Yazar "Oylumluoğlu, Görkem" için listeleme
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2-and 1-D coordination polymers of Dy(III) and Ho(III) with near infrared and visible luminescence by efficient charge-transfer antenna ligand
Oylumluoğlu, Görkem; Çoban, Mustafa Burak; Koçak, Çağdaş; Aygün, Muhittin; Kara, Hülya (Elsevier Science Bv, 2017)Two new lanthanide-based coordination complexes, [Dy(2-stp).2(H2O)]n (1) and {[Ho(2-stp).3(H2O)]center dot(H2O)}(n) (2) [2-stp = 2-sulfoterephthalic acid] were synthesized by hydrothermal reaction and characterized by ... -
4,4- bipiridin ve 2-amino-1,4-benzendikarboksilik asit tabanlı yeni bileşiğin sentezlenmesi ve hidrojen bağlı 3D polimerik yapısı
Oylumluoğlu, Görkem (2018)Yeni bileşik, [NH2-BDC][4,4-bpy], (NH2-BDC = 2-amino-1,4-benzen dikarboksilik asit, 4,4-bipy = 4,4-bipiridin) sentezlendi ve tek kristal X-ışını kırınım metodu ile karakterize edildi. Kristalin yapısal analizi bileşiğin ... -
Crystal structure and photoluminescence properties of a new monomeric copper(II) complex: bis(3-{[(3-hydroxypropyl) imino] methyl}-4-nitro-phenolato-kappa O-3, N, O ') copper(II)
Koçak, Çağdaş; Oylumluoğlu, Görkem; Dönmez, Adem; Çoban, M. Burak; Erkarslan, Uğur; Aygün, Muhittin; Kara, Hülya (Int Union Crystallography, 2017)Copper(II)-Schiff base complexes have attracted extensive interest due to their structural, electronic, magnetic and luminescence properties. The title novel monomeric Cu II complex, [Cu(C10H11N2O4)(2)], has been synthesized ... -
Cyanide-bridged trinuclear Mn-III-Fe-III assembly: Crystal structure, magnetic and photoluminescence behavior
Erkarslan, Uğur; Oylumluoğlu, Görkem; Çoban, M. Burak; Özturk, Esra; Kara, Hülya (Elsevier Science Sa, 2016)A trinuclear cyanide-bridged Mn-III-Fe-III compound, [NEt4][Mn(3,5-ClL)(2)(MeOH)](2)Fe(CN)(6)], [3,5-ClLH2 = N, N'-bis(3,5-chlorosalicylidenato)-1,2-diamino propane)], 1, has been characterized by X-ray analyses, magnetic ... -
Electrospun modified PAN-porphyrin nanofiber electrode for caffeine detection
Güzel, Umut; Tepeli-Büyüksünetci, Yudum; Haklı, Özgül; Oylumluoğlu, Görkem; Anık, Ülkü (Elsevier Ltd, 2023)In this work, caffeine sensitive electrospun polyacrylonitrile-(5,10,15,20-tetra(4-tert butylphenyl)-porphyrin)/carbon felt electrode (PAN-Por/CFE) nanofiber (NF) electrochemical sensor was fabricated. In this manner, this ... -
Enhanced Device Efficiency and Long-Term Stability via Boronic Acid-Based Self-Assembled Monolayer Modification of Indium Tin Oxide in a Planar Perovskite Solar Cell
Kara, Duygu Akın; Kara, Koray; Oylumluoğlu, Görkem; Yiğit, Mesude Zeliha; Can, Mustafa; Kim, Jae Joon; Kuş, Mahmut (Amer Chemical Soc, 2018)Interfacial engineering is essential for the development of highly efficient and stable solar cells through minimizing energetic losses at interfaces. Self-assembled monolayers (SAMs) have been shown as a handle to tune ... -
Ferromagnetic interactions in new double end-on-azide-bridged dinuclear Ni(II) complex: Synthesis, crystal structures, magnetic and photoluminescence properties
Dönmez, Adem; Oylumluoğlu, Görkem; Çoban, M. Burak; Kocak, Çağdaş; Aygün, Muhittin; Kara, Hülya (Elsevier Science Bv, 2017)A new double end-on azide-bridged dinuclear nickel(II) Schiff base complex, [Ni-2(mu(1,1)-N-3)(2)(HL)(2)(MeOH)(2)], [HL = 2-[(2-hydroxypropylimino)methyl)-3,5-chlorophenoll has been synthesized and characterized by elemental ... -
