Ali Tufani

Ali Tufani
Jožef Stefan Institute | IJS · Department of Synthesis of Materials

PhD

About

26
Publications
2,507
Reads
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285
Citations
Education
January 2012 - December 2017
Sabanci University
Field of study
  • Materials Science and Engineering

Publications

Publications (26)
Article
Reduced graphene oxide/zinc oxide (rGO/ZnO) hybrid nanocomposites were prepared from synthesized GO and high energy ball milled (HEBM) ZnO for supercapacitor electrodes. Evolution of intrinsic point defects and defect-induced morphological, structural and size-dependent properties of rGO/ZnO hybrid nanocomposites were investigated using electron pa...
Article
Full-text available
The morphology of nanostructures is a vital parameter to consider in components comprised of materials exhibiting specific functionalities. The number of process steps and the need for high temperatures can often be a limiting factor when targeting a specific morphology. Here, we demonstrate a repeatable synthesis of different morphologies of a hig...
Article
Combination of quantum dots (QDs) and magnetic nanoparticles (MNPs) as magnetic quantum dots (MQDs) has a broad range of applications as multifunctional nanoscale devices in biological imaging, medical nano-diagnostics and nanomedicine. MQDs derived from iron oxide nanoparticles and QDs possess excellent superparamagnetic and fluorescent properties...
Article
Early diagnosis of a progressive cancer disease is currently limited due to lack of adequate point-of-care (PoC) diagnostic tools. PoC diagnosis enables detecting early signs of a disease and pave way to disease prevention. Here, we developed an immuno-optomagnetic quantum dots based PoC assay for early detection of a cancer biomarker, human epider...
Article
Full-text available
Two kinds of electrode materials were produced to fabricate asymmetric supercapacitor devices: i) Highly defective, n-type wide bandgap semiconductor ZnO nanocrystalline electrodes below 50 nm were synthesized by the aid of high energy ball milling technique. ii) Flexible 3D-graphene foams were synthesized via chemical vapor deposition technique. E...
Article
Full-text available
Functional and stimuli-responsive nanofibers with an enhanced surface area/volume ratio provide controlled and triggered drug release with higher efficacy. In this study, chemotherapeutic agent Rose Bengal (RB) (4,5,6,7-tetrachloro-2′, 4′,5′,7′-tetraiodofluoresceindisodium)-loaded water-soluble polyvinyl alcohol (PVA) nanofibers were synthesized by...
Article
This study focuses on the failure analysis of woven fabric carbon-reinforced polymeric composites under tensile and flexural loading. To conduct a detailed investigation acoustic emission is used to attain damage evolution under flexural loading conditions. For the first time, the GAP function is suggested to find the optimal number of clusters for...
Article
Multi-functional Janus membranes, with opposing properties on each side, can act as on-off gates for controlled release, switchable permeation or directional transport of macromolecules. Janus membranes with poly (methylacrylic acid-co-ethylene glycol dimethacrylate), p(MAA-co-EGDMA), and poly (4-vinylpyridine-co-ethylene glycol dimethacrylate), p(...
Conference Paper
Fabrication of ferroelectric polymers at lower temperatures, thickness control and film conformality in polymeric multilayer structures are required for full integration of the ferroelectric polymers to the modern integrated devices. Also, designing of multilayer ferroelectric films requires precise control over the deposition parameters. We use I...
Article
In this study, nanofiltration (NF) membranes with high pH and temperature resistance were fabricated by introducing halloysite nanotubes (HNTs) into the organic phase during the interfacial polymerization step. HNTs were dispersed in cyclohexane with the concentration 0% (TFN0), 0.02% (TFN0.02), 0.04% (TFN0.04) and 0.06% (TFN0.06) as w/v (%). Fabri...
Article
Utilization of membranes for separation of macromolecules has gained wide interest in the last decade, especially after the development of smart membranes with tunable properties for improved separation performance. In this work, we fabricated hybrid membranes with variable pore sizes that depend on the pH of the environment. Hybrid membranes were...
Article
For the transfer of 2-D gold nanoparticle arrays between different substrates, we have developed a new method using thermo-responsive poly-N-isopropylacrylamide (pNIPAAm). By tuning the degree of surface hydrophilicity of pNIPAAm between 5°C and 50°C, we demonstrate the transfer of arrays extending over micron-scale areas with preservation of array...
Article
Full-text available
Here we present the integration of Boron (NaB) with Graphene Oxide (GO) to develop a new class of membranes which are bio-compatible and cost-effective for cell and tissue culture studies. Ethanol (EtOH) assisted the uniform dispersion of GO flakes on top a glass substrate. We investigated the effect of GO+NaB membrane on growth and proliferation o...
Article
Free-standing, thin films of poly(2-hydroxyethyl methacrylate), p(HEMA), membranes deposited by initiated chemical vapor deposition (iCVD) technique are presented. Systematic studies of permeation of model dye molecules through these free-standing thin films are performed and effects of process parameters on the permeability and selectivity of the...
Article
The morphology and texture formation in zinc-cobalt coatings electrodeposited onto low carbon steel substrate in an acidic sulphate bath was studied. A non-fibre {11 -0} prism was the predominant texture component of the coating at low current density, while, at higher current density, a (00 .2) fibre component dominated. A strong adsorption of cob...
Article
The morphology and texture formation in zinc and zinc-cobalt coatings, electrodeposited onto low carbon steel substrate in an acidic sulfate bath, was studied. The predominant texture component of zinc coating at low current density was pyramidal {11.5} and {11.6} nonfiber, while, for zinc-cobalt deposition, a nonfiber {11.0} prism was found as the...
Article
Electrochemical impedance spectroscopy (EIS) investigation of zinc electrodeposition at 10mAcm−2 indicated the possibility of hydrogen adsorption during deposition process. This causes low angle pyramidal {11.5} and {10.3} texture component via lateral bunching and results the morphology of ridges type. Conversely, at the same current density used...

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Projects

Project (1)
Project
The aim of the project is to investigate morphological and structural properties of Que Loaded-TiO2 NPs, which has been shown as a nano-antioxidant biologically in the previous article, by using techniques of FTIR, DLS, SEM and Raman spectroscopy. Moreover, to demonstrate the 3-D structure of Que Loaded-TiO2 NPs with the computational simulations analysis.