Yazar "AGÜ, Mühendislik Fakültesi, Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü" için Scopus İndeksli Yayınlar Koleksiyonu listeleme
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The angular electronic band structure and free particle model of aromatic molecules: High-frequency photon-induced ring current
Oncan, Mehmet; Koc, Fatih; Sahin, Mehmet; Koksal, Koray (WORLD SCIENTIFIC PUBL CO PTE LTD5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE, 2017)This work introduces an analysis of the relationship of first-principles calculations based on DFT method with the results of free particle model for ring-shaped aromatic molecules. However, the main aim of the study is ... -
Anhydrous proton conducting poly(vinyl alcohol) (PVA)/ poly(2-acrylamido-2-methylpropane sulfonic acid) (PAMPS)/1,2,4-triazole composite membrane
Erkartal, Mustafa; Aslan, Ayse; Erkilic, Ufuk; Dadi, Seyma; Yazaydin, Ozgur; Usta, Hakan; Sen, Unal (Elsevier Ltd, 2016)The design and fabrication of anhydrous proton exchange membranes are critically important for high temperature proton exchange membrane fuel cell (HT-PEMFC) operating between 100 and 200 °C. Herein, we demonstrate a novel ... -
Antibacterial type-II InP/ZnO quantum dots via multimodal reactive oxygen species
Khan, Saad Ullah; Eren, Guncem Ozgun; Atac, Nazli; Onal, Asim; Qureshi, Mohammad Haroon; Cooper, Francis Korshe; Almammadov, Toghru; Kolemen, Safacan; Sahin, Mehmet; Can, Fusun; Nizamoglu, Sedat (ELSEVIER SCIENCE SA, 2024)The emergence of multidrug-resistant bacteria as a global health threat has necessitated the exploration of alternative treatments to combat bacterial infections. Among these, photocatalytic nanomaterials such as quantum ... -
Arrays of multi-color emitting cesium lead halide perovskite nanocrystals and efficient white light generation by tailored anion exchange reactions and electrohydrodynamic jet printing
Altintas, Yemliha; Torun, Ilker; Yazici, Ahmet Faruk; Beskazak, Emre; Onses, M. Serdar; Mutlugun, Evren (Optica Publishing Group (formerly OSA), 2018)We employ highly efficient and narrow band emitter Cesium-lead-halide perovskite nanocrystals, optimized by the anion exchange method, for efficient white light generation by patterning multiple lines of different colors ... -
Assessment of Böhme Abrasion Value of Natural Stones through Artificial Neural Networks (ANN)
Strzalkowski, Pawel; Köken, Ekin (MDPI, 2022)This present study explored the Böhme abrasion value (BAV) of natural stones through artificial neural networks (ANNs). For this purpose, a detailed literature survey was conducted to collect quantitative data on the BAV ... -
Assessment of Deformation Properties of Coal Measure Sandstones Through Regression Analyses and Artificial Neural Networks
Köken, Ekin (Polska Akademia Nauk, 2021)The deformation properties of rocks play a crucial role in handling most geomechanical problems. However, the determination of these properties in laboratory is costly and necessitates special equipment. Therefore, many ... -
ASSESSMENT OF LOS ANGELES ABRASION VALUE (LAAV) AND MAGNESIUM SULPHATE SOUNDNESS (Mwl) OF ROCK AGGREGATES USING GENE EXPRESSION PROGRAMMING AND ARTIFICIAL NEURAL NETWORKS
Koken, Ekin (POLSKA AKAD NAUK, POLISH ACAD SCIENCES, 2022)It has been acknowledged that two important rock aggregate properties are the Los Angeles abrasion value (LAAV) and magnesium sulphate soundness (Mwl). However, the determination of these properties is relatively challenging ... -
Assessment of Rock Aggregate Quality Through Fuzzy Inference System
Koken, Ekin; Baspinar Tuncay, Ebru (SPRINGER, 2022)In this study, Fuzzy Inference System (FIS) was adopted to evaluate the rock aggregate quality. For this purpose, some technical standards for coarse aggregates were integrated into the FIS analyses as threshold values. ... -
Assessment of Rock Aggregate Quality Through the Analytic Hierarchy Process (AHP)
Koken, Ekin; Top, Soner; Ozarslan, Ahmet (SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2020)The present study aimed to assess rock aggregate quality through the Analytic Hierarchy Process (AHP). In the context of the AHP analyses, four rock types (i.e., andesite, basalt, granodiorite, and gabbro), five evaluation ... -
Atomic structure of amorphous CdO from first principles simulations
Durandurdu, Murat (ELSEVIER, 2015)Amorphous CdO (a-CdO) is obtained by cooling the liquid at a sufficiently fast cooling rate using first-principles simulations. The topology of the amorphous model is examined using a variety of analyzing techniques. The ... -
