Çevre dostu gümüş nanoparçacık sentezi

Yıl 2022, Cilt: 1 Sayı: 1, 14 - 20, 29.06.2022

Nesrin Korkmaz , Fatma Nur Kaçan Mustafa Yılmaz Kaya

Öz

Gümüş nanopartiküllerin yeşil sentezinde, indirgeyici ajanlar olarak bakteriler, mayalar, mantarların yanı sıra enzimler, karbonhidratlar, yağlar, polifenoller, alkaloidler, flavonoidler, ve terpenoidler gibi bitki bileşenleri de kullanır. Bu çalışmada ilk kez çam kozalağının (pinus nigra) ekstresi kullanılmıştır. 1 mM gümüş nitrat çözeltisinin gümüş nanoparçacıklara indirgenmesi için yöntemin çok basit, uygun maliyetli ve kullanışlı olduğu kanıtlandı. Nanopartiküllerin sentezi, renksiz çözeltinin kahverengi renkli bir çözeltiye dönüştüğü görsel algılama ile doğrulandı. UV-görünür spektroskopi, XRD analizi, STEM, EDS ile karakterizasyonu yapıldı. UV-Görünür spektrum, AgNP'lerin Plazmon absorbansına karşılık gelen 411 nm de maksimum bir tepe gösterdi. Gümüş nanoparçacıkların boyutu, transmisyon elektron mikroskobu (STEM) ile belirlendiği üzere yaklaşık olarak 16-27 nm olduğu bulundu. Enerji dağıtıcı spektrumlar (EDS), nanopartiküllerin %91 saf haliyle gümüş içerdiğini ortaya çıkardı. Bu çalışmada gösterdi ki hızlı, ekonomik, yenilenebilir, sürdürülebilir ve toksik etki göstermeyen gümüş nanoparçacıkların sentezi mümkündür. Yüksek saflıkta biyosentezlenmiş bu partiküller; iyi iletkenlik, termal özellikleri, antibakteriyel özellikler ve optik özelliklere sahip olmalarından dolayı biyomedikal optik, kataliz, elektronik cihazlar vb. birçok uygulama alanında rahatlıkla kullanılabilir.

Anahtar Kelimeler

Nanoteknoloji, Gümüş Nanopartikül, Yeşil Sentez, Çam Kozalağı(Pinus Nigra

Kaynakça

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