TY - JOUR T1 - Korozyona Dirençli Amfifobik Yüzey Tasarımı: Silika-Perflorosilan Tabanlı Kaplamalar AU - Hüküm Özkan, Kübra PY - 2025 DA - May Y2 - 2025 DO - 10.63716/guffd.1677675 JF - Gazi Üniversitesi Fen Fakültesi Dergisi JO - GÜFFD PB - Gazi Üniversitesi WT - DergiPark SN - 2757-5543 SP - 161 EP - 170 VL - 6 IS - 1 LA - tr AB - Fonksiyonel yüzey kaplamaları, özellikle metalik malzemelerin çevresel etkilerden korunması ve yüzey özelliklerinin iyileştirilmesi açısından son yıllarda önemli bir araştırma alanı haline gelmiştir. Bu çalışmada, alüminyum yüzeylere amfifobik özellik kazandırmak amacıyla, Stöber yöntemi ile sentezlenen silika nanopartiküller farklı konsantrasyonlarda yüzeye püskürtülmüş ve ardından 1H,1H,2H,2H-Perflorooktiltrietoksisilan (perflorosilan) bileşiği ile kimyasal buhar biriktirme (CVD) yöntemi kullanılarak yüzey modifikasyonu gerçekleştirilmiştir. Sentezlenen nanopartiküllerin kimyasal yapısı ve boyutu, Fourier Dönüşümlü Kızılötesi Spektroskopisi (FT-IR) ve Dinamik Işık Saçılımı (DLS) analizleri ile karakterize edilmiş; geliştirilen kaplamaların su, hekzadekan ve diiyodometan test sıvıları ile yapılan temas açısı ölçümleri sonucunda hidrofobik ve oleofobik performans sergilediği belirlenmiştir. En yüksek silika konsantrasyonuna sahip (1 mg/mL) kaplamada temas açısı değerleri sırasıyla su için 116,7°, hekzadekan için 79,2°ve diiyodometan için ise 100,1° olarak ölçülmüş; yüzey enerjisi 9,42 mJ/m2 (su ve diiyodometan temas açılarına göre) olarak hesaplanmıştır. Ayrıca, aşındırıcı pH koşulları altında gerçekleştirilen dayanıklılık testleri sonucunda kaplamaların kimyasal kararlılığını koruduğu gözlemlenmiştir. Elde edilen bulgular, uygulaması kolay ve uzun ömürlü bu amfifobik kaplama yönteminin, korozyona dayanıklı yüzey tasarımlarında geniş bir uygulama potansiyeline sahip olduğunu göstermektedir. 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