Atomically precise gold nanoclusters at the molecular-to-metallic transition with intrinsic chirality from surface layers
Liu, Li-Juan; Alkan, Fahri; Zhuang, Shengli; Liu, Dongyi; Nawaz, Tehseen; Guo, Jun; Luo, Xiaozhou; He, Jian (NATURE PORTFOLIO, 2023)Chiral metal nanoclusters prepared from achiral ligands generally contain chiral kernel structures. Here, the authors report an alternative type of gold nanoclusters whose intrinsic chirality arises solely from the arrangement ... -
BODIPY-Based Semiconducting Materials for Organic Bulk Heterojunction Photovoltaics and Thin-Film Transistors
Ho, Dongil; Ozdemir, Resul; Kim, Hyungsug; Earmme, Taeshik; Usta, Hakan; Kim, Choongik (WILEY-V C H VERLAG GMBH, POSTFACH 101161, 69451 WEINHEIM, GERMANY, 2019)The rapid emergence of organic (opto)electronics as a promising alternative to conventional (opto)electronics has been achieved through the design and development of novel pi-conjugated systems. Among various semiconducting ... -
Bond energies of ThO+ and ThC+: A guided ion beam and quantum chemical investigation of the reactions of thorium cation with O-2 and CO
Cox, Richard M.; Citir, Murat; Armentrout, P. B.; Battey, Samuel R. (AMER INST PHYSICS1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501, 2016)Kinetic energy dependent reactions of Th+ with O-2 and CO are studied using a guided ion beam tandem mass spectrometer. The formation of ThO+ in the reaction of Th+ with O-2 is observed to be exothermic and barrierless ... -
Boosting the Ceramics with In Situ MOF- Derived Nanocarbons
Duden, Enes Ibrahim; Bayrak, Kubra Gurcan; Balkan, Mert; Cakan, Niyaz; Demiroglu, Arsen; Ayas, Erhan; Caglar, Mujdat; Turan, Servet; Islamoglu, Timur; Farha, Omar K; Erkartal, Mustafa; Şen, Ünal (AMER CHEMICAL SOC, 2023)Metal-organic framework (MOF)-derived nano-carbons have emerged as promising materials for energy and environmental applications owing to their high surface area, structural and chemical tunability, and hierarchical porosity. ... -
Bor Zengini Amorf Malzemeler
Durandurdu, Murat (TUBİTAK, 2020)Bu TÜBİTAK 1001 projesi kapsamında, bor zengini farklı amorf malzemeler [B1-xSix, B1-xCx, B1- xOx, ve B1-xLix (0, 5 ≥ � ≥ 0,05)] ab initio moleküler dinamik tekniği kullanılarak sıvı hallerin hızlıca soğutulması sonucu ... -
Boron-rich amorphous boron oxides from ab initio simulations
Karacaoglan-Çetin , Aysegul Ozlem; Durandurdu, Murat (ELSEVIER, 2023)Amorphous boron oxide (BxO1-x, 0.5 ≤ x ≤ 95) configurations are simulated by means of an ab initio molecular dynamics technique and their microstructure and mechanical properties are revealed in details. With increasing B ... -
Boronic Acid Moiety as Functional Defect in UiO-66 and Its Effect on Hydrogen Uptake Capacity and Selective CO2 Adsorption: A Comparative Study
Erkartal, Mustafa; Sen, Unal (AMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2018)Herein, we use linker fragmentation approach to introduce boronic acid moieties as functional defects into Zr-based metal organic frameworks (MOFs, UiO-66). Our findings show that the amount of permanently incorporated ... -
Broadband Low Reflection Surfaces with Silicon Nanopillar Hexagonal Arrays for Energy Harvesting in Photovoltaics
Tut, Turgut (SPRINGER, 2022)In this study, optimization of the silicon nanopillar arrays and thin films coated on silicon substrate has been investigated in order to minimize the optical reflection loss from the silicon substrate surface. Nanopillars’s ... -
Cadmium-Free and Efficient Type-II InP/ZnO/ZnS Quantum Dots and Their Application for LEDs
Eren, Guncem Ozgun; Sadeghi, Sadra; Jalali, Houman Bahmani; Ritter, Maximilian; Han, Mertcan; Baylam, Isinsu; Melikov, Rustamzhon; Onal, Asim; Oz, Fatma; Sahin, Mehmet; Ow-Yang, Cleva W.; Sennaroglu, Alphan; Lechner, Rainer T.; Nizamoglu, Sedat (AMER CHEMICAL SOC1155 16TH ST, NW, WASHINGTON, DC 20036, 2021)It is a generally accepted perspective that type-II nanocrystal quantum dots (QDs) have low quantum yield due to the separation of the electron and hole wavefunctions. Recently, high quantum yield levels were reported for ... -
Cation exchange mediated synthesis of bright Au@ZnTe core-shell nanocrystals
Sadeghi, Sadra; Melikov, Rustamzhon; Sahin, Mehmet; Nizamoglu, Sedat (IOP PUBLISHING LTD, TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND, 08.01.2021)The synthesis of heterostructured core-shell nanocrystals has attracted significant attention due to their wide range of applications in energy, medicine and environment. To further extend the possible nanostructures, ...