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Çağla Özgür
E-mail
caglaoz@metu.edu.tr
Department
Department of Metallurgical and Materials Engineering
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Tuning the lattice strain through manipulating crystal structure of high entropy oxides enhances electrocatalytic performance
Coskuner, Ali Burcay; Erdil, Tuncay; Özgür, Çağla; Geyikci, Uygar; Toparlı, Çiğdem (2025-06-01)
This study investigated the effects of crystal structure on the electrocatalytic OER and ORR performance. High-entropy oxides were synthesized, yielding rock-salt (HRS) and spinel cubic (HSP) crystal structures. Overpotent...
Earth-Abundant Divalent Cation High-Entropy Spinel Ferrites as Bifunctional Electrocatalysts for Oxygen Evolution and Reduction Reactions
Erdil, Tuncay; Özgür, Çağla; Geyikci, Uygar; LÖKÇÜ, ERSU; Toparlı, Çiğdem (2024-09-23)
High-entropy spinel ferrites (HESFs) offer long-term stability and activity in oxygen electrochemical reactions due to entropy stabilization and synergistic effects of multiple elements within their crystal structure. Howe...
The Effect of B-site Doping on NdBaCoaFe2-aO6 (a= 1.8, 1.6, 1.4, 1.2) for Enhanced OER/ORR Activity and Rechargeable Zinc- Air Battery Performance
Özgür, Çağla; Toparlı, Çiğdem (2023-12-30)
NANO POROUS HIGH ENTROPY OXIDE ELECTROCATALYST FOR HYDROGEN PRODUCTION
Özgür, Çağla; Toparlı, Çiğdem; Erdil, Tuncay; LÖKÇÜ, ERSU (2023-12-01)
Engineering Oxygen Vacancies in (FeCrCoMnZn)3O4-δ High Entropy Spinel Oxides Through Altering Fabrication Atmosphere for High-Performance Rechargeable Zinc-Air Batteries
Özgür, Çağla; Erdil, Tuncay; Geyikci, Uygar; Okuyucu, Can; LÖKÇÜ, ERSU; Kalay, Yunus Eren; Toparlı, Çiğdem (2023-01-01)
High entropy oxides (HEOs) offer great potential as catalysts for oxygen electrocatalytic reactions in alkaline environments. Herein, a novel synthesis approach to prepare (FeCrCoMnZn)3O4-δ high entropy spinel oxide in a v...
Effect of synthesis environment on the electrochemical properties of (FeMnCrCoZn)(3)O-4 high-entropy oxides for Li-ion batteries
Bayraktar, Deniz Okan; LÖKÇÜ, ERSU; Özgür, Çağla; Erdil, Tuncay; Toparlı, Çiğdem (2022-09-01)
High-entropy oxides (HEOs) have gained significant attention from lithium-ion batteries since they can present cycling stability and possess a high specific capacity. While many studies have focused on discovering new high...
(Digital Presentation) ORR/OER Activity and Rechargeable Zinc-Air Battery Performance of B Site Doped Double Perovskite NdBaCoXO5+δ (X= Fe, Ni, Mn)
Özgür, Çağla; Toparlı, Çiğdem (2022-07-07)
Renewable energy systems and designing economically viable electrochemical energy storage systems is essential to decrease environmental pollution concerns while meeting the growing energy demand. Among the various energy ...
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