Yazar "AGÜ, Mühendislik Fakültesi, Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü" için Mühendislik Fakültesi listeleme
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Green Synthesis of Silver Nanoparticles Using Walnut Shell Powder and Cynara sp. and their Antibacterial Activities
Erdem, İlker; Çakır, Şerife (Hacettepe Üniversitesi, 2022)The silver (Ag) is a well-known material with interesting properties (i.e. catalytic activity, antimicrobial, etc.). The nanosized particles of silver propose enhanced properties due to having relatively higher surface ... -
The ground state properties of two dimensional Fermi gas system confined in a potential composed of harmonic and a Gaussian terms
Gulveren, Berna; Sahin, Mehmet; Atav, Ulfet (ELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2019)In this work, the ground state properties of two dimensional Fermi gas system interacting in a potential con- sisting of harmonic and Gaussian terms are investigated in the frame of Thomas-Fermi approximation. The depth ... -
Guided ion-beam and theoretical studies of the reaction of Os+ (6D) with O2: Adiabatic and nonadiabatic behavior
Hinton, Christopher S.; Citir, Murat; Armentrout P.B. (ELSEVIER, 2013)The kinetic-energy dependence of the Os+ + O2 reaction is examined using guided ion-beam mass spectrometry. The cross section for OsO+ formation from ground state Os+ (6D) is unusual, exhibiting two endothermic features. ... -
Guidelines for Natural Stone Products in Connection with European Standards
Strzalkowski, Pawel; Köken, Ekin; Sousa, Luís (MDPI, 2023)The selection of ornamental stones for specific applications requires technical guidance since it should be based on the durability, service life, and aesthetic value of the stones. In most cases, these fundamentals provide ... -
The Hansen solubility approach towards green solvent processing: n-channel organic field-effect transistors under ambient conditions
Deneme, Ibrahim; Yıldız, Tevhide Ayça; Kayaci, Nilgun; Usta, Hakan (Royal Society of Chemistry, 2024)The adoption of green solvents is of utmost importance for the solution-based fabrication of semiconductor thin films and for the commercialization of (opto)electronic devices, especially in response to evolving regulatory ... -
Hard boron rich boron nitride nanoglasses
Cetin, Aysegul O.; Durandurdu, Murat (WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA, 2018)Boron-rich amorphous boron nitride (BxN1-x, 0.55x0.95) alloys are generated by means of abinitio molecular dynamics simulations and their local structure, mechanical properties and electronic structure are exposed. BN:B ... -
Hexagonal nanosheets in amorphous BN: A first principles study
Durandurdu, Murat (ELSEVIER, 2015)Amorphous boron nitrite is modeled by means of first principles molecular dynamics simulations and found to be almost chemically ordered in a stark contrast to the previous predictions. Its average coordination number is ... -
High Electron Mobility in [1]Benzothieno[3,2-b][1]benzothiophene-Based Field-Effect Transistors: Toward n-Type BTBTs
Usta, Hakan; Kim, Dojeon; Ozdemir, Resul; Zorlu, Yunus; Kim, Sanghyo; Ruiz Delgado, M. Carmen; Harbuzaru, Alexandra; Kim, Seonhyoung; Demirel, Gokhan; Hong, Jongin; Ha, Young-Geun; Cho, Kilwon; Facchetti, Antonio; Kim, Myung-Gil (AMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2019)The first example of an n-type [1]benzothieno[3,2-b][1]benzothiophene (BTBT)-based semiconductor, D-(PhFCO)-BTBT, has been realized via a two-step transition metal-free process without using chromatographic purification. ... -
High pressure modifications in amorphous boron suboxide: An ab initio study
Durandurdu, Murat (ELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND, 2020)Using constant pressure ab initio calculations, we probe the high-pressure modifications in amorphous boron suboxide (B6O) consisting of glassy boron trioxide (B2O3) and boron (B) domains up to a theoretical pressure of ... -
High-density amorphous phase of CdO
Durandurdu, Murat (ELSEVIERRADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2017)An amorphous CdO model is densified up to a theoretical pressure of 200 GPa. A continues phase transformation from a low-density amorphous (LDA) phase to a high-density amorphous (HDA) phase is observed through the simulation. ... -
High-pressure phase transitions of TiN: an ab initio constant pressure study
