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Browsing Kimya / Chemistry by Author "Soner Cakar"

Now showing items 1-10 of 10

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. ...
Electrochemical and photovoltaic properties of highly efficient solar cells with cobalt/zinc phthalocyanine sensitizers

Altug Mert Sevim; Soner Cakar; Özacar, Mahmut; Ahmet Gul (PERGAMON-ELSEVIER SCIENCE LTD, 2018)

The cyclic voltammetry studies indicated that the HOMO and LUMO energy levels of three sensitized metallophthalocyanines could ensure efficient electron injection and thermodynamically favorable dye regeneration. The ...
Fe-quercetin coupled different shaped ZnO rods based dye sensitized solar cell applications

Soner Cakar; Özacar, Mahmut (PERGAMON-ELSEVIER SCIENCE LTD, 2017)

In this study, we have investigated quercetin and Fe-quercetin complex on different shaped ZnO rods for dye sensitized solar cells (DSSCs) applications. The different shaped ZnO rods were synthesized using microwave ...
Fe-tannic acid complex dye as photo sensitizer for different morphological ZnO based DSSCs

Soner Cakar; Özacar, Mahmut (PERGAMON-ELSEVIER SCIENCE LTD, 2016)

In this paper we have synthesized different morphological ZnO nanostructures via microwave hydrothermal methods at low temperature within a short time. We described different morphologies of ZnO at different Zn(NO3)(2)/KOH ...
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 ...
Lipase-based on starch material as a development matrix with magnetite cross-linked enzyme aggregates and its application

Atheer Awad Mehde; Wesen Adel Mehdi; Severgün, Olcay; Soner Cakar; Özacar, Mahmut (ELSEVIER SCIENCE BV, 2018)

The Fe3O4 magnetic nanoparticles were prepared by precipitating ferrous ion (Fe2+) and ferric ion (Fe3+) in alkaline solution. The Fe3O4 magnetic nanoparticles were modified by tannic acid. After functionalization process, ...
The effect of iron complexes of quercetin on dye-sensitized solar cell efficiency

Soner Cakar; Özacar, Mahmut (ELSEVIER SCIENCE SA, 2017)

A novel quercetin and Fe-quercetin complex dyes have been prepared and used in DSSCs. The prepared dyes were characterized via FTIR, Raman, UV vis and CV techniques. The HOMO and LUMO energy levels and possible mechanism ...
The effects of metal doped TiO2 and dithizone-metal complexes on DSSCs performance

Ünlü, Burak; Soner Cakar; Özacar, Mahmut (PERGAMON-ELSEVIER SCIENCE LTD, 2018)

Different metal (Fe, Ni, Co or Zn) doped TiO2 nanoparticles and dithizone-metal (Fe, Ni, Co or Zn)-gallic acid complexes were prepared and used in dye sensitized solar cells (DSSCs). The TiO2 and metal doped TiO2 nanoparticles ...
The pH dependent tannic acid and Fe-tannic acid complex dye for dye sensitized solar cell applications

Soner Cakar; Özacar, Mahmut (ELSEVIER SCIENCE SA, 2019)

We report a novel pH-dependent dye-sensitized solar cells by using tannic acid and Fe-tannic acid complex. We have synthesized TiO2 nanoparticles by microwave hydrothermal method, and TiO2 photoanode has been developed via ...