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  • Derleme MakaleAçık Erişim2026Scopus SJRQ2
    Sustainable Ammonia Production, Advances in Electrochemical, Photoelectrochemical, and Photocatalytic Technologies for Green Energy

    Shahin, Musarat; Mohsin, Abdul Haseeb; Bibi, Aiman; Ahmad, Ihtisham; Altuner, Elif Esra; Aldemir, Ozan; Durmusoglu, Senol; Yilancilar, Mehmet Sabit; Tanriverdi, Yavuz; Acar, Esra

    Substantial advances have been made since the 1970s in reducing the environmental impacts of ammonia production. Renewable-driven electrochemical synthesis offers a promising pathway to decarbonize ammonia production. This review examines an integrated route in which hydrogen is generated photoelectrochemically under concentrated solar irradiation and subsequently used in electrochemical ammonia synthesis. Photoelectrochemical cells are fabricated by electrostatically depositing photosensitive particles onto cathodes to enhance light-driven hydrogen production. Hydrogen production rates and ammonia yield depend strongly on temperature and electrolyte composition. The synthesized hydrogen is fed into a molten salt electrochemical reactor that operates at atmospheric pressure and receives nitrogen from a dedicated supply. This combined solar–electrochemical approach can produce low-carbon ammonia with improved safety and reduced environmental impact, offering a scalable alternative to conventional processes.

    • SDG 7 · Erişilebilir ve Temiz Enerji
    • SDG 9 · Sanayi, Yenilikçilik ve Altyapı
    • SDG 13 · İklim Eylemi
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  • MakaleAçık Erişim2025
    Erbia - Katkılı İtriya - Stabilizeli Serya - Zirkonyum Bazlı Nanoseramiklerın Sentezi ve Karakterizasyonu

    Durmusoglu, Senol; Altuner, Elif Esra

    Erbia- katkılı itriya - stabilizeli seryum-zirkonyum bazlı nanokristalin seramikler, ön seramik hibrit polimer çözeltileri olarak metal asetat ile polimerden seramiğe dönüşüm tekniği ile üretildi. Numuneler Taramalı Elektron Mikroskobu, Fourier Dönüşümlü Kızılötesi Spektroskopisi ve X-ışını Kırınımı ile karakterize edildi. Nanokristalit boyutu Scherrer eşitliği ile değerlendirildi. En az olan kristal değer ve kristalit boyutu, atom ağırlığına oran olarak Zr (%74), Y (%11), Ce (%10) ve Er (%5) içeren numune için elde edildi. Taramalı Elektron Mikroskobu sonuçları itriya içeriğindeki artışın taneciklerin aglomerasyonunu artırdığını göstermektedir. Karışık oksit yapıların başarılı sentezi, belirgin metal-oksijen bağlarının (Zr– O, Ce–O ve Er–O) gelişimini ve organik grupların tamamen parçalanmasını da gösteren FTIR spektrumları ile doğrulandı. Üretilen nanoseramikler, birleşik FTIR, XRD ve SEM incelemelerine göre, ince parçacık şekli, homojen faz gelişimi ve artan katkı maddesi içeriğiyle artan yapısal kararlılık göstermektedir.

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  • MakaleAçık Erişim2024
    An Experimental Investigation of Mechanical Behavior of HY 80 Steel in Corrosive Mediums

    Kosa, Ergin; Durmusoglu, Senol; Yılmaz, Buğra

    In this study, mechanical behavior of HY 80 steel in various mediums such as solutions of HCl, H2S04 and NaOH has been investigated experimentally. The plate specimens, tensile specimens and V-notched specimens are immersed in solutions of HCl, H2S04 and NaOH. Mass losses of immersed HY 80 flat plate specimens are measured after 1 week, 2 weeks and 4 weeks for each H2S04, NaOH and HCl solutions to determine the aggressivity of the corrosive medium to surface of HY 80 steel. Also, tensile specimens and V-notched specimens are immersed for 1, 2 and 4 weeks to study on the effect of corrosive medium on fracture toughness and yielding behavior of HY 80 steels. The results show that however, yielding strength and ultimate tensile strength of HY 80 steel have reduced after immersed in acidic solutions of HCl and H2S04, are stable after immersed in solution of NaOH. Furthermore, effect of acidic medium lower the fracture toughness of HY 80 steel.

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AlanDeğerDil
dc.date.accessioned2026-10-27T23:47:33.100005281Z
dc.date.available2026-10-27T23:47:33.100005281Z
dc.identifier.urihttps://rdlopen.rawdatalibrary.net/r/kostu/10456
dc.rightsinfo:eu-repo/semantics/openAccess
dc.titleDurmusoglu, Senol
person.affiliation.nameProgram of Medical Laboratuary Techniques, Department of Medical Services and Technology, Vocational School of European, University of Kocaeli Health and Technology, Kocaeli, 41275, Turkey, Program of Hybrid and Electric Vehicles Technology, Department of Electric and Energy, Vocational School of European, University of Kocaeli Health and Technology, Kocaeli, 41275, Turkey
person.familyNameDurmusoglu
person.givenNameSenol
person.identifier.scopus60711753300
person.statusunverified