Yazar "TAÜ, Fen Fakültesi, Malzeme Bilimi ve Teknolojileri Bölümü" için Scopus İndeksli Yayınlar Koleksiyonu listeleme
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3D coffee stain
Doğru, Itır Bakış; Söz, Çağla; Press, Daniel Aaron; Melikov, Rustamzhon; Begar, Efe; Çonkar, Deniz; Fırat Karalar, Elif Nur; Yılgör, Emel; Yılgör, İskender (Royal Society of Chemistry, 2017)When a liquid droplet (e.g., coffee, wine, etc.) is splattered on a surface, the droplet dries in a ring-shaped stain. This widely observed pattern in everyday life occurs due to the phenomenon known as a coffee stain (or ... -
Active sites and their individual turnover frequencies for ethylene hydrogenation on reduced graphene aerogel
Kurtoğlu-Öztulum, Samira Fatma; Yalçın, Kaan; Saraç Öztun, F. Eylül; Kanat, Gizem Hasibe; Ünal, Uğur; Uzun, Alper (American Chemical Society, 2024)Graphene aerogel (GA) was reduced at various temperatures to prepare a series of reduced graphene aerogels (rGAs) with different surface characteristics. Detailed characterization demonstrated that an increase in the thermal ... -
Assessment on the stable and high capacity Na-Se batteries with carbonate electrolytes
Erdöl, Zeynep; Ata, Ali; Çakan, Rezan Demir (Wiley, 2022)Factors affecting proper functioning of Na-Se system are investigated focusing on the polyselenide formation in ether- and carbonate-based electrolytes. To do so, Se cathode is prepared by ball milling with commercial ... -
Atomically dispersed zeolite-supported rhodium complex: Selective and stable catalyst for acetylene semi-hydrogenation
Kurtoğlu-Öztulum, Samira Fatma; Zhao, Yuxin; Hoffman, Adam S.; Uzun, Alper; Demircan, Oktay; Yordanli, Melisa Su; Hong, Jiyun; Perez-Aguilar, Jorge E.; Saltuk, Aylin; Akgül, Deniz; Ateşin, Tülay A.; Aviyente, Viktorya; Gates, Bruce C.; Bare, Simon R. (Elsevier, 2024)Supported rhodium catalysts are known to be unselective for semi-hydrogenation reactions. Here, by tuning the electronic structure of supported mononuclear rhodium sites determined by the metal nuclearity and the electron-donor ... -
Development of a nonwetting coating for packaging substrate surfaces using a novel and easy to implement method
Söz, Çağla; Özomay, Zafer; Ünal, Semra; Uzun, Muhammet; Sönmez, Sinan (Walter de Gruyter, 2021)This study is about preparing different paper substrates with chemically stable hydrophobic and superhydrophobic surface coatings through spraying a mixture of poly(dimethylsiloxane) (PDMS) and inorganic particles. The ... -
Development of biomimetic hydroxyapatite containing dental restorative composites
Aydınoğlu, Aysu; Türkcan, Julide Hazal; Keleşoğlu, Ergün; Yoruç, Afife Binnaz Hazar (Springer, 2022)The aim of the study was to evaluate the incorporation effect of biomimetic hydroxyapatite (BHA) particles on the mechanical properties of experimental dental composites. Two experimental composites were produced from the ... -
Effect of filler content on the structure-property poly(ethylene oxide) based polyurethaneurea-silica nanocomposites
Oğuz, Oğuzhan; Şimsek, Eren; Söz, Çağla; Kasli Heinz, Özge; Yılgör, Emel; Yılgör, İskender; Menceloğlu, Yusuf Ziya (Wiley, 2017)Poly(ethylene oxide) (PEO) based polyurethaneurea‐silica nanocomposites were prepared by solution blending and characterized by Fourier Transform Infrared Spectroscopy, Scanning Electron Microscopy, Differential Scanning ... -
The effect of preceramic soldering on fracture resistance of 4-unit zirconia fixed dental prostheses
İrem, Diler Özkan; Cömert, Zekeriya Yaşar; Alpkılıç, Dilara Şeyma; Keleşoğlu, Ergün; Değer, Sabire İşler (Wiley, 2022)Purpose Preceramic soldering of zirconia may deliver better fitting restorations. However, there is not sufficient evidence regarding the influence of preceramic soldering of zirconia restorations on mechanical strength. ... -
Effect of severe plastic deformation on the precipitation kinetics and the properties of CuCoNiBe alloys
Elibol, Çağatay (Elsevier, 2022)The effect of the precipitation hardening by means of the conventional heat treatment and the combined thermomechanical treatment (i.e., equal channel angular pressing (ECAP) with subsequent aging) on the electrical ... -
Effect of soft segment molecular weight on tensile properties of poly(propylene oxide) based polyurethaneureas
Ertem, Sedef Pırıl; Yılgör, Emel; Söz, Çağla; Wilkes, Garth L.; Zhang, Mingqiang; Yılgör, İskender (Elsevier, 2012)Influence of soft segment molecular weight and hard segment content on the morphology, thermomechanical and tensile properties of homologous polyurethaneurea copolymers based on narrow molecular weight poly(propylene ... -
