Güncel Gönderiler: Fen Edebiyat Fakültesi Koleksiyonu
Toplam kayıt 1212, listelenen: 1141-1160
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The synthesis and spectroscopic characterization of (+)-demethoxyaspidospermine: Density functional theory calculations of the structural, electronic, and non-linear optic and spectroscopic properties
(SAGE Publications Ltd, 2019)(+)-Demethoxyaspidospermine was synthesized via the acylation of aspidospermidine with acetic anhydride, and the structure was determined by elemental analysis and Fourier-transform infrared and nuclear magnetic resonance ... -
A NEW REAGENT FOR EFFICIENT SYNTHESIS OF NITRILES FROM ALDOXIMES USING METHOXYMETHYL BROMIDE
(Editura Acad Romane, 2019)This study outlines an efficient, high-yielding, and rapid method by which to access diverse nitriles from aldoximes with methoxymethyl bromide (MOM-Br) in THF. It represents the first application of MOM-Br as a deoximation ... -
Structural architectures and biological properties of main group bismuth(III) iodide complexes with heterocyclic thioamides
(Elsevier S.A., 2019)A series of mononuclear, dinuclear and polynuclear bismuth(III) iodide complexes (1–5) bearing heterocyclic thioamide ligands, 2-mercapto-3,4,5,6-tetrahydro-pyrimidine (tHPMT), 2-mercapto-benzimidazole (MBZIM), ... -
Amperometric Biosensors for Tyramine Determination Based on Graphene Oxide and Polyvinylferrocene Modified Screen-printed Electrodes
(Wiley-VCH Verlag, 2019)A comparison of the analytical characteristics of two tyramine biosensors, based on graphene oxide (GRO) and polyvinylferrocene (PVF) modified screen-printed carbon electrodes (SPCE), is reported. Diamine oxidase (DAOx) ... -
Generic hybridity in Hanya Yanagihara's A Little Life
(Routledge, 2022)This article explores the use of contrasting features from diverse literary genres in Hanya Yanagihara’s second novel A Little Life, published in 2015 and shortlisted for the Man Booker Prize. These contrasting features ... -
Growth and Characterization of Stoichiometric Cu2ZnSnS4 Crystal Using Vertical Bridgman Technique
(John Wiley and Sons Inc, 2022)Stoichiometric Cu2ZnSnS4 (CZTS) single phase crystals are successfully grown in a single-zone vertical furnace by Bridgman technique. X-ray diffraction (XRD) and Raman spectroscopy measurements are employed to investigate ... -
The effect of Zn concentration on the structural and optical properties of Cd1-xZnxS nanostructured thin films
(Springer, 2021)The structural and optical properties of electrodeposited Cd1-xZnxS nanostructured thin films were investigated in the present paper for compositions of x = 0, 0.03, 0.06 and 0.09. X-ray diffraction patterns of the deposited ... -
Temperature-dependent optical characteristics of sputtered NiO thin films
(Springer Science and Business Media Deutschland GmbH, 2022)In this work, nickel oxide thin films were deposited by radio frequency magnetron sputtering technique. X-ray diffraction (XRD), scanning electron microscopy and energy-dispersive X-ray analysis methods were applied to ... -
Sol-gel derived ZnO:Sn thin films and fabrication of n-ZnO:Sn/p-Si heterostructure
(Elsevier B.V., 2021)In this work ZnO:Sn thin films were deposited onto glass and p-Si substrates by spin coating of prepared sols which contains different amounts of Zn(CH3COO)2·2H2O and SnCl2 (0, 5, 10 and 15%). Physical properties of ZnO ... -
Illumination and voltage effects on the forward and reverse bias current-voltage (I-V) characteristics in In/In2S3/p-Si photodiodes
(Springer, 2021)The illumination and voltage effects on the I-V measurements of the fabricated In/In2S3/p-Si photodiode were investigated in dark and under various illumination intensities (20–100 mW/cm2) between ± 2 V. Two linear regions ... -
Optical and structural characteristics of electrodeposited Cd 1-xZnxS nanostructured thin films
(Elsevier B.V., 2021)The structural and optical characteristics of Cd1-xZnxS (CdZnS) thin films grown by the electrodeposition method were investigated in the present paper. The crystalline structure of the grown CdZnS thin film was determined ... -
Quantitative phase imaging of thin film surface
(Polska Akademia Nauk, 2021)In this study, the white light diffraction phase microscopy and the generalized Morse wavelet are proposed to achieve practical and precise measurement of a thin film surface. The white light diffraction phase microscopy ... -
Structural and temperature-tuned bandgap characteristics of thermally evaporated beta-In2S3 thin films
(Springer, 2021)In2S3 is one of the attractive compounds taking remarkable interest in optoelectronic device applications. The present study reports the structural and optical characteristics of thermally evaporated beta-In2S3 thin films. ... -
Characterization of Cu-rich and Zn-poor Cu2ZnSnS4 single crystal grown by vertical Bridgman technique
(Elsevier B.V., 2021)To date, although a number of studies have focused on understanding the fundamental properties of Cu-poor/Zn-rich Cu2ZnSnS4 (CZTS) single crystals, little attention has been paid to investigate the physical properties of ... -
Temperature-tuned band gap properties of MoS2 thin films
(Elsevier B.V., 2020)MoS2 is one of the fascinating members of transition metal dichalcogenides and has attracted great attention due to its various optoelectronic device applications and its characteristic as two-dimensional material. The ... -
A Study on Tetragonal-star like Shaped Inverted Pyramid Texturing
(Institute of Electrical and Electronics Engineers Inc., 2021)Surface texturing is one of the key process steps in solar cell fabrication. For an ideal surface texturing, surface recombination should be kept as low as possible while the light trapping property is improved. The formation ... -
Vibrational modes in ( TlGaS2)x‒(TlGaSe2)1−x mixed crystals by Raman measurements: compositional dependence of the mode frequencies and line‑shapes
(Springer, 2020)TlGaS2 and TlGaSe2 ternary semiconducting compounds have been of scientific interest due to their large ultrafast optical nonlinearity characteristics. These remarkable properties make them promising semiconducting materials ... -
Temperature-dependent material characterization of CuZnSe2 thin films
(Elsevier B.V., 2020)In the present work, CuZnSe2 (CZSe) thin films were co-deposited by magnetron sputtering of ZnSe and Cu targets. The structural analyses resulted in the stoichiometric elemental composition and polycrystalline nature without ... -
Material and Si-based diode analyses of sputtered ZnTe thin films
(Springer, 2020)Structural, optical, and electrical properties ZnTe thin films grown by magnetron sputtering technique were studied by X-ray diffraction, atomic force microscopy, Raman spectroscopy, and electrical conductivity measurements. ... -
Temperature dependent band gap in SnS2xSe(2-2x) (x = 0.5) thin films
(Elsevier Ltd, 2020)Structural and optical properties of SnS2xSe(2-2x) thin films grown by magnetron sputtering method were investigated for composition of x = 0.5 (SnSSe) in the present study. X-ray diffraction, energy dispersive X-ray ...
