Yurdanur Türker

Fabrication of Multifunctional Nanofiber Mats by Emulsion Electrospinning of TPU/Fish Skin Gelatin Incorporating Plant Extract‐Based Therapeutic Oil for Wound Dressing Applications

Rüya Keskinkaya, Arzu Yıldırım, Şeyma Çağlayan, Eray Sarper Erdoğan et autres

Abstract In this study, for the first time thermoplastic polyurethane (TPU), fish skin gelatin (FSG), and H. perforatum oil (HPO) combine to form a new nanofiber material by using the emulsion electrospinning technique. Scanning electron microscope (SEM), Fourier transform infrared (FTIR) spectroscopy, …

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Molten Salt Assisted Assembly (MASA) of novel mesoporous Ni0.5Mn0.5Co2O4 for high-performance asymmetric supercapacitors

Mert Umut Özkaynak, Yurdanur Türker, Koray Bahadır Dönmez, Selin Dağlar et autres

• The first synthesis of mesoporous Ni 0.5 Mn 0.5 Co 2 O 4 , achieved through the MASA method. • Ni 0.5 Mn 0.5 Co 2 O 4 exhibits a relatively high surface area and improved redox activity. • Ni 0.5 …

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Facile assembly of flexible, stretchable and attachable symmetric microsupercapacitors with wide working voltage windows and favorable durability

Xiangguang Han, Xiaoyu Wu, Libo Zhao, Min Li et autres

Abstract With the increasing development of intelligent robots and wearable electronics, the demand for high-performance flexible energy storage devices is drastically increasing. In this study, flexible symmetric microsupercapacitors (MSCs) that could operate in a wide working voltage window were developed by combining …

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Plasma treated‐double layer electrospun fiber mats from thermoplastic polyurethane and gelatin for wound healing applications

Arzu Yıldırım, Eray Sarper Erdoğan, Şeyma Çağlayan, Rüya Keskinkaya et autres

Abstract Conventional wound treatment options provide a barrier against exogenous microbial penetration but cannot simultaneously provide an antibacterial characteristic and promote healing. However, bioactive dressings can accelerate wound healing and have an antibacterial effect in addition to being able to cover and …

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Understanding the role of water in the lyotropic liquid crystalline mesophase of high-performance flexible supercapacitor electrolytes using a rheological approach

Mert Umut Özkaynak, Banu Kocaağa, Koray Bahadır Dönmez, Selin Dağlar et autres

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Facile Assembly of Flexible Symmetric Micro-Supercapacitors with Wide Working Voltage Window

Min Li, Xiangguang Han, Libo Zhao, Zhikang Li et autres

Abstract With the upcoming flourishing development of intelligent robots and wearable electronics, demands for high-performance flexible energy storage devices are increasing. In this study, flexible symmetric micro-supercapacitors (MSCs) that could work in wide working voltage window were demonstrated by combining laser-direct-writing graphene …

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Wide-Temperature-Range Flexible Micro-Supercapacitors Using Liquid Crystal Gel Electrolyte

Min Li, Yurdanur Türker, Mert Umut Özkaynak, Libo Zhao et autres

In this work, to construct a sunlight-powered energy storage system, single wall carbon nanotubes (SWCNTs)-based symmetric micro-supercapacitors (MSCs) were fabricated by a one-step, facile spraying method. The electrodes exhibited satisfactory conductivity with a sheet resistance of 275 Ω/sq. Moreover, potassium hydroxide-poly(vinyl alcohol) …

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Ultraprecise control over the photophysical properties of novel amino acid functionalized CdTeS quantum dots and their effect on the emission of yellow-emissive carbon dots

Sacide Melek Kestir, Sultan Şahin Keskin, Özge Ergüder, Nida Ük et autres

-acetyl-L-cysteine. Red-emissive L-cysteine-functionalized CdTeS QDs interacted with yellow-emissive carbon dots. The fluorescence intensity of carbon dots increased upon interaction with CdTeS QDs. This study proposes a mild method that allows to grow QDs with an ultraprecise control over the photophysical properties and …

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High‐performance supercapacitor electrolytes based on high‐mole‐ratio phosphoric acid/lauryl ether surfactant liquid crystalline gel

Mert Umut Özkaynak, Yurdanur Türker, Koray Bahadır Dönmez, Nilgün Karatepe et autres

Proton-conducting gel electrolytes offer significant advantages for supercapacitors. Among various acids, phosphoric acid (H3PO4·H2O, PA) has the highest proton conductivity for use as a supercapacitor electrolyte. Compared with commonly used acidic and basic electrolytes (H2SO4 and KOH), a high specific capacitance of …

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Development of Highly Luminescent Water-Insoluble Carbon Dots by Using Calix[4]pyrrole as the Carbon Precursor and Their Potential Application in Organic Solar Cells

Yağız Coşkun, Fatma Yelda Ünlü, Tuğbahan Yılmaz, Yurdanur Türker et autres

Carbon dots (CDs) are carbon-based fluorescent nanomaterials that are of interest in different research areas due to their low cost production and low toxicity. Considering their unique photophysical properties, hydrophobic/amphiphilic CDs are powerful alternatives to metal-based quantum dots in LED and photovoltaic …

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Luminescent PbS and PbS/CdS Quantum Dots with Hybrid Coatings as Nanotags for Authentication of Petroleum Products

Emek G. Durmusoglu, Yurdanur Türker, Havva Yağcı Acar

There is an urgent need to tag some valuable liquid products, such as petroleum products, for authentication. However, it is a challenging task because of the strong autofluorescence of liquid petroleum products in the visible range and the chemically active and harsh …

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Green Synthesis of Strongly Luminescent, Ultrasmall PbS and PbSe Quantum Dots

Emek G. Durmusoglu, Yurdanur Türker, Havva Yağcı Acar

Although size tunable synthesis of PbS between 3 and 10 nm with emission in the NIR II region is well-known, there is no well-established method to produce smaller particles with emission below 1000 nm, which is easier to detect with less costly …

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