Reduction of graphene oxide in ethanol solution by gamma irradiation for preparing reduced graphene oxide material with water desalination

Pham Thi Thu Hong1, Nguyen Thanh Duoc1, Nguyen Thi Ly1, Chu Nhut Khanh1, Cao Van Chung1, Doan Binh1
1 Research and Development Center for Radiation Technology. 202A street 11, Linh Xuan ward,Thu Duc district, HCM. City, Vietnam

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Abstract

Reduction of graphene oxide (GO) for preparing the reduced graphene oxide (rGO) by γ–ray irradiation was investigated. GO was dispersed in the ethanol solution with the GO concentration of 1 mg/ml, then irradiated with γ–ray in presence of oxygen at dose range of 0 – 100 kGy for preparation of rGO product. The characteristic properties of GO and rGO were determined by UV-Vis spectroscopy, X–ray diffraction (XRD), Transmission Electron Microscopy (TEM), contact angle measurement and test of water desalination. The result showed that water desalination efficiency of rGO was about 46 – 48%.

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References

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