MODİFİYE HUMMERS YÖNTEMİYLE GRAFEN OKSİT (GO) SENTEZİ VE KARAKTERİZASYONU

Year 2016, Volume: 4 Issue: 2, 41 - 48, 10.06.2016

Mustafa Yazıcı , İsmail Tiyek , Mehmet Sabri Ersoy , Mehmet Hakkı Alma , Utkay Dönmez , Behzat Yıldırım , Tufan Salan , Şükrü Karataş Serhan Uruş , İbrahim Karteri , Kübra Yıldız

Abstract

ÖZET

Bu çalışmada modifiye Hummers yöntemi kullanılarak grafitten grafen oksit (GO) sentezlenmiştir. Literatürde bilinen diğer yöntemlere göre modifiye Hummers yöntemi; işlem basamakları açısından daha basit ve düşük maliyetlidir. Ayrıca Hummers yöntemine göre daha tehlikesiz ve daha çevre dostu bir yöntemdir. SEM görüntülerinde katmanlı ve çok ince GO yapıları gözlenmiştir. EDX/SEM Elementel analizde oksijen (O) oranının yaklaşık %23,60 olması oksidasyon işleminin gerçekleştiğini göstermektedir. GO yapısının termal kararlılığı TGA analizinden anlaşılmaktadır. XRD analizinde 2θ piki, 10,5524° de elde edilmiştir. Ayrıca, FT-IR spektroskopisi ve Raman spektroskopisinde ise GO’e ait karakteristik pikler görülmüştür. Elde edilen sonuçlardan modifiye Hummers yöntemi ile grafit tozundan başarılı bir şekilde GO sentezlendiği anlaşılmaktadır.

Keywords

Grafen, Grafen Oksit Sentezi; Modifiye Hummers Yöntemi.

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