Graphene sheets synthesized by ionic-liquid-assisted electrolysis for application in water purification

A facile and green synthesis of graphene sheets by ionic-liquid-assisted electrolysis was investigated in this work. The synthesized graphene sheets have been studied using transmission electron microscopy (TEM), atomic force microscopy (AFM), X-ray powder diffraction (XRD), Raman spectroscopy (Raman) and Fourier transform infrared (FTIR) analysis. The obtained graphene was used for the adsorption of Fe 2+ whose presence in the drinking water in wide areas of South Asia has been widely known. The result shows that the graphene could absorb Fe 2+ with a capacity of 299.3 mg/g which is 6 times higher than that of graphite oxide. The adsorption properties of metal ions on graphene and the effects of various factors on the adsorption capacity were also investigated in detail. The research results suggest a novel material for developing highly efficient water purification materials for the developing economies

Title: 

Graphene sheets synthesized by ionic-liquid-assisted electrolysis for application in water purification
Authors: Chang, Chia-Feng
Truong, Duc Quang
Chen, Jiann-Ruey
Keywords: Graphene
Water purification
Heavy metal
Ionic liquids-assisted electrolysis
Issue Date: 2013
Publisher: ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Citation: ISIKNOWLEDGE
Abstract: A facile and green synthesis of graphene sheets by ionic-liquid-assisted electrolysis was investigated in this work. The synthesized graphene sheets have been studied using transmission electron microscopy (TEM), atomic force microscopy (AFM), X-ray powder diffraction (XRD), Raman spectroscopy (Raman) and Fourier transform infrared (FTIR) analysis. The obtained graphene was used for the adsorption of Fe 2+ whose presence in the drinking water in wide areas of South Asia has been widely known. The result shows that the graphene could absorb Fe 2+ with a capacity of 299.3 mg/g which is 6 times higher than that of graphite oxide. The adsorption properties of metal ions on graphene and the effects of various factors on the adsorption capacity were also investigated in detail. The research results suggest a novel material for developing highly efficient water purification materials for the developing economies
Description: APPLIED SURFACE SCIENCE Volume: 264 Pages: 329-334 Published: JAN 1 2013 ; TNS07382
URI: http://www.sciencedirect.com/science/article/pii/S0169433212017473
http://repository.vnu.edu.vn/handle/VNU_123/33049
ISSN: 0169-4332
Appears in Collections:Bài báo của ĐHQGHN trong Web of Science

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