Yazar "AGÜ, Mühendislik Fakültesi, Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü" için Araştırma Çıktıları | TR-Dizin | WoS | Scopus | PubMed listeleme
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Concentration study of a specularite ore via shaking table, reverse flotation, and microwave-assisted magnetic separation
Al-Dhubaibi, Ammar Mahdi Ahmed; Vapur, Hüseyin; Top, Soner; Sivrikaya, Osman (Taylor and Francis Ltd., 2023)Despite the difficulties in pelletizing specularite-type refractory iron ores, the utilization of these resources is indispensable for the steel industry due to the increasing need for iron. This study investigated Fe ... -
Critical review on secondary zinc resources and their recycling technologies
Kaya, Muammer; Hussaini, Shokrullah; Kursunoglu, Sait (ELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2020)In a race to save the earth of its rapidly depleting natural resources, the use of Secondary Raw Materials (SMRs) as alternative replacements in several processes is currently intensively pursued. The valorization of SMRs ... -
Deep-Red-Emitting Colloidal Quantum Well Light-Emitting Diodes Enabled through a Complex Design of Core/Crown/Double Shell Heterostructure
Shabani, Farzan; Dehghanpour Baruj, Hamed; Yurdakul, Iklim; Delikanli, Savas; Gheshlaghi, Negar; Isik, Furkan; Liu, Baiquan; Altintas, Yemliha; Canimkurbey, Betul; Demir, Hilmi Volkan (WILEY-V C H VERLAG GMBHPOSTFACH 101161, 69451 WEINHEIM, GERMANY, 2021)Extending the emission peak wavelength of quasi-2D colloidal quantum wells has been an important quest to fully exploit the potential of these materials, which has not been possible due to the complications arising from ... -
Densification of amorphous boron under pressure
Durandurdu, Murat (ELSEVIERRADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2017)The densification mechanism of amorphous boron under pressure is investigated using a constant pressure ab initio technique and found to be associated with two consecutive amorphous-to-amorphous phase transformations. ... -
The design and fabrication of supramolecular semiconductor nanowires formed by benzothienobenzothiophene (BTBT)-conjugated peptides
Khalily, Mohammad Aref; Usta, Hakan; Ozdemir, Mehmet; Bakan, Gokhan; Dikecoglu, F.Begum; Gayle, Charlotte Edwards; Hutchinson, Jessica A.; Hamley, Ian W.; Dana, Aykutlu; Guler, Mustafa O. (Royal Society of Chemistry, 2018)?-Conjugated small molecules based on a [1]benzothieno[3,2-b]benzothiophene (BTBT) unit are of great research interest in the development of solution-processable semiconducting materials owing to their excellent charge-transport ... -
Design, synthesis, and characterization of alpha,omega-disubstituted indeno[1,2-b]fluorene-6,12-dione-thiophene molecular semiconductors. Enhancement of ambipolar charge transport through synthetic tailoring of alkyl substituents
Ozdemir, Mehmet; Choi, Donghee; Kwon, Guhyun; Zorlu, Yunus; Kim, Hyekyoung; Kim, Myung-Gil; Seo, SungYong; Sen, Unal; Citir, Murat; Kim, Choongik; Usta, Hakan (ROYAL SOC CHEMISTRYTHOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND, 2016)A series of indeno[1,2-b]fluorene-6,12-dione-thiophene derivatives with hydrocarbon substituents at alpha,omega-positions as side groups have been designed and synthesized. The new compounds were fully characterized by ... -
A detailed investigation of electronic and intersubband optical properties of AlxGa(1-x)As/Al0.3Ga0.7As/AlyGa1-yAs/Al0.3Ga0.7As multi-shell quantum dots
Kavruk, Ahmet Emre); Sahin, Mehmet; Atav, Ulfet (IOP Publishing Ltd, 2014)In this study, we have investigated the electronic and intersubband optical properties of Al x Ga1-x As/Al0.3Ga0.7As/Al y Ga1-y As/Al0.3Ga0.7As multi-shell quantum dot heterostructures as a function of the Al doping ... -
A detailed investigation of electronic and optical properties of the exciton, the biexciton and charged excitons in a multi-shell quantum dot nanocrystal
Akturk, Abdurrahman; Sahin, Mehmet; Koc, Fatih; Erdinc, Ahmet (IOP Publishing Ltd, 2014)In the present study, the electronic and optical properties of the exciton (X), the biexciton (XX) and charged excitons (X- and X+) in a multi-shell quantum dot nanocrystal have been systematically explored in detail. The ... -
A detailed investigation of the electronic properties of a multi-layer spherical quantum dot with a parabolic confinement
Akgul, Selcuk; Koksal, Koray; Sahin, Mehmet (ELSEVIER, 2012)In this work, we aim a detailed investigation of the electronic properties of a spherical multi-layer quantum dot with and without a hydrogenic impurity. The structure is introduced in the form of core/ shell/well/shell ... -
Determination of therapeutic effects of multifunctional micelle-based nanocarriers on breast cancer cells
