Gülsün Gökağaç Arslan

E-mail

ggulsun@metu.edu.tr

Department

Department of Chemistry

ORCID

0000-0001-7796-253X

Destek Maddelerinin Katalizörlerin Performansları Üzerindeki Etkisi Anaklı, Duygu; Karaosmanoğlu, Toprak Seda; Gökağaç Arslan, Gülsün (null; 2017-12-14)
Improved Pt/C electrocatalysts for methanol oxidation prepared by different reducing agents and surfactants and DFT studies on it Cokangin, Aysu; AYDIN, METİN; Gökağaç Arslan, Gülsün (2017-10-14) In this work, PtCl4 as precursor; sodium borohydride (Cat I), hydrazinium hydroxide (Cat II), and formaldehyde (Cat III) as reducing agents; and 1-heptanamine (a), N-methyl-1-heptanamine (b), and N, N-dimethyl-1-heptanamin...
Methanol oxidation by nano Pt C electrocatalysts and DFT studies Gökağaç Arslan, Gülsün; Çokangın, Aysu (2016-09-15)
Pt nanoparticles synthesized with new surfactants: improvement in C-1-C-3 alcohol oxidation catalytic activity ŞEN, FATİH; Gökağaç Arslan, Gülsün (Springer Science and Business Media LLC, 2014-01-01) Platinum electrocatalysts were prepared using PtCl4 as a starting material and 1-decylamine, N,N-dimethyldecylamine, 1-dodecylamine, N,N-dimethyldodecylamine, 1-hexadecylamine, and 1-octadecylamine as surfactants. These su...
High performance Pt nanoparticles prepared by new surfactants for C-1 to C-3 alcohol oxidation reactions ŞEN, FATİH; Gökağaç Arslan, Gülsün; Sen, Selda (Springer Science and Business Media LLC, 2013-09-07) In this study, platinum nanoparticles have been prepared using PtCl4 as a starting material and 1-hexylamine, N-methylhexylamine, N,N-dimethylhexylamine, 1-heptylamine, N-methylheptylamine, and N, N-dimethylheptylamine as ...
The preparation and characterization of nano-sized Pt-Pd/C catalysts and comparison of their superior catalytic activities for methanol and ethanol oxidation Ozturk, Zafer; Sen, Fatih; Sen, Selda; Gökağaç Arslan, Gülsün (2012-12-01) In this study, two groups of carbon supported PtPd samples with different percentages of metals were prepared to examine the effects of Pd and stabilizing agents on the catalytic activity towards methanol and ethanol oxida...
Platinum nanocatalysts prepared with different surfactants for C1-C3 alcohol oxidations and their surface morphologies by AFM Ertan, Salih; Sen, Fatih; Sen, Selda; Gökağaç Arslan, Gülsün (2012-06-01) In this study, platinum nanoparticle catalysts have been prepared using PtCl4 as a starting material and 1-octanethiol, 1-decanethiol, 1-dodecanethiol, and 1-hexadecanethiol as surfactants for methanol, ethanol, and 2-prop...
Effects of sodium hypochlorite on gutta-percha and Resilon cones: An atomic force microscopy and scanning electron microscopy study TOPUZ, ÖZGÜR; Saglam, Baran Can; Sen, Fatih; Sen, Selda; Gökağaç Arslan, Gülsün; Gorgul, Guliz (Elsevier BV, 2011-10-01) The aim of this study was to evaluate the effects of 6% sodium hypochlorite (NaOCl) on gutta-percha (GP) and Resilon cones. Six standardized GP and Resilon cones were selected and cut 3mm from their tip. One GP and 1 Resil...
Efficiency enhancement of methanol/ethanol oxidation reactions on Pt nanoparticles prepared using a new surfactant, 1,1-dimethyl heptanethiol Sen, Fatih; Sen, Selda; Gökağaç Arslan, Gülsün (2011-01-01) In this study, carbon-supported platinum nanoparticle catalysts were prepared using PtCl(4) and H(2)PtCl(6) as starting materials and 1-heptanethiol, 1,1-dimethyl heptanethiol, 1-hexadecanethiol and 1-octadecanethiol as su...
Preparation and characterization of nano-sized Pt-Ru/C catalysts and their superior catalytic activities for methanol and ethanol oxidation Sen, Selda; Sen, Fatih; Gökağaç Arslan, Gülsün (2011-01-01) Carbon-supported PtRu nanoparticles (Ru/Pt: 0.25) were prepared by three different methods; simultaneous reduction of PtCl(4) and RuCl(3) (catalyst I) and changing the reduction order of PtCl4 and RuCl3 (catalysts II and I...

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