Hydrothermal synthesis, crystal structure and Photoluminescent properties; 3D Holmium(III) coordination polymer
Çoban, M. Burak; Erkarslan, Uğur; Oylumluoğlu, Görkem; Aygün, Muhittin; Kara, Hülya (Elsevier Science Sa, 2016)A new coordination polymer, {[Ho(2-stp)(2)(H2O)(2)]center dot 2(4,4'-bipy)(1/2)center dot 5(H2O)}(n), 1, (2-stp = 2-sulfoterephthalate anion and 4,4'-bipy = 4,4'-bipyridine) has been synthesized by hydrothermal method and ... -
Improved photoluminescence properties of one-dimensional (1D) composite fibers of Ho@PVP and Yb@PVP prepared by electrospinning
Kuru, Fatma; Çoban, Mustafa Burak; Erkarslan, Uğur; Dönmez, Adem; Oylumluoğlu, Görkem; Aygün, Muhittin; Kara, Hülya (PERGAMON-ELSEVIER SCIENCE LTD, 2023)Two new Holmium3+ and Ytterbium3+ compounds, {Ho(4cba)3(phen)(H2O)} (1) and {Yb(4cba)3(phen)} (2) (4cba = 4-Cyanobenzoic acid, phen = 1,10-Phenanthroline) were synthesized. These compounds were then incorporated into a ... -
Investigation of heat capacities of proteins by statistical mechanical methods
Oylumluoğlu, Görkem; Büyükkılıç, Fevzi; Demirhan, Doğan (Elsevier Science Bv, 2007)In this study additional heat capacity of the proteins in water dissociation have been investigated by statistical mechanical methods. For this purpose, taking electric field E and total dipole moment M as thermodynamical ... -
Microscopic theory of the activated behavior of the quantized Hall effect
Şakiroğlu, S.; Erkarslan, Uğur; Oylumluoğlu, Görkem; Siddiki, Afif; Sökmen, I. (Elsevier Science Bv, 2010)The thermally activated behavior of the gate defined narrow Hall bars is studied by analyzing the existence of the incompressible strips within a Hartree-type approximation. We perform self-consistent calculations considering ... -
Photoluminescence Properties of a New Sm(III) Complex/PMMA Electrospun Composite Fibers
Kara Subaşat, Hülya; Oylumluoğlu, Görkem; Coban, Mustafa Burak (Springer/Plenum Publishers, 2020)In this paper, a Sm(III) cluster-based 2D coordination polymer {[Sm(2-stp)center dot 3(H2O)]center dot(H2O)}(n), (where 2-stp = 2-sulfoterephthalate),1has been synthesized hydrothermally and doped into poly(methyl methacrylate ... -
Synthesis, characterization and photoluminescence studies of new Cu(II) complex
Dönmez, Adem; Çoban, M. Burak; Koçak, Çağdaş; Oylumluoğlu, Görkem; Baisch, Ulrich; Kara, Hülya (Taylor & Francis Ltd, 2017)In the current work, a new coordination complex, [Cu(HL)(2)], 1 [H2L = 2-((E)-(2-hydroxypropylimino) methyl)-4-nitrophenol] was successfully synthesized and characterized by IR, UV-vis and photoluminescence spectroscopic ... -
Temperature dependent symmetry to asymmetry transition in wide quantum wells
Oylumluoğlu, Görkem; Mirioğlu, S.; Aksu, S.; Erkaslan, Uğur; Siddiki, Afif (Elsevier, 2015)Quasi-two dimensional electron systems exhibit peculiar transport effects depending on their density profiles and temperature. A usual two dimensional electron system is assumed to have a 6 like density distribution along ... -
The visibility of IQHE at sharp edges: experimental proposals based on interactions and edge electrostatics
Erkarslan, Uğur; Oylumluoğlu, Görkem; Grayson, M.; Siddiki, Afif (Iop Publishing Ltd, 2012)The influence of the incompressible strips on the integer quantized Hall effect (IQHE) is investigated, considering a cleaved-edge overgrown (CEO) sample as an experimentally realizable sharp edge system. We propose a set ...