Yazar "AGÜ, Mühendislik Fakültesi, Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü" için Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü Koleksiyonu listeleme
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Permanent densification of amorphous zinc oxide under pressure: A first principles study
Tahaoglu, Duygu; Durandurdu, Murat (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2018)Ab initio simulations within a generalized gradient approximation are carried out to investigate the densification mechanism of amorphous zinc oxide (a-ZnO) under hydrostatic pressure. In contrast to the crystalline ZnO, ... -
pH- and temperature-responsive amphiphilic diblock copolymers of 4-vinylpyridine and oligoethyleneglycol methacrylate synthesized by RAFT polymerization
Topuzogullari, Murat; Bulmus, Volga; Dalgakiran, Eray; Dincer, Sevil (ELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND, 2014)Diblock copolymers of 4-vinylpyridine (4VP) and oligoethyleneglycol methyl ether methacrylate (OEGMA) were synthesized for the first time using RAFT polymerization technique as potential drug delivery systems. Effects of ... -
Phase transition of ZrN under pressure
Durandurdu, Murat (TAYLOR & FRANCIS LTD, 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2019)A first principles constant pressure approach is carried out to probe the high-pressure behaviour of the rocksalt (RS) structured zirconium nitride (ZrN). The existence of first order reconstructive phase transition from ... -
The photoionization cross section of a hydrogenic impurity in a multi-layered spherical quantum dot
Sahin, Mehmet; Tek, Firdes; Erdinc, Ahmet (AIP Publishing1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501, 2012)In this study, we have investigated the photoionization cross section of an on-center hydrogenic impurity in a multi-layered spherical quantum dot. The electronic energy levels and their wave functions have been determined ... -
Photophysical properties of self-assembled supramolecular peptide nanofiber organic semiconductors
Khalily, Mohammad Aref; Usta, Hakan; Guler, Mustafa O. (AMER CHEMICAL SOC, 2015)..... -
Photosensing Properties of Pentacene OFETs Based on a Novel PMMA Copolymer Gate Dielectric
Loffredo, Fausta; GRIMALDI, IMMACOLATAANGELICA; Miscioscia, Riccardo; Nenna, Giuseppe; Villani, Fulvia; Minarini, Carla; Petrosino, Mario; Rubino, Alfredo; Usta, Hakan; Facchetti, Antonio (IEEE, 2015)In the present work, bottom-gate top-contact organic field effect transistors (OFETs) were fabricated by evaporating a pentacene semiconductor film on top of a new insulating poly(methyl methacrylate) (PMMA) copolymer ... -
pi-Conjugated donor-acceptor small molecule thin-films on gold electrodes for reducing the metal work-function
Azum, Naved; Taib, Layla Ahmad; Al Angari, Yasser Mohammed; Asiri, Abdullah M.; Denti, Mitchel; Zhao, Wei; Usta, Hakan; Facchetti, Antonio (ELSEVIER SCIENCE SAPO BOX 564, 1001 LAUSANNE, SWITZERLAND, 2016)This paper reports the design, facile synthesis and purification of four pi-conjugated donor-acceptor small molecules comprising heteroaromatic units, DA-1-DA-4, for surface and electronic structure modification of gold ... -
Plasmon Enhanced Emission of Perovskite Quantum Dot Films
Dadi, Seyma; Altintas, Yemliha; Beskazak, Emre; Mutlugun, Evren (CAMBRIDGE UNIV PRESS, 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2473 USA, 2018)We propose and demonstrate the photoluminescence enhancement of CsPbBr3 perovskite quantum dot films in the presence of Au nanoparticles. Embedded into a polymer matrix, Au nanoparticle-quantum dot film assemble prepared ... -
Poly(lauryl methacrylate)-Grafted Amino-Functionalized Zirconium-Terephthalate Metal-Organic Framework: Efficient Adsorbent for Extraction of Polycyclic Aromatic Hydrocarbons from Water Samples
Tabatabaii, Maryam; Khajeh, Mostafa; Oveisi, Ali Reza; Erkartal, Mustafa; Sen, Unal (AMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2020)In this study, a novel porous hybrid material, poly(lauryl methacrylate) polymer-grafted UiO-66-NH2 (UiO = University of Oslo), was synthesized for efficient extraction of polycyclic aromatic hydrocarbons (PAHs) from aqueous ... -
Polyamorphism in Aluminum Nitride: A First Principles Molecular Dynamics Study