Ulu, G. T.; Bayram, Nurun Nisa; Abdulhadi, N.; Gurdap, Seda; Isoglu, A.; Isoglu, Sevil Dincer; Baran, Yael (ELSEVIERRADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2021)Determination of therapeutic effects of multifunctional micelle-based nanocarriers on breast cancer cells -
Determination of thermodynamic properties of aluminum based binary and ternary alloys
Altintas, Yemliha; Sezen Aksöz; Keslioglu, Kazim; Necmettin, Maraşlı (ELSEVIER, 2015)In the present work, the Gibbs-Thomson coefficient, solid-liquid and solid-solid interfacial energies and grain boundary energy of a solid Al solution in the Al-Cu-Si eutectic system were determined from the observed grain ... -
Development of highly transparent Pd-coated Ag nanowire electrode for display and catalysis applications
Canlier, Ali; Ucak, Umit Volkan; Usta, Hakan; Cho, Changsoon; Lee, Jung-Yong; Sen, Unal; Citir, Murat (ELSEVIER, 2015)Ag nanowire transparent electrode has excellent transmittance (90%) and sheet resistance (20 Omega/sq), yet there are slight drawbacks such as optical haze and chemical instability against aerial oxidation. Chemical stability ... -
Dicarboxylic Acids Induced Tandem Transformation of Silver Nanocluster
Wang, Zhi; Gupta, Rakesh Kumar; Alkan, Fahri; Han, Bao-Liang; Feng, Lei; Huang, Xian-Qiang; Gao, Zhi-Yong; Tung, Chen-Ho; Sun, Di (AMER CHEMICAL SOC, 2023)Structural transformation of metal nanoclusters (NCs) is of great ongoing interest regarding their synthesis, stability, and reactivity. Although sporadic examples of cluster transformations have been reported, neither ... -
The different impacts of g-C3N4 nanosheets on PVDF and PSF ultrafiltration membranes for Remazol black 5 dye rejection
Senol-Arslan, Dilek; Gul, Ayse; Dizge, Nadir; Ocakoglu, Kasim; Uzal, Nigmet (WILEY, 2023)Membranes combined with nanoparticles are an excellent combination capable of successfully removing various contaminants, such as dyes from wastewater while using very little energy and decreasing pollution. The present ... -
Diffuse-layer surface potentials of colemanites mined in Turkey
Arslan-Şenol, Dilek; Drelich, Jaroslaw W (OFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJWYBRZEZE WYSPIANSKIEGO 27, 50-370 WROCLAW, POLAND, 2022)Colemanite crystal specimens were handpicked at Kestelek, Emet (Hisarcik, Espey), Bigadic mines in Turkey for characterization of their composition and surface potential. X-ray diffraction analysis revealed no differences ... -
Dissolution of lateritic nickel ore using ascorbic acid as synergistic reagent in sulphuric acid solution
Kursunoglu, Sait; Ichlas, Zela Tanlega; Kaya, Muammer (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2018)The dissolution of nickel and cobalt from Caldag lateritic nickel ore using the combination of sulphuric and ascorbic acids was investigated. The use of other organic acids, namely citric, maleic and stearic acids, as ... -
DISSOLUTION OF MIXED ZINC-CARBON AND ALKALINE BATTERY POWDERS IN SULPHURIC ACID USING ASCORBIC/OXALIC ACID AS A REDUCTANT
Kaya, Muammer; Kursunoglu, Sait (JOHN WILEY & SONS, 2012)The aim of this study was to investigate the effectiveness of ascorbic (C6H8O6) / oxalic (C2H2O4) acid as a reductant for the simultaneous recovery of zinc and manganese from a spent and mixed zinc-carbon and alkaline ... -
A distinctive determination of circular nozzles in downcomer for column flotation
Vapur, Hüseyin; Top, Soner; Altiner, Mahmut (Taylor and Francis Ltd., 2023)This study aims to recover clean coal from valuable hard coal tailings (HCT), which have been used as solid fuels in a thermal power plant, through convenient conditions. The effective diameters of circular nozzles on the ... -
A dopant-free 2,7-dioctyl[1]benzothieno[3,2-b][1]benzothiophene (C8-BTBT)-based hole transporting layer for highly stable perovskite solar cells with efficiency over 22%
Kaya, Ismail Cihan; Ozdemir, Resul; Usta, Hakan; Sonmezoglu, Savas (ROYAL SOC CHEMISTRY, 2022)In this study, for the first time, n-i-p PSCs were fabricated using dopant-free 2,7-dioctyl[1]benzothieno[3,2-b][1]benzothiophene (C8-BTBT) as the solution-processed hole transporting layer (HTL). The power conversion ... -
Double Quantum Ring under an Intense Nonresonant Laser Field: Zeeman and Spin-Orbit Interaction Effects
Mora-Ramos, Miguel E.; Vinasco, Juan A.; Radu, Adrian; Restrepo, Ricardo L.; Morales, Alvaro L.; Sahin, Mehmet; Mommadi, Omar; Sierra-Ortega, Jose; Escorcia-Salas, Gene Elizabeth; Heyn, Christian; Duque, Derfrey A.; Duque, Carlos A. (MDPI, 2023)We theoretically investigate the properties of an electron energy spectrum in a double GaAs-Al0.3Ga0.7As quantum ring by using the effective mass and adiabatic approximations, together with a realistic description of the ...