Výsledky vyhledávání - "Fatma Z. Tepehan"

Enhanced lithium electrochemical performance and optical properties of CeO2–SnO2 nanocomposite thin films by transition metal (TM: Ni, Mn, and Co) doping

Autor: Farhad E. Ghodsi, Fatma Z. Tepehan, G.G. Tepehan, J. Mazloom, I. Turhan

Publikováno v: Journal of Sol-Gel Science and Technology. 86:51-62

Undoped and transition metal (TM: Ni, Mn, Co)-doped CeO2–SnO2 nanocomposite thin films were prepared by sol-gel dip coating (SGDC) technique. The grazing incidence X-ray diffraction (GIXRD) patterns indicated that CeO2–SnO2 film has a cubic struc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::46e3aec54e4bd5b424dfff19b5d4997f
https://doi.org/10.1007/s10971-018-4603-4

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Growth of MPS-capped ZnS quantum dots in self-assembled thin films: Influence of heat treatment

Autor: Fatma Z. Tepehan, G.G. Tepehan, Kenan Koc

Publikováno v: Superlattices and Microstructures. 88:527-535

The colloidal ZnS quantum dots (QDs) were prepared using 3-mercaptopropyltrimethoxysilane (MPS) molecules. Sol–gel spin coating method was used to deposit the colloidal nanoparticles on a glass substrate. Several features of the MPS were made use t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::059b79cd3e84d917af10d21f17ebd32b
https://doi.org/10.1016/j.spmi.2015.10.012

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Electrochromic performance of sol–gel derived amorphous MnO 2 –ZnO nanogranular composite thin films

Autor: Fatma Z. Tepehan, Farhad E. Ghodsi, S.S. Falahatgar, G.G. Tepehan, S. Pishdadian, I. Turhan

Publikováno v: Journal of Non-Crystalline Solids. 427:1-9

In this work, the MnO2–ZnO thin films with nominal molar ratios of 8%, 16% and 25% of Zn to Mn were deposited on glass and Indium Tin Oxide (ITO) substrates by dip-coating sol–gel method and annealed in air at 300 °C. The films were characterize

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6d298965bf4f7beeaa476cd2e650cc44
https://doi.org/10.1016/j.jnoncrysol.2015.07.022

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Structural, optical and electrochromic properties of tantalum pentoxide-doped niobium pentoxide thin films

Autor: G.G. Tepehan, Esat Pehlivan, Fatma Z. Tepehan, Kenan Koc

Publikováno v: Journal of Sol-Gel Science and Technology. 77:172-178

Optical, structural and electrochromic properties of tantalum pentoxide-doped niobium pentoxide films prepared by sol–gel spin-coating method were studied. Niobium pentoxide sol was doped with tantalum pentoxide sol at 3, 6, 9, 12 and 15 vol% ratio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8e085c68e1799206f8dc428f1b4924f7
https://doi.org/10.1007/s10971-015-3841-y

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Controlling the growth of particle size and size distribution of silica nanoparticles by the thin film structure

Autor: Bengü Özuğur Uysal, Fatma Z. Tepehan

Publikováno v: Journal of Sol-Gel Science and Technology. 63:177-186

Nanostructured silicondioxide thin films were prepared by sol-gel spin coating technique. The SiO2 films were made using a conventional mixture of tetraethoxysilane (TEOS) deionized water and ethanol with various NH3/TEOS ratios. The nanostructured s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f1d64976850696cf910e64f3a4927d63
https://doi.org/10.1007/s10971-012-2783-x

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Preparation and Characterization of Self-Assembled Thin Film of MPS-Capped ZnS Quantum Dots for Optical Applications

Autor: G.G. Tepehan, Kenan Koc, Fatma Z. Tepehan

Publikováno v: Journal of Nanomaterials, Vol 2012 (2012)

For this study, we prepared colloidal ZnS quantum dots using 3-mercaptopropyltrimethoxysilane (MPS) as the capping agent. Colloidal ZnS quantum dots were directly deposited on glass substrates by a spin coating process. Therefore, self-assembled film

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::759aa3428de8128ea3101c1e42fcfd76
https://doi.org/10.1155/2012/571315

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Influence of heat treatment on the particle size of nanobrookite TiO2 thin films produced by sol–gel method

Autor: Ümit Özlem Akkaya Arıer, Fatma Z. Tepehan

Publikováno v: Surface and Coatings Technology. 206:37-42

Pure nanobrookite titania (TiO 2 ) thin films were deposited on glass substrates by the spin-coating method using titanium butoxide and acetic acid. The particle sizes of TiO 2 films were controlled by heat treatment temperatures. The activation ener

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::34d53fc721543b6045423d34b2379142
https://doi.org/10.1016/j.surfcoat.2011.06.039

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Controlling the particle size of nanobrookite TiO2 thin films

Autor: Fatma Z. Tepehan, Ümit Özlem Akkaya Arıer

Publikováno v: Journal of Alloys and Compounds. 509:8262-8267

In this study, pure nanobrookite TiO2 thin films were successfully deposited on glass substrates with the spin-coating method using titanium butoxide and acetic acid. The particle size of TiO2 films was controlled by the water:AcAc volume ratio. This

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe3371ca618f32ebd1320364cc3263d2
https://doi.org/10.1016/j.jallcom.2011.05.112

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Derivation of the optical constants of spin coated CeO2–TiO2–ZrO2 thin films prepared by sol–gel route

Autor: Farhad E. Ghodsi, Fatma Z. Tepehan, G.G. Tepehan

Publikováno v: Journal of Physics and Chemistry of Solids. 72:761-767

Ternary thin films of cerium titanium zirconium mixed oxide were prepared by the sol-gel process and deposited by a spin coating technique at different spin speeds (1000-4000 rpm). Ceric ammonium nitrate ce(NO3)(6)(NH4)(2) titanium butoxide Ti[O(CH2)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4fb6a5e38c1ad5a176e32058f7392f6f
https://doi.org/10.1016/j.jpcs.2011.03.009

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