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Browsing Makale Koleksiyonu by Author "Güy, Nuray"

Now showing items 1-10 of 10

Ag/Ag(2)Cra(4) nanoparticles modified on ZnO nanorods as an efficient plasmonic photocatalyst under visible light

Güy, Nuray; Özacar, Mahmut (ELSEVIER SCIENCE SA, 2019)

The highly efficient plasmonic photocatalysts have drawn attention with their effective charge carrier separation capabilities and visible light absorption features, which makes them immensely favorable material in the ...
Comparison of palladium/zinc oxide photocatalysts prepared by different palladium doping methods for congo red degradation

Güy, Nuray; Güy, Nuray; Soner Cakar; Özacar, Mahmut (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2016)

ZnO nanoplates were synthesized by microwave-hydrothermal methods. Pd doped ZnO photocatalysts were prepared by microwave irradiation, UV irradiation, and borohydride reduction methods. The Pd/ZnO photocatalysts were ...
Efficiency of glucose oxidase immobilized on tannin modified NiFe2O4 nanoparticles on decolorization of dye in the Fenton and photo-biocatalytic processes

Atacan, Keziban; Güy, Nuray; Güy, Nuray; Soner Cakar; Özacar, Mahmut (ELSEVIER SCIENCE SA, 2019)

Immobilized enzymes are significantly studied both environmental and textile industries. In this work, glucose oxidase was immobilized on the tannin coated NiFe2O4 magnetic nanoparticles for decolorization of indigo carmin. ...
Investigation of Vegetable Tannins and Their Iron Complex Dyes for Dye Sensitized Solar Cell Applications

Soner Cakar; Güy, Nuray; Özacar, Mahmut; Fındık, Fehim (PERGAMON-ELSEVIER SCIENCE LTD, 2016)

In this study, ZnO nanoplates were synthesized rapidly via microwave assisted hydrothermal synthesis methods at relatively low temperatures and without any organic surfactants. The ZnO nanoplates were used as a dye sensitized ...
Magnetically separable MnFe2O4/TA/ZnO nanocomposites for photocatalytic degradation of Congo Red under visible light

Belgassim Boutra; Güy, Nuray; Özacar, Mahmut; Mohamed Trari (ELSEVIER, 2020)

Recently, the use of carbon based materials and magnetic nanoparticles for supporting or coupling with metal oxides such as ZnO is a promising axis. The use of carbon materials enhances the photocatalytic performance of ...
Photocatalytic efficiencies of Ni, Mn, Fe and Ag doped ZnO nanostructures synthesized by hydrothermal method: The synergistic/antagonistic effect between ZnO and metals

Senay Sen Turkyilmaz; Güy, Nuray; Özacar, Mahmut (ELSEVIER SCIENCE SA, 2017)

The ZnO and different noble and transition metals (Ni, Mn, Fe and Ag) doped ZnO (M/ZnO) nanostructures were synthesized by hydrothermal method. The ZnO and M/ZnO photocatalysts were characterized by Xray diffraction (XRD), ...
Role of Ag3PO4 and Fe3O4 on the photocatalytic performance of magnetic Ag3PO4/ZnO/Fe3O4 nanocomposite under visible light irradiation

Güy, Nuray; Atacan, Keziban; Karaca, Ertuğrul; Özacar, Mahmut (PERGAMON-ELSEVIER SCIENCE LTD, 2018)

Novel magnetically separable nanocomposite photocatalyst Ag3PO4/ZnO/Fe3O4, prepared by the coprecipitation and microwave assisted hydrothermal synthesis, was first investigated as the photocatalyst for congo red degradation ...
Sorption isotherms and characteristics of U(VI) ion onto composite adsorbent

R. Donat; Güy, Nuray; Güy, Nuray; H. Cetisli (DESALINATION PUBL, 2011)

The adsorption of U(VI) from aqueous solutions onto composite adsorbent (Gumalgin Cromatic) has been studied using a batch adsorber. The parameters that affect the U(VI) sorption, such as contact time, solution pH, initial ...
The influence of noble metals on photocatalytic activity of ZnO for Congo red degradation

Güy, Nuray; Özacar, Mahmut (PERGAMON-ELSEVIER SCIENCE LTD, 2016)

The most suitable method to improve the photocatalytic activity of semiconductors is doping of noble metallic nanoparticles on them. In this research, Au, Ag and Pd noble metals were separately doped on ZnO nano photocatalysts ...
Visible light-induced degradation of indigo carmine over ZnFe2O4/Tannin/ZnO: Role of tannin as a modifier and its degradation mechanism

Güy, Nuray; Özacar, Mahmut (PERGAMON-ELSEVIER SCIENCE LTD, 2018)

Design and usage of efficient visible light photocatalytic systems for wastewater treatment and degradation of organic dyes are of remarkable interest in the fields of environmental protection. In this study, magnetic ...