational properties of cyclohexene-2-ethanamine molecule are studied by both theoretically and experimentally. The theoretical calculations are performed using density functional perturbation theory (DFPT) based on ... -
Electrical Properties of n-ZnO:La/p-Si Heterostructure Diode
(Amer Scientific Publishers, 2016)Lanthanum (La)-doped ZnO nanofilms were prepared by facile dip-coating method. The surface morphologies and crystallinity of the prepared films were examined by field emission scanning electron microscopy (FESEM) and X-ray ... -
Synthesized some 4-(2-thiazolylazo)resorcinol complexes: Characterization, thermal and optical properties
(Pergamon-Elsevier Science LTD, 2009)Some transition metal complexes of the type [ML2]center dot nH(2)O (n = 0 or 2) of the title ligand, 4-(2-thiazolylazo)resorcinol, HL (TAR) have been synthesized and characterized by various analytical and physicochemical ... -
Controlled growth of c-axis oriented ZnO nanorod array films by electrodeposition method and characterization
(Pergamon-Elsevier Science LTD, 2014)ZnO nanorod array films were deposited from aqueous solution containing different concentrations (1 x 10(-2) M and 5 x 10(-3) M) Zn(NO3)(2)center dot 6H(2)O and C6H12N4 and at different electrodeposition times (i.e., 15 ... -
Influence of Irradiation Time on Structural, Morphological Properties of ZnO-NRs Films Deposited by MW-CBD and Their Photodiode Applications
(Hindawi LTD, 2017)Microwave-assisted chemical bath deposition (MW-CBD) was used to deposit zinc oxide nanorods (ZnO-NRs) films by using different microwave irradiation time. The films exhibit a good crystallinity having a hexagonal wurtzite ... -
Structural, optical and electrical properties of F-doped ZnO nanorod semiconductor thin films deposited by sol-gel process
(Elsevier Science BV, 2008)Structural, optical and electrical properties of fluorine-doped ZnO nanostructure semiconductor thin films prepared by sol-gel spin coating method have been investigated. The thin films have polycrystalline structure with ... -
Fabrication of p-Si/n-ZnO:Al heterojunction diode and determination of electrical parameters
(Elsevier Science BV, 2018)We present a fundamental experimental study of a microwave assisted chemical bath deposition (MW-CBD) method for Al doped ZnO films. Field emission scanning electron microscopy (FESEM) and X-ray diffraction (XRD) spectroscopy ... -
Sn doping effects on the electro-optical properties of sol gel derived transparent ZnO films
(Elsevier Science BV, 2010)Undoped and tin (Sn) doped ZnO films have been deposited by sol gel spin coating method. The Sn/Zn nominal volume ratio was 1, 3 and 5% in the solution. The effect of Sn incorporation on structural and electro-optical ... -
Microstructure and electro-optical properties of sol-gel derived Cd-doped ZnO films
(Academic Press LTD- Elsevier Science LTD, 2010)The microstructure, and the electrical and optical properties of undoped zinc oxide (ZnO) and cadmium-doped ZnO (CZO) films deposited by a sol-gel method have been investigated. The films have a polycrystalline structure ... -
The role of pH and boron doping on the characteristics of sol gel derived ZnO films
(Elsevier Science Sa, 2011)Undoped and boron doped ZnO films (nominal volume B/Zn ratio = 1%, 3% and 5%) were deposited onto glass substrates by the sol gel method using spin coating technique. Zinc acetate dihydrate (ZnAc), 2-methoxyethanol and ... -
The effects of substrate temperature on refractive index dispersion and optical constants of CdZn(S0.8Se0.2)(2) alloy thin films
(Elsevier Science Sa, 2009)The effect of substrate temperature on optical properties of CdZn(S0.8Se0.2)(2) thin films deposited onto glass substrates by the spray pyrolysis method has been investigated. The average optical transmittance of the films ... -
Effect of Cu and In content in precursor solution on the structural and optical properties of CuInS2 in CH ordered nanostructured films
(Elsevier GMBH, 2016)CuInS2 nanostructured films were prepared by Ultrasonic spray pyrolysis (USP) method. Variation of structural and optical properties of the CuInS2 films including Cu and In in the precursor solution were investigated. The ... -
CdO:Al films deposited by sol-gel process: a study on their structural and optical properties
(Natl Inst Optoelectronics, 2009)Undoped and Al-doped CdO films have been prepared by sol-gel spin-coating method. Effects of Al dopant on the structural and optical properties of CdO film have been investigated. The films were prepared for Al/Cd ratios ... -
Polycrystalline indium-doped ZnO thin films: preparation and characterization
(Natl Inst Optoelectronics, 2008)Zinc oxide (ZnO) and indium-doped zinc oxide (20) thin films have been deposited onto glass substrates by the spray pyrolysis method. The variations of the structural, electrical and optical properties with the indium ... -
XRD Raman analysis and optical properties of CuS nanostructured film
(Elsevier GMBH, 2016)Raman spectroscopy and X-ray diffraction (XRD) methods were applied to determine the phase composition and crystal quality of CuS nanostructured film grown by spray pyrolysis. The film has polycrystalline structure with ... -
Characterization of zincblende CuInS2 nanostructured film: The XRD, Raman, FT-IR and UV-vis spectroscopical investigations
(Natl Inst Science Communication-Niscair, 2016)Zincblende semiconductor CuInS2 has not been focus of studies until recently. Ultrasonic spray pyrolysis (USP) method is used to deposit zincblende CuInS2 nanostructured film on glass substrate at 250 degrees C in this ...