Effect of surface modification of colloidal silica nanoparticles on the rigid amorphous fraction and mechanical properties of amorphous polyurethane-urea-silica nanocomposites
Oğuz, Oğuzhan; Candau, Nicolas; Bernhard, Stephane H. F.; Söz, Çağla; Heinz, Özge; Stochlet, Gregory; Menceloğlu, Yusuf Z. (Wiley, 2019)Colloidal silica nanoparticles (NPs) modified with eight different silane coupling agents were incorporated into an amorphous poly(tetramethylene oxide)-based polyurethane-urea copolymer matrix at a concentration of 10 wt ... -
Effect of water absorption and hydroxyapatite addition on mechanical and microstructural properties of dental luting cements
Elibol, Çağatay; Atalay, Ender Gökşen; Sağır, Kadir; Yoruç, Afife Binnaz Hazar (Walter de Gruyter, 2022)In recent years, dental cements have gained more and more importance due to the increasing clinical expectations. They are used as restorative materials and as materials providing critical functions such as chemical and ... -
Electrochemical MIP sensor for butyrylcholinesterase
Özçelikay, Göksu; Kurbanoğlu, Sevinç; Zhang, Xiaorong; Söz, Çağla; Wollenberger, Ulla; Özkan, Sibel Ayşıl; Scheller, Frieder W. (Mdpi, 2019)Molecularly imprinted polymers (MIPs) mimic the binding sites of antibodies by substituting the amino acid-scaffold of proteins by synthetic polymers. In this work, the first MIP for the recognition of the diagnostically ... -
Estimation of yttrium oxide microstructural parameters using the Williamson-Hall analysis
Emil Kaya, Elif; Gürmen, Sebahattin (Taylor & Francis Ltd, 2018)Yttrium oxide (Y2O3) particles were synthesised from a yttrium nitrate solution via ultrasonic spray pyrolysis (USP) method. The effects of temperature and precursor concentration on morphology and microstructural parameters ... -
Fabrication and characterization of Yb-doped Y2O3 powders and thin films
Emil Kaya, Elif; Ünal, Fatma; Kazmanlı, Kürşat; Gürmen, Sebahattin (Carl Hanser Verlag, 2020)Yttrium oxide (Y2O3) and ytterbium (Yb)-doped Y2O3 particles were synthesized via the sol-gel method from the aqueous solution of their nitrate salts. The synthesized powders were then deposited on Corning glass substrates ... -
Fumed silica filled poly(dimethylsiloxane-urea) segmented copolymers: Preparation and properties
Yılgör, Emel; Yılgör, İskender; Eynur, Tuğba; Söz, Çağla; Malay, Özge; Menceloğlu, Yusuf Ziya; Wilkes, Garth L. (Elsevier, 2011)Novel fumed silica filled thermoplastic poly(dimethylsiloxane-urea) (TPSU) segmented copolymers were synthesized and characterized. TPSU copolymers were prepared from a cycloaliphatic diisocyanate, aminopropyl terminated ... -
Hexaazatriphenylene doped carbon nitrides-biomimetic photocatalyst with superior oxidation power
Kurpil, Bogdan; Savateev, Aleksandr; Papaefthimiou, Vasiliki; Zafeiratos, Spyridon; Heil, Tobias; Ozenler, Sibel; Antonietti, Markus (Elsevier Science Bv, 2017)Pyrazine rings are a fundamental part of folic acid and flavine - cofactors that participate in natural electron transfer processes. Electron deficient carbon nitrides, more specifically poly(heptazine imides) (PHI), ... -
Hybrid paper sheets with improved barrier properties
Söz, Çağla (Scientific & Technical Research Council Turkey-TUBITAK, 2021)Hybrid paper sheets were prepared by applying a thin coating layer of cross-linked polydimethylsiloxane (PDMS) and inorganic particles onto Whatman Grade 1 filter paper substrates. Several coatings with different inorganic ... -
In-situ photochemical synthesis and dielectric properties of nanocomposite thin films containing Au, Ag and MnO nanoparticles
Mutlu, Saliha; Metin, Eyüp; Yüksel, Süreyya Aydın; Bayrak, Uğur; Nuhoğlu, Ciğdem; Arsu, Nergis (Elsevier, 2021)Thioxanthone-Anthracene (TX-A) was used as a one-component Type II photoinitiator for the photopolymerization of PEGMEA/PEGDA monomer mixture consisting of AgNO3, HAuCl4 and MnCl2 metallic salts. In this study, we have ... -
Influence of the average surface roughness on the formation of superhydrophobic polymer surfaces through layer-by-layer spin-coating with hydrophobic fumed silica
Söz, Çağla; Yılgör, Emel; Yılgör, İskender (Elsevier, 2015)Formation of superhydrophobic polymer surfaces were investigated through successive spin-coating of hydrophobic fumed silica dispersed in an organic solvent onto polymer films. Two different polymers, a hydrophobic segmented ...