Durandurdu, Murat (TAYLOR & FRANCIS LTD, 2015)An ab initio constant pressure molecular dynamics technique is carried out to explore the behaviour of rock salt-structured titanium nitride (TiN) under pressure. Two successive phase transformations are successfully ... -
Highly efficient chlorinated solvent uptake by novel covalent organic networks via thiol-ene chemistry
Yavuz, Mustafa Selman; Citir, Murat (SPRINGERONE NEW YORK PLAZA, SUITE 4600 , NEW YORK, NY 10004, UNITED STATES, 2021)In this study, we synthesized an aliphatic-aromatic regular network as a novel covalent organic networks called TEPN-1 (Thiol-ene Polymer Network) and TEPN-2 via thiol-ene chemistry. TEPN-1 and TEPN-2 were analyzed by FTIR, ... -
Highly Efficient Deep-Blue Electroluminescence Based on a Solution-Processable A-pi-D-pi-A Oligo(p-phenyleneethynylene) Small Molecule
Usta, Hakan; Alimli, Dilek; Ozdemir, Resul; Dabak, Salih; Zorlu, Yunus; Alkan, Fahri; Tekin, Emine; Can, Ayse (AMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2019)The development of solution-processable fluorescent small molecules with highly efficient deep-blue electroluminescence is of growing interest for organic light-emitting diode (OLED) applications. However, high-performance ... -
A highly selective whole cell biocatalysis method for the production of two major bioactive conjugated linoleic acid isomers
Khaskheli, Abid Ali; Talpur, Farah N.; (Demir, Ayhan S.; Cebeci, Aysun; Jawaid, Sana (ELSEVIER, 2013)Conjugated linoleic acid (CLA) is well known potential anticarcinogenic, antiatherogenic and a number of other therapeutic qualities bearing substance. In the present study we have isolated Lactobacillus plantarum from ... -
Highly Stable, Near-Unity Efficiency Atomically Flat Semiconductor Nanocrystals of CdSe/ZnS Hetero-Nanoplatelets Enabled by ZnS-Shell Hot-Injection Growth
Altintas, Yemliha; Quliyeva, Ulviyya; Gungor, Kivanc; Erdem, Onur; Kelestemur, Yusuf; Mutlugun, Evren; Kovalenko, Maksym V.; Demir, Hilmi Volkan (WILEY-V C H VERLAG GMBH, POSTFACH 101161, 69451 WEINHEIM, GERMANY, 2019)Colloidal semiconductor nanoplatelets (NPLs) offer important benefits in nanocrystal optoelectronics with their unique excitonic properties. For NPLs, colloidal atomic layer deposition (c-ALD) provides the ability to produce ... -
Highly Transparent Au-Coated Ag Nanowire Transparent Electrode with Reduction in Haze
Kim, Taegeon; Canlier, Ali; Lee, Jung-Yong; Rozyyev, Vepa; Han, Seung Min; Cho, Changsoon (AMER CHEMICAL SOC, 2014)Ag nanowire transparent electrode has excellent transmittance and sheet resistance, yet its optical haze still needs to be improved in order for it to be suitable for display applications. Ag nanowires are known to have ... -
Histopathological and biomechanical evaluation of tenocyte seeded allografts on rat Achilles tendon regeneration
Güngörmüş, Cansın; Aydin, Erkin; Kolankaya, Durdane (ELSEVIER SCI LTD, 2015)Tendon injuries in humans as well as in animals' veterinary medicine are problematic because tendon has poor regenerative capacity and complete regeneration of the ruptured tendon is never achieved. In the last decade ... -
A hybridized local and charge transfer excited state for solution-processed non-doped green electroluminescence based on oligo(p-phenyleneethynylene)
Usta, Hakan; Alimli, Dilek; Ozdemir, Resul; Tekin, Emine; Alkan, Fahri; Kacar, Rifat; Altas, Ahu Galen; Dabak, Salih; Gurek, Ayse Gul; Mutlugun, Evren; Yazici, Ahmet Faruk; Can, Ayse (ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND, 2020)We herein report a new highly efficient green emissive hot-exciton molecule, 1,4-bis((4'-diphenylamino3-cyano-[1,1'-biphenyl]-4-yl)ethynyl)-2,5-bis(2-ethylhexyloxy)benzene (2EHO-TPA-CNPE) that consists of an extended ... -
Hydrogenated amorphous boron nitride: A first principles study
Üçhöyük, Tevhide Ayça; Durandurdu, Murat (Elsevier, 2018)The influence of hydrogenation on the atomic structure and electronic properties of amorphous boron nitride (?-BN) is investigated by using an ab-initio molecular dynamics technique. The structural evaluation of ?-BN and ... -
HYDROMETALLURGICAL PROCESSING OF NICKEL LATERITES- A BRIEF OVERVIEW ON THE USE OF SOLVENT EXTRACTION AND NICKEL/COBALT PROJECT FOR THE SEPARATION AND PURIFICATION OF NICKEL AND COBALT
Kursunoglu, Sait; Kaya, Muammer (TMMOB Maden Mühendisleri Odası/The Publication of the Chamber of Mining Engineer of Turkey, 2019)In this study, a brief overview of the solvent extraction (SX) application for the separationand purification of nickel and cobalt in hydrometallurgical processing of laterite nickel ores ispresented. This paper consists ...