Güncel Gönderiler: Fizik Bölümü
Toplam kayıt 1178, listelenen: 781-800
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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 ... -
Effect of cerium incorporation on the structural and optical properties of CdS film
(Elsevier GMBH, Urban & Fischer Verlag, 2016)The effect of cerium incorporation on structural and optical properties of CdS film has been investigated. X-ray diffraction patterns of the CdS and CdS:10%Ce films showed the hexagonal wurtzite type polycrystalline structure ... -
XPS Studies of Electrodeposited Grown F-Doped ZnO Rods and Electrical Properties of p-Si/n-FZN Heterojunctions
(Hindawi LTD, 2016)The chemical composition of the electrodeposited undoped and F-doped ZnO (FZN) rods was investigated by X-ray photoelectron spectroscopy (XPS). These results confirmed the existence of F as a doping element into ZnO crystal ... -
Temperature dependence of the optical band gap of sol-gel derived Fe-doped ZnO films
(Elsevier GMBH, 2016)This work presents the characterizations of sol-gel derived undoped nanostructured ZnO and Iron (Fe) doped ZnO films that were deposited onto borofloat glass substrates. To investigate of the effects of Fe doping on the ... -
Preparation and characterization of ZnO thin films deposited by sol-gel spin coating method
(Natl Inst Optoelectronics, 2008)ZnO thin films have been deposited onto the glass substrates by the sol-gel spin coating method at different chuck rotation rates. This method was used for the preparation of thin films of the important semiconductors H-VI. ... -
Complete analysis of the H-1 and C-13 NMR spectra of diastereomeric mixtures of (R,S- and S,S-)-3,6-dimethoxy-2,5-dihydropyrazine-substituted indoles and their conformational preference in solution
(Wiley-Blackwell, 2010)Complete analysis of the H-1 and C-13 NMR spectra obtained with and without a chemical shift reagent (Eu(fod)(3)), of bis-lactim ether 1 (Schollkopf auxiliary) and monosubstituted 3- or 2-{(2R,5S or 2S,5S)-5-isopropyl-3, ... -
Phosphorus-Nitrogen Compounds: Part 25. Syntheses, Spectroscopic, Structural and Electrochemical Investigations, Antimicrobial Activities, and Dna Interactions of Ferrocenyldiaminocyclotriphosphazenes
(Taylor & Francis LTD, 2013)The condensation reactions of hexachlorocyclotriphosphazene (N3P3Cl6) with mono (1 and 2) and bisferrocenyldiamines (3-5 and 7) resulted in the formation of tetrachloro mono- (8 and 9) and bisferrocenylspirocyclotriphosphazenes ... -
Amino acid conjugated self assembling molecules for enhancing surface wettability of fiber laser treated titanium surfaces
(Elsevier Science BV, 2016)Surface wetting properties of implants are one of the most critical parameter, which determine the interaction of proteins and cells with the implant surface. In this regards, acid etching and sand blasting are the mostly ... -
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 ... -
Synergistic thallium and iodine memory-based cryogel traps for removing thallium and iodine ions
(Springer, 2017)Both recovery and effective removing of radioactive thallium and iodine are important subject to protect human health and the environment. In this study, we have studied synergistic and cost-effective cryogel based sorbents ... -
3D Micropatterned All-Flexible Microfluidic Platform for Microwave-Assisted Flow Organic Synthesis
(Wiley-V C H Verlag GMBH, 2018)A large-area, all-flexible, microwaveable polydimethoxysilane microfluidic reactor was fabricated by using a 3D printing system. The sacrificial microchannels were printed on polydimethoxysilane substrates by a direct ink ... -
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 ... -
Does Para-chloroaniline Really Form after Mixing Sodium Hypochlorite and Chlorhexidine?
(Elsevier Science Inc, 2016)Introduction: Mixing sodium hypochlorite (NaOCI) with chlorhexidine (CHX) forms a brown-colored precipitate. Previous studies are not in agreement whether this precipitate contains para-chloroaniline (PCA). Tests used for ... -
N-acylbenzotriazole mediated synthesis of some methacrylamido amino acids
(Bentham Science Publ LTD, 2007)N-acylbenzotriazole mediated synthetic methodology for introducing methacryloyl ( MA) group onto amino acids with complete retention of chirality has been disclosed. -
Synthesis and electrochemical polymerization of a novel 2-(thiophen-2-yl)-4-(thiophen-2-ylmethylene)oxazol-5(4H)-one monomer for supercapacitor applications
(Elsevier Science BV, 2016)In this study, the organic synthesis, electrochemical polymerization and electrochemical characterization of a novel 2-(thiophen-2-yl)-4-(thiophen-2-ylmethylene)oxazol-5(4H)-one, 3, monomer have been reported for supercapacitor ... -
Structural and optical properties of nanocrystalline ZnS and ZnS:Al films
(Elsevier, 2018)ZnS and ZnS:Al films have been deposited by ultrasonic spray pyrolysis (USP) method. Three different atomic ratios of aluminium were used as the dopant element. The effects of aluminum incorporation on structural and optical ... -
Prediction of the kinetics, equilibrium and thermodynamic parameters of adsorption of copper(II) ions onto 8-hydroxy quinoline immobilized bentonite
(Elsevier Science BV, 2008)In this study, the chelating agent of 8-hydroxy quinoline (HQ) was firstly used for the immobilization of bentonite and then it was used for the adsorption of copper(II) ions from aqueous solutions. The parameters of pH, ...