Durandurdu, Murat (WILEY111 RIVER ST, HOBOKEN 07030-5774, NJ, 2016)The high-pressure behavior of amorphous aluminum nitride is investigated for the first time by means of ab initio molecular dynamics simulations. It is found to undergo two successive first-order phase transformations with ... -
Polymeric and Small-Molecule Semiconductors for Organic Field-Effect Transistors
Usta, Hakan; Facchetti, Antonio (Wliey Online Library, 2015)This chapter reviews the achievements in the development of molecular and polymeric semiconductors for charge transport in thin-film transistors (TFTs). In particular, it introduces the basic concepts of organic semiconductor ... -
Polymeric semiconductors based on meso-substituted BODIPY for (opto)electronic applications
Usta, Hakan; Kim, Choongik; Kim, Bumjoon (AMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2019)Polymeric semiconductors based on meso-substituted BODIPY for (opto)electronic applications -
Possible boron-rich amorphous silicon borides from ab initio simulations
Karacaoglan, Aysegul Ozlem Cetin; Durandurdu, Murat (SPRINGER, 2023)ContextBy means of ab initio molecular dynamics simulations, possible boron-rich amorphous silicon borides (BnSi1-n, 0.5 <= n <= 0.95) are generated and their microstructure, electrical properties and mechanical characters ... -
Post-Leaching of Silver from a Non-Sulfide Lead-Zinc Ore Flotation Tailing Leach Residue in a Copper-Ammonium Thiosulfate Solution: A Fuzzy Logic Prediction
Hussaini, S.; Tita, A. M.; Kursunoglu, S.; Kursunoglu, S.; Top, S.; Kaya, M. (PLEIADES PUBLISHING INC, 2023)The post-leaching of silver (Ag) from a non-sulfide lead–zinc (Pb–Zn) ore flotation tailing leach residue in a copper–ammonium thiosulfate solution was investigated. Ag (89.7%) was extracted into the leaching solution ... -
Prediction of Mechanical Properties of Coal from Non-destructive Properties: A Comparative Application of MARS, ANN, and GA
Lawal, Abiodun Ismail; Oniyide, Gafar O.; Kwon, Sangki; Onifade, Moshood; Koken, Ekin; Ogunsola, Nafiu O. (SPRINGERVAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2021)Rock properties are useful for safe operation and design of both surface and underground mines including civil engineering projects. However, the cost and time required to perform detailed assessments of rock properties ... -
Preparation and characterization of a novel diatomite-based composite and investigation of its adsorption properties for uranyl ions
Senol, Zeynep Mine; Arslan, Dilek Senol; Simsek, Selcuk (SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2019)In this research, Polyacrylamide-diatomite (PAA-D) composite was used as adsorbent for the efficient removal of uranyl ions from aqueous solution. The chemical and morphological properties of PAA-D composite were confirmed ... -
Preparation of Polyacrylamide Titanium Dioxide Hybrid Nanocomposite by Direct Polymerization and Its Applicability in Removing Crystal Violet from Aqueous Solution
Arslan-Şenol, Dilek; Ertap, Hüseyin; Şenol, Zeynep Mine; El Messaoudi, Noureddine; Mehmeti, Valbonë (SPRINGER, 2024)The present paper focused on synthesizing a polyacrylamide-titanium dioxide (PAA@TiO2) nanocomposite using a crosslinking method with N, N′-methylenebisacrylamide and then using this composite to eliminate crystal violet ... -
Pressure-Induced Amorphization of MOF-5: A First Principles Study
Erkartal, Mustafa; Durandurdu, Murat (WILEY-V C H VERLAG GMBH, POSTFACH 101161, 69451 WEINHEIM, GERMANY, 2018)Amorphous metal-organic frameworks (MOFs) and the amorphization of crystalline MOFs under mechanical stimuli are attracting considerable interest in last few years. However, we still have limited knowledge on their atomic ... -
Pressure-Induced Amorphization of MOF-5: A First Principles Study
Erkartal, Mustafa; Durandurdu, Murat (Wiley Online Library, 2018)Amorphous metal-organic frameworks (MOFs) and the amorphization of crystalline MOFs under mechanical stimuli are attracting considerable interest in last few years. However, we still have limited knowledge on their atomic ... -
Pressure-induced amorphization, mechanical and electronic properties of zeolitic imidazolate framework (ZIF-8)
Erkartal, Mustafa; Durandurdu, Murat (ELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE, SWITZERLAND, 2020)Ab initio molecular dynamics (AIMD) simulations are carried out to probe the high-pressure behavior of ZIF-8 over wide pressure-range. Under compression, the enormous distortions in the ZnN4 tetrahedral units lead